Who is correct and why?
Selena is incorrect because she should have substituted the values for the variables first, and then simplifed.
Selena is correct because she simplified correctly and then evaluated correctly after substituting the values for the variables.
Drake is incorrect because he should have simplified first, before substituting the values for the variables.
Drake is correct because he substituted the values for the variables first, and simplified correctly.

Answers

Answer 1

Selena and Drake both are correct.

Selena: According to the statement, Selena is said to have not substituted the values for the variables first and then simplified.If she did not follow the correct order of operations, it's possible that she made an error.Drake: According to the statement, Drake is said to have substituted the values for the variables first and then simplified. This order seems to align with the correct order of operations, but without further details, it is not possible to determine if he made any mistakes during the process.

For such more questions on

https://brainly.com/question/11489318

#SPJ8


Related Questions

What set of transformations are applied to parallelogram ABCD to create A″B″C″D″?

Parallelogram formed by ordered pairs A at negative 4, 1, B at negative 3, 2, C at negative 1, 2, D at negative 2, 1. Second parallelogram transformed formed by ordered pairs A double prime at 1, negative 4, B double prime at 2, negative 3, C double prime at 2, negative 1, D double prime 1, negative 2.

Answers

The transformations applied to parallelogram ABCD to create A″B″C″D″ are translations

To determine the set of transformations applied to parallelogram ABCD to create A″B″C″D″, we can compare the coordinates of the corresponding vertices.

Let's analyze the transformation for each vertex:

1. A (−4, 1) to A″ (1, −4):

Horizontal translation of 5 units to the right.Vertical translation of 5 units downward.

2. B (−3, 2) to B″ (2, −3):

Horizontal translation of 5 units to the right.Vertical translation of 5 units downward.

3. C (−1, 2) to C″ (2, −1):

Horizontal translation of 3 units to the right.Vertical translation of 3 units downward.

4. D (−2, 1) to D″ (1, −2):

Horizontal translation of 3 units to the right.Vertical translation of 3 units downward.

In summary, the transformations applied to parallelogram ABCD to create A″B″C″D″ are translations. Each vertex is translated horizontally to the right by either 3 or 5 units, and vertically downward by the same amount.

The specific values and directions of these translations determine the new positions of the vertices in the transformed parallelogram.

For more such questions on parallelogram

https://brainly.com/question/970600

#SPJ8

A transformation of rectangle ABCD results in rectangle A’B’C’D
Which transformation maps the pre-image to the image

Answers

In a dilation, the size of the object can be changed while keeping its shape, which is the case in this scenario.

A transformation of rectangle ABCD results in rectangle A’B’C’D. We need to identify which transformation maps the pre-image to the image.Two-dimensional transformations can be classified into four main categories; translations, reflections, rotations, and dilations. We will evaluate each of these to determine which of them maps the pre-image to the image.

TranslationsA translation is a transformation that moves an object in a straight line without changing its shape or orientation. It involves moving an object by a fixed distance in a particular direction. The image is congruent to the pre-image. This transformation does not result in a rectangle ABCD being transformed to A’B’C’D.

It results in a rectangle that has the same size and shape as the pre-image being moved to a different location.ReflectionsA reflection is a transformation that flips an object across a line without changing its shape or orientation. A reflection through a line known as the x-axis, or the y-axis results in a mirror image of the object.

This transformation does not result in a rectangle ABCD being transformed to A’B’C’D.RotationsA rotation is a transformation that turns an object about a fixed point. The fixed point is known as the center of rotation. The angle through which the object is rotated is known as the angle of rotation. A rotation does not change the size or shape of an object, but it changes its orientation. This transformation does not result in a rectangle ABCD being transformed to A’B’C’D.

DilationsA dilation is a transformation that changes the size of an object. The size change is described by a scale factor. The scale factor is greater than 1 for an enlargement and between 0 and 1 for a reduction. The center of dilation is the point about which the object is enlarged or reduced. This transformation does not result in a rectangle ABCD being transformed to A’B’C’D.After evaluating each of the four types of transformations, we can conclude that the transformation that maps the pre-image rectangle ABCD to the image rectangle A’B’C’D is a dilation.

for more questions on dilation

https://brainly.com/question/30240987

#SPJ8

Please awnser asap I will brainlist

Answers

The number of each type of vehicle the company can buy is:

Commercial van = 100

Small truck = 50

Large truck = l60

How many of each type of vehicle can they buy?

Let

Commercial van = v

Small truck = s

Large truck = l

v = 2s

v + s + l = 310

35000v + 70,000s + 50,000l = 15,000,000

2s + s + l = 310

35000(2s) + 70,000s + 50,000l = 15,000,000

3s + l = 310

140,000s + 50,000l = 15,000,000

Divide by 10,000

3s + l = 310

14s + 5l = 1500

Multiply (1) by 5

15s + 5l = 1550

14s + 5l = 1500

subtract

s = 50

Recall,

v = 2s

v = 2(50)

v = 100

Therefore,

v + s + l = 310

100 + 50 + l = 310

150 + l = 310

l = 310 - 150

l = 160

Hence, the company can buy 100 commercial vehicle, 50 small truck and 160 large truck.

Read more on simultaneous equation:

https://brainly.com/question/16863577

#SPJ1

you have $20 to spend on taxi fare. The ride costs $5 plus $2.50 per kilometer.
write an inequality to determine the distance in kilometers, d, you can ride for $20

Answers

The distance that can be traveled with $20 is equal to or less than 6 km.

Given that the total amount available is $20. Hence, the amount spent on the ride will be equal to or less than $20.

Base fare= $5

Rate per km = $2.5

Expressing the above case in the form of inequality:

  Base fare + (Rate per km x Distance) ≤ Total amount available

  $5 + $2.5d ≤ $20

⇒$2.5d ≤ $15

⇒ d ≤ 6 km where d represents the distance traveled.

Hence the distance that can be traveled with $20 is equal to or less than 6 km.

Read more about inequality here:

https://brainly.com/question/25944814

If OQ and RT are parallel lines and mQPS = 136°

Answers

Angle QPS and angle RTS are congruent, both measuring 136°. Additionally, since OQ and RT are parallel, angle PSQ and angle RTS are alternate interior angles and are also congruent.

If OQ and RT are parallel lines and m QPS = 136°, we can use the property that when a transversal intersects two parallel lines, the corresponding angles are congruent.

Therefore, angle QPS and angle RTS are congruent, both measuring 136°. Additionally, since OQ and RT are parallel, angle PSQ and angle RTS are alternate interior angles and are also congruent.

Hence, angle PSQ measures 136° as well. In summary, angles QPS, PSQ, and RTS all have a measure of 136°.

This is because when two lines are parallel and intersected by a transversal, the corresponding angles and alternate interior angles are congruent.

For more such questions on congruent

https://brainly.com/question/29789999

#SPJ8

The complete question is given below:

If OQ and RT are parallel lines and m QPS = 136°

If Daniela graphed the function describing Mondays storm she would find that it is

Answers

Daniela's graph of the function describing Monday's storm depicted the storm's temporal evolution, showcasing the changing intensity of rainfall, intermittent spikes, shifting wind direction, and overall duration. Analyzing the graph allowed Daniela to gain insights into the storm's behavior and better understand its impact on the area.

Daniela graphed the function describing Monday's storm and observed several key features. The graph displayed a rapid increase in precipitation during the early morning hours, with rain intensifying steadily until reaching its peak around midday. Afterward, the precipitation gradually subsided, leading to a decline in rainfall amounts throughout the afternoon and evening.

The graph exhibited a distinct pattern of fluctuation, reflecting the storm's dynamic nature. Intermittent spikes in rainfall were visible, indicating periodic bursts of heavy precipitation throughout the day. These spikes were followed by brief periods of relative calm, during which the rainfall decreased temporarily before resuming its intensity.

Furthermore, Daniela noticed a gradual shift in wind direction as the storm progressed. Initially, the wind blew from the east, but it gradually veered towards the south as the storm system moved across the region. The change in wind direction was evident on the graph, showing a gradual rotation of the wind vector over time.

The graph also revealed the storm's duration, spanning from the early morning hours until late evening. The rainfall accumulation steadily increased during the storm's initial phase and reached a maximum before gradually tapering off towards the end of the day.

for more questions on Daniela's graph

https://brainly.com/question/28699268

#SPJ8

Use the drawing tools) to form the correct answer on the provided graph
The graph of the function g(x)=+3-4 is shifted 5 units to the left. Plot the zeros of the new function on the
Drawing Tools
Select
Point
Click on a tool to begin drawing
Reset
k
a
F
Unu

Answers

The zeros of the new function are x = -9 and x = -4

Ploting the zeros of the new function

from the question, we have the following parameters that can be used in our computation:

g(x) = x² + 3x - 4

The transformation rule is given as

Shifted 5 units to the left

So, we have

h(x) = (x + 5)² + 3(x + 5) - 4

Next, we plot the graph of h(x)

See attachment

From the graph, we have the zeros to be

x = -9 and x = -4

Read more about transformation at

https://brainly.com/question/31898583

#SPJ1

1. What is the standard deviation of the probability distribution below?

Answers

The standard deviation of the probability distribution is approximately 13703.91.

To calculate the standard deviation of a probability distribution, we need to follow these steps:

Calculate the expected value (mean) of the probability distribution. This is done by multiplying each value (x) by its corresponding probability (p(x)) and summing them up.

Expected value (mean) = (10 * 27) + (20 * 28) + (30 * 45) = 270 + 560 + 1350 = 2180.

Calculate the squared deviation for each value. This is done by subtracting the expected value from each value, squaring the result, and then multiplying by the corresponding probability.

Squared deviation for 10: (10 - 2180)^2 * 27 = 212080 * 27 = 5726160.

Squared deviation for 20: (20 - 2180)^2 * 28 = 1998800 * 28 = 55982400.

Squared deviation for 30: (30 - 2180)^2 * 45 = 2815200 * 45 = 126684000.

Calculate the variance of the probability distribution. This is done by summing up the squared deviations.

Variance = (5726160 + 55982400 + 126684000) = 187692560.

Calculate the standard deviation by taking the square root of the variance.

Standard deviation = sqrt(187692560) ≈ 13703.91.

As a result, the probability distribution's standard deviation is around 13703.91.

for such more question on standard deviation

https://brainly.com/question/475676

#SPJ8

From the top of a lighthouse 82 m tall, a guard sees two ships at sea.
The angle of depression to the closer ship is 53° and to the further ship is 39°.
How far are the ships apart from each other to the nearest metre?

Answers

The distance between the two ship based on the angle of depression is 42 meters.

The distance of each ship can be calculated thus:

TanX = opposite / Adjacent

The first ship:

Tan53 = distance/ 82

distance= 108.82 meters

The second ship:

Tan39 = distance/ 82

distance= 66.40 meters

The Difference between the ships are :

108.82 - 66.40 = 42.42 meters

Therefore, the distance between the two ships is 42 meters.

Learn more on angles of depression:https://brainly.com/question/17193804

#SPJ1

a) (10 pts) Re-express the given differential equation as a first order differential equation by utilizing matrix
and vector notation and in accordance with ()

= () form.
b) (10 pts) Is the system obtained in (a) stable, neutrally stable of unstable? Determine this using matrix.
c) (10 pts) Compute the eigenvalues and eigenvectors of matrix.
d) (10 pts) Using the results computed in (c) find and matrices and show that =

relationship
(i.e., the diagonalization relationship) is a valid relationship.

Answers

a) To re-express the given differential equation as a first-order differential equation using matrix and vector notation, we can rewrite it in the form:

[tex]x' = Ax[/tex]

where x is a vector and A is a square matrix.

b) To determine the stability of the system obtained in part (a), we need to analyze the eigenvalues of matrix A.

If all eigenvalues have negative real parts, the system is stable.

If at least one eigenvalue has a zero real part, the system is neutrally stable.

If at least one eigenvalue has a positive real part, the system is unstable.

c) To compute the eigenvalues and eigenvectors of matrix A, we solve the characteristic equation

[tex]det(A - \lambda I) = 0[/tex],

where λ is the eigenvalue and I is the identity matrix.

By solving this equation, we obtain the eigenvalues.

Substituting each eigenvalue into the equation

[tex](A - \lambda I)v = 0[/tex],

where v is the eigenvector, we can solve for the eigenvectors.

d) Once we have computed the eigenvalues and eigenvectors of matrix A, we can construct the diagonalization relationship as follows:

[tex]A = PDP^{(-1)}[/tex]

where P is a matrix whose columns are the eigenvectors of A, and D is a diagonal matrix whose diagonal elements are the eigenvalues of A.

To show that this relationship is valid, we can compute [tex]PDP^{(-1)}[/tex] and verify that it equals A.

For such more questions on differential equation

https://brainly.com/question/18760518

#SPJ8

PLEASE HELP V=1/3a^2h solve for A!!

Answers

The formula is `V = 1/3 a²h` and you need to solve for A. You can do this by rearranging the formula so that A is on one side of the equation and everything else is on the other side. Here are the steps you can follow to solve for A:

Step 1: Multiply both sides of the equation by 3 to get rid of the fraction: `3V = a²h`.

Step 2: Divide both sides of the equation by h: `3V/h = a²`.

Step 3: Take the square root of both sides of the equation to solve for a: `sqrt(3V/h) = a`.So the solution for `a` is `sqrt(3V/h)`. You can substitute the given value of `V` and `h` into the equation and simplify it if necessary.

For such more question on equation

https://brainly.com/question/29174899

#SPJ8

HELPPPP!!! Ill give 25 points!


Using your equation from step 2d, estimate the GPA of a student who studies for 15 hours a week. Justify your answer.


Y axis is GPA and X axis is hours studied

Answers

The GPA of a student who studies for 15 hours a week is 3.125 GPA.

What is a regression equation?

In Mathematics, the standard form of the equation of a regression line is represented or modeled by the following mathematical expression;

y = bx + c

Where:

b represent the gradient, slope, or rate of change.x and y represent the data points.c represents the y-intercept, vertical intercept, or initial value.

Since the student would study for 15 hours a week, the predicted GPA can be calculated as follows;

y = 0.149x + 0.89

y = 0.149(15) + 0.89

y = 3.125 GPA.

In conclusion, we can logically deduce that a student who studies for 15 hours a week would most likely have a 3.125 GPA.

Read more on regression here: https://brainly.com/question/12701789

#SPJ1

Complete Question:

Using your equation from step 2d, estimate the GPA of a student who studies for 15 hours a week. Justify your answer. The equation for the predicted GPA is y=0.149x+0.89

When copying segments and angles, which step is the same?
O Draw a ray with one endpoint.
O Create a point outside of the original figure.
O Draw a ray from the vertex to another point.
O Create a point on the original figure.

Answers

The step that is the same when copying segments and angles is to draw a ray from the vertex to another point (option c).

1. Start by identifying the segment or angle that you want to copy from the original figure.

2. Draw a ray with one endpoint. This ray will serve as the starting point for copying the segment or angle.

3. Next, create a point outside of the original figure. This point will be used as a reference for constructing the copied segment or angle.

4. Draw a ray from the vertex of the original segment or angle to the newly created point. This ray will determine the direction and length of the copied segment or angle.

5. Finally, create a point on the original figure that lies on the copied segment or angle. This point will help define the exact location of the copied segment or angle in relation to the original figure.

It is important to be precise and ensure that the rays and points are correctly positioned to maintain the integrity of the copied segment or angle.

Thus, the correct choice is c.

For more such questions on angles, click on:

https://brainly.com/question/1309590

#SPJ8

How to find derivative of x^5(1- (5/x+8))

Answers

Answer:

[tex]5x^4-\frac{25x^4}{x+8}+\frac{5x^5}{(x+8)^2}[/tex]

Step-by-step explanation:

[tex]f(x)=x^5\\f'(x)=5x^4\\g(x)=1-\frac{5}{x+8}\\g'(x)=\frac{5}{(x+8)^2}\\\\\frac{d}{dx}f(x)g(x)\\\\=f'(x)g(x)+f(x)g'(x)\\\\=5x^4(1-\frac{5}{x+8})+x^5(\frac{5}{(x+8)^2})\\\\=5x^4-\frac{25x^4}{x+8}+\frac{5x^5}{(x+8)^2}[/tex]

Six students write an exam. The average score obtained on the exam by the group of students is 71%. If the first two students each obtained a mark of 73%, while the next three students each obtained a mark of 68%, what was the mark obtained by the sixth student?

Answers

Let's calculate the total marks obtained by the six students.

The first two students obtained a mark of 73%, which gives us a total of 73 + 73 = 146 marks.

The next three students obtained a mark of 68% each, which gives us a total of 68 + 68 + 68 = 204 marks.

The average score obtained by the group is 71%. Since there are six students, the total marks obtained by all six students would be 6 * 71 = 426 marks.

To find the mark obtained by the sixth student, we can subtract the total marks obtained by the first five students from the total marks obtained by all six students: 426 - (146 + 204) = 76 marks.

Therefore, the mark obtained by the sixth student is 76%.


Jacob wants to write a novel, but he's worried it might be so long that nobody will read it. Of course, he also doesn't want to make it so short that nobody's willing to pay for it. To figure out a good
length, Jacob uses sales and page count data for published books to create a model:

S=-0.2² +100P+ 1615

Where S is the number of books sold in the first week after its release and P is the book's page count

What should Jacob use as the target for the length of his book in order to maximize his first-week sales?

Answers

The target length for Jacob's book to maximize his first-week sales would be a page count of 250.

To determine the target length of his book that would maximize his first-week sales, Jacob can use the given model: S = -0.2P² + 100P + 1615, where S represents the number of books sold in the first week and P represents the book's page count.

To find the maximum value of S, we can look for the vertex of the quadratic equation. The vertex of a quadratic equation in the form y = ax² + bx + c is given by the formula x = -b/2a. In this case, the coefficient of the quadratic term is -0.2, and the coefficient of the linear term is 100.

Using the formula x = -b/2a, we can calculate the value of P that corresponds to the maximum sales:

P = -100 / (2 * -0.2)

P = -100 / (-0.4)

P = 250

It's important to note that this model is based on a quadratic equation derived from sales and page count data of published books.

However, there are several other factors that can influence book sales, such as genre, marketing, author reputation, and reader preferences. Jacob should consider these factors along with the page count when determining the optimal length for his book.

For more such questions on maximize.

https://brainly.com/question/30236354

#SPJ8

0.834
0.861
0.927
0.877
0.831
0.925
0.912
0.83
0.849
0.933
0.884
find mean, median, maximum, minimum, and mode

Answers

Mean ≈ 0.874

Median ≈ 0.877

Maximum = 0.933

Minimum = 0.83

Mode = None

To find the mean, median, maximum, minimum, and mode of the given numbers:

Mean: The mean is the average of a set of numbers.

To calculate the mean, add up all the numbers and divide the sum by the total count.

Mean = (0.834 + 0.861 + 0.927 + 0.877 + 0.831 + 0.925 + 0.912 + 0.83 + 0.849 + 0.933 + 0.884) / 11

Mean ≈ 0.874

Median: The median is the middle value when the numbers are arranged in ascending or descending order.

Since there are 11 numbers, the median would be the 6th number when arranged in order.

Arranging the numbers in ascending order:

0.83, 0.831, 0.834, 0.849, 0.861, 0.877, 0.884, 0.912, 0.925, 0.927, 0.933

Median ≈ 0.877

Maximum: The maximum is the largest value among the given numbers.

Maximum = 0.933

Minimum: The minimum is the smallest value among the given numbers.

Minimum = 0.83

Mode: The mode is the value(s) that appear most frequently in the given numbers.

If there is no value that appears more than once, there is no mode.

For such more questions on Mean

https://brainly.com/question/21133077

#SPJ8

50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answers

Answer:

D. 100.5 in³

Step-by-step explanation:

We know that:

Volume of obligue cone = ⅓*area of base* height

Here

slant t=10in

height =6 in

Let's find the radius:

By using Pythagorous theorem,

slight height²=diameter²+height²

substituting value

10²=diameter²+6²

diameter²=10²-6²

diameter²=64

diameter=[tex]\sqrt{64}[/tex]=8 in

Therefore, Radius= diameter/2=8/2=4 in

Now

Area of Base= πr²=π*4²=50.265

Now

Volume = ⅓*area of base*height =⅓*50.265*6=100.53 in³

So,

Volume of obligue cone is 100.5 in³

Reuben made a shirt using 7/8yards of red fabric and 1/4yards of yellow fabric. How many more yards of red fabric did Reuben use?

Answers

Answer and Step-by-step explanation:

To find out how many more yards of red fabric Reuben used, we need to subtract the amount of yellow fabric from the amount of red fabric. Since the two fractions have different denominators, we need to find a common denominator before subtracting them. The least common multiple of 8 and 4 is 8, so we can rewrite both fractions with a denominator of 8:

7/8 - 1/4 = 7/8 - (1/4) * (2/2) = 7/8 - 2/8 = (7 - 2)/8 = 5/8

So, Reuben used 5/8 yards more red fabric than yellow fabric.

Which statement best describes the solution set to this inequality?
0<8+x<17
A.
B.
C.
D.
The solution set includes all values of x greater than -8 and less than 9.
The solution set includes all values of x less than 8 or more than 25.
The solution set includes all values of x less than -8 or more than 9.
The solution set includes all values of x greater than 8 and less than 25.
Reset
Next

Answers

The statement that best describes the solution set to the inequality 0 < 8 + x < 17 is:D. The solution set includes all values of x greater than 8 and less than 9.

Let's break down the inequality step by step to understand the solution set.

[tex]0 < 8 + x < 17[/tex]

First, subtract 8 from all parts of the inequality:

[tex]-8 < x < 9[/tex]

This inequality states that x is greater than -8 and less than 9. In other words, the solution set includes all values of x between -8 and 9, excluding the endpoints.

To illustrate this, consider a number line. Mark -8 and 9 as open circles, indicating that they are not included in the solution set. Then, shade the region between -8 and 9, representing all values of x that satisfy the inequality.

The shaded region on the number line will include all values greater than -8 and less than 9. Therefore, statement D accurately describes the solution set.

It's important to note that when working with inequalities, the inequality signs (>, <) are treated similarly to equations, except that they indicate a range of values instead of a single solution. In this case, the inequality specifies the range for x that satisfies the given conditions.

For more such questions on

https://brainly.com/question/30238989

#SPJ8

Identify the conclusion in the conditional statement below.
"If a shape is a quadrilateral, then it is has exactly four sides."
A."If"
B."a shape is quadrilateral"

Answers

The conclusion in the conditional statement "If a shape is a quadrilateral, then it has exactly four sides" is "it has exactly four sides." Option  C

How to determine the conclusion

From the information given, we have that the statement is;

"If a shape is a quadrilateral, then it is has exactly four sides."

The antecedent (if a shape is a quadrilateral) and the consequent (then it has exactly four sides) of the statement are in a conditional connection.

The precise assertion or claim based on this conditional relationship is the conclusion.

In this instance, the conclusion argues that a shape must logically have four sides in order to qualify as a quadrilateral.

Learn more about conditional statement at: https://brainly.com/question/11073037

#SPJ1

The complete question:

Identify the conclusion in the conditional statement below.

"If a shape is a quadrilateral, then it is has exactly four sides."

A."If it is a quadrilateral, it has four sides"

B."a shape is quadrilateral"

C. "It has exactly four sides"

(21 points) Differentiate:
(a) f(x) = (x5 — 5x³ + 2x)5
(b) g(x) = sin(4x^4 – 2x)
(c) h(x) = (3x² − 1)6 sec² x

Answers

The functions (a), (b), and (c) can be differentiated as follows:

(a) The derivative of f(x) = [tex](x^5 - 5x^3 + 2x)^5[/tex] is found using the chain rule and the power rule.

(b) The derivative of g(x) = [tex]sin(4x^4 - 2x)[/tex] involves applying the chain rule and the derivative of the sine function.

(c) The derivative of h(x) = [tex](3x^2 - 1)^6 sec^2(x)[/tex] requires applying the chain rule, the power rule, and the derivative of the secant squared function.

(a) To differentiate f(x) =[tex](x^5 - 5x^3 + 2x)^5[/tex], we apply the chain rule. Let's denote the inner function as [tex]u = x^5 - 5x^3 + 2x.[/tex] Then, f(x) can be rewritten as [tex]u^5[/tex].

The derivative of [tex]u^5[/tex] with respect to x is given by [tex]5u^4[/tex] * du/dx. To find du/dx, we differentiate u term by term: du/dx = [tex]d/dx(x^5) - d/dx(5x^3) + d/dx(2x)[/tex]. This results in du/dx = [tex]5x^4 - 15x^2 + 2[/tex]. Therefore, the derivative of f(x) is [tex]5(x^5 - 5x^3 + 2x)^4 * (5x^4 - 15x^2 + 2)[/tex].

(b) To differentiate g(x) = [tex]sin(4x^4 - 2x)[/tex], we apply the chain rule. The derivative of sin(u), where u =[tex]4x^4 - 2x[/tex], is given by cos(u) * du/dx. To find du/dx, we differentiate u term by term: du/dx = [tex]d/dx(4x^4) - d/dx(2x)[/tex]. This results in du/dx = [tex]16x^3[/tex] - 2.

Therefore, the derivative of g(x) is [tex]cos(4x^4 - 2x) * (16x^3 - 2)[/tex].

(c) To differentiate h(x) = [tex](3x^2 - 1)^6 sec^2(x)[/tex], we apply the chain rule and the power rule. Let's denote the inner function as u = [tex]3x^2 - 1[/tex]. Then, h(x) can be rewritten as [tex]u^6 * sec^2(x)[/tex].

The derivative of u^6 with respect to x is given by 6u^5 * du/dx. To find du/dx, we differentiate u term by term: du/dx = [tex]d/dx(3x^2) - d/dx(1)[/tex]. This results in du/dx = 6x. Therefore, the derivative of h(x) is[tex]6(3x^2 - 1)^5 * 6x * sec^2(x)[/tex].

For more such questions derivative,Click on

https://brainly.com/question/23819325

#SPJ8

simplify √([2m5z6]/[ xy])

Answers

The simplified form of √([2m5z6]/[xy]) is (√2m√5z√6) / (√x√y).

To simplify the expression √([2m5z6]/[xy]), we can break it down step by step:

Simplify the numerator:

√(2m5z6) = √(2) * √(m) * √(5) * √(z) * √(6)

= √2m√5z√6

Simplify the denominator:

√(xy) = √(x) * √(y)

Combine the numerator and denominator:

√([2m5z6]/[xy]) = (√2m√5z√6) / (√x√y)

Thus, the simplified form of √([2m5z6]/[xy]) is (√2m√5z√6) / (√x√y).

For such more questions on simplified form

https://brainly.com/question/28323654

#SPJ8

Which notation describes this transformation?
OA. (r,y)=(s - 8,y - 8)
OB. (r,y)=(r= 4,y - 8)
O C. (r,y)=(-4,-y)
O D. (r',y) = (1, -y)

Answers

Answer: A. (r,y)=(s - 8,y - 8)

Step-by-step explanation: The notation that describes this transformation is A. This notation represents a translation of 8 units to the left and 8 units down. The notation (r,y) represents the original coordinates, while (s-8, y-8) represents the new coordinates after the transformation.

What is the x-intercept y-intercept of 3x-2y=18

Answers

Answer:

x-intercept(s):  (6,0)

y-intercept(s):  (0,−9)

Step-by-step explanation:

To find the x-intercept, substitute in 0 for y and solve for x. To find the y-intercept, substitute in 0 for x and solve for y.

The enrollment at East Valley High School over a six-year period is displayed in the scatterplot.


Student Enrollment at East Valley High School
On a graph, the x-axis is labeled year and the y-axis is labeled students. Points (2009, 1,330) and (2013, 1,492) are plotted.



Which is the equation of the line of best-fit for this scatterplot?
y = negative StartFraction 81 Over 2 EndFraction x + StartFraction 165,389 Over 2 EndFraction
y = negative StartFraction 2 Over 81 EndFraction x + StartFraction 111,748 Over 81 EndFraction
y = StartFraction 2 Over 81 EndFraction x + StartFraction 103,712 Over 81 EndFraction
y = StartFraction 81 Over 2 EndFraction x minus StartFraction 160,069 Over 2 EndFraction

giving 100 points for answer asap

Answers

The equation of the line of best-fit for this scatterplot is

y = (81/2)x - (160,069/2)

The correct answer is D.

To find the equation of the line of best fit for the scatterplot, we need to calculate the slope and y-intercept based on the given data points (2009, 1,330) and (2013, 1,492).

First, we calculate the slope (m) using the formula:

[tex]m= \frac{(y2 - y1)}{(x2 - x1)}[/tex]

Using the points (2009, 1,330) and (2013, 1,492):

[tex]m=\frac{(1492 - 1330)}{(2013 - 2009)}[/tex]

[tex]m = \frac{162 }{4}[/tex]

[tex]m=\frac{81}{2}[/tex]

Next, we determine the y-intercept (b) by substituting one of the points and the calculated slope into the equation

[tex]y = mx + b[/tex].

Let's use the point (2009, 1330):

[tex]1330 = (\frac{81}{2} )\times2009 + b[/tex]

To find b, we can rearrange the equation:

[tex]b = 1330 - (\frac{81}{2} )\times2009[/tex]

[tex]b = 1330 - \frac{163,089}{2}[/tex]

[tex]b = 1330 - 81,544.5[/tex]

[tex]b = -80,214.5[/tex]

Therefore, the equation of the line of best fit is:

[tex]y =(\frac{81}{2} )\times x-80,214.5[/tex]

Simplifying the equation further:

[tex]y= (\frac{81}{2} ) x - 40,107.25[/tex]

The closest option to this equation is:

[tex]y=(\frac{81}{2} )x-(\frac{160,069}{2} )[/tex]

So, the correct answer is:

[tex]y = (\frac{81}{2} )x-(\frac{160,069}{2} )[/tex]

The correct answer is D.

For such more questions on scatterplot

https://brainly.com/question/6592115

#SPJ8

A fence with 2 gates in it surrounds a lion enclosure.

Each gate is 4 m wide.
an image

What is the length of the fence around the enclosure not including the gates?

Answers

The length of the fence around the enclosure not including the gates is:2l + 2w + 8 m

To find the length of the fence around the enclosure, we need to first find the perimeter of the rectangle and then subtract the combined length of the two gates from it.

Let's assume the length of the rectangle is 'l' and the width is 'w'.

From the given data, we know that each gate is 4 m wide.

Therefore, the width of the rectangle is:

Width = w + (4 m + 4 m) = w + 8 m

The perimeter of the rectangle is:

P = 2l + 2(w + 8 m) = 2l + 2w + 16 m

Now, we need to subtract the combined length of the two gates from the perimeter:

P - 2 × 4 m = 2l + 2w + 16 m - 8 m = 2l + 2w + 8 m

So, the length of the fence around the enclosure not including the gates is:2l + 2w + 8 m

For such more questions on length

https://brainly.com/question/28108430

#SPJ8

HELP AS SOON AS POSSIBLE

Answers

The resulting triangle after a reflection of triangle NMO over the line x = 2 would be N'(9, 2), M'(6, 1) and O'(7, 3)

What is an equation?

An equation is an expression that shows how numbers and variables are related to each other using mathematical operators.

Reflection is a type of transformation that involves the flipping of a point or figure over a line.

Triangle NMO with vertices at N(-5, 2), M(-2, 1) and O(-3, 3) is reflected over the line x = 2

The resulting triangle would be N'(9, 2), M'(6, 1) and O'(7, 3)

Find out more on equation at: https://brainly.com/question/29174899

#SPJ1

Why are the lines y = 5x − 1 and 10x + 2y = 0 perpendicular

Answers

Two lines
g: y = mx+b
h: y = nx+a
Are perpendicular if m = -1/n or if m*n =(-1).
Bothe the statements are equivalent, it might just be easier for you to work with the latter.

Now, in our definition both lines were given with respect to y. Here that is not the case, as the second line is not given with respect to y. So we do some reordering:
10x+2y=0
2y = -10x
y = -5x

Now, as you can see, for the first line m=5, for the second one n = -5, but m*n = 5*(-5)=-25 is not -1 so these lines are not perpendicular.

Is there maybe a typo somewhere in your message?

The function f(x) is shown on the graph.
What is f(0)?
0 only
-6 only
–2, –1, 1, and 3 only
–6, -2,-1, 1 and 3 only

Answers

The function f(x) has five intercepts at -6 only, -2, -1, 1, and 3 only.

The correct answer is D.

The function f(x) has some specific characteristics as shown in the graph.

The graph of f(x) has five intercepts, as can be seen from the graph.

The intercepts of f(x) can be determined by observing where the graph of f(x) crosses the x-axis.

The function f(x) intercepts the x-axis at five different points: -6 only, -2, -1, 1, and 3 only.

At these points, f(x) = 0.
Furthermore, the graph of f(x) is increasing from -∞ to -6, then decreasing from -6 to -2.

The graph of f(x) then increases from -2 to -1, decreases from -1 to 1, increases from 1 to 3, and finally decreases from 3 to +∞.

Hence, we can deduce that the graph of f(x) has a local maximum point at x = -6, a local minimum point at x = -2, and another local minimum point at x = 3.
We can also conclude that f(x) is an odd function, meaning that f(-x) = -f(x).

This can be deduced from the symmetry of the graph about the origin.

Finally, we can see from the graph that the function f(x) is continuous everywhere except at x = -2 and x = 3.

At these points, f(x) is not defined.
The function f(x) has five intercepts at -6 only, -2, -1, 1, and 3 only.

For such more questions on intercepts

https://brainly.com/question/24212383

#SPJ8

Other Questions
An economics professor decides to curve the grades of his class. In doing so, he decides to make it such that the students who score in the top 9% receive an A. Assume a normal distribution among grades. How many standard deviations above the mean must a student get to receive an A? (Round your answer to 2 decimal places, if needed.) Find a rectangular equation for the plane curve. Then, graph the plane curve defined by the parametric equations for t in {0,2]. x=3sinty=6cost The rectangulatequation for the plane curve is For the plane curve, (a) graph the curve, and (b) find a rectangular equation for the curve. x=t+1,y=t5, for t in ([infinity],[infinity]) (a) Choose the correct graph below. (b) The equivalent rectangular equation is for x over the interval (Simplify your answers.) If P(A)=0.4P(B)=0.2, and P(AB)=0.1, determine the following probabilities: (a) P(A) (b) P(AB) (c) P(AB) (d) P(AB) Let's roll two dice and find the probability of rolling a certain sum. Is this a simple or compound event?Two dice - Red and BlueRecall that a simple event has one and only one outcome of interest. In this example, we are rolling two dice, but we are only interested in one outcome, the sum of the two dice. This is a simple event. What is the probability of:Rolling a sum of 1?Rolling a sum of 3?Rolling a sum of 12?Rolling a sum of 7?Since we are rolling a pair of dice and looking for the sum, the sample space is a little more complicated than rolling one die. The chart below will help us determine the possible outcomes. The top row indicates the numbers on the sides of the blue die and the first column represents the number on the sides of the red die. The white area indicates the sum of the numbers in the row and column. # Rolled12345611+1=21+1=21+2=31+2=31+3=41+3=41+4=51+4=51+5=61+5=61+6=71+6=722+1=32+1=32+2=42+2=42+3=52+3=52+4=62+4=62+5=72+5=72+6=82+6=833+1=43+1=43+2=53+2=53+3=63+3=63+4=73+4=73+5=83+5=83+6=93+6=944+1=54+1=54+2=64+2=64+3=74+3=74+4=84+4=84+5=94+5=94+6=104+6=1055+1=65+1=65+2=75+2=75+3=85+3=85+4=95+4=95+5=105+5=105+6=115+6=1166+1=76+1=76+2=86+2=86+3=96+3=96+4=106+4=106+5=116+5=116+6=126+6=12How many outcomes are in the sample space? Answer Required information A ball is thrown upward, from the ground, with an initial velocity of 13 m/s. The approximate value g=10 m/s 2 Tossed Ball Velocity up is positive y 0 =+20 m/sa=10 m/s 3 down is negative NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. How high above the ground is the ball 2 seconds after it is thrown? The height of the ball from the ground is 3. Suppose you are an investor with a choice between three securities that are identical in every way except in terms of their rates of return and risk. Show your work. Investment A: Total return \( = Three vectors are given by a =2.00 i ^ +(0) j ^ +(1.00) k ^ , b =4.20 i ^ +(2.00) j ^ +(2.00) k ^ , and c =2.00 i ^ +(4.99) j ^ +(1.00) k ^ . Find (a) a ( b c ), (b) a ( b + c ), (c) x-component, (d) y component, and (e) z-component of a ( b + c ) respectively. (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e) Number Units B-How many ways can a committee of 4 women and 3 men be selected from 10 women and 8 men?C-A supervisor tries to reduce the maintenance cost of his workshop equipment by following a new professional guidance. If originally the average cost of the equipment is 36 SR/month with a population standard deviation of 4.5 SR/month. After applying the new professional guidance, a sample of 50 equipment has been selected and its mean cost was 40 SR/month. If the supervisor wants to test the hypothesis, how will he state the hypotheses:D-The students' council consists of 40 from YIC, 40 from YUC, and 10 student from YTI. If a group of 3 students will be selected to be heads of committees, find the probability that the group of the 3 students consists of all YIC studentsE-A council of 5 people is to be formed from 6 males and 8 females. Find the probability that the council will consist of 2 females and 3 malesF-How many ways can a football team of 6 players be selected from a group of 12 boys?G-A council of 3 people is to be formed from 7 males and 8 females. Find the probability that the council will consist of only femalesk-A supervisor tries to reduce the maintenance cost of his workshop equipment by following a new professional guidance. If originally the average cost of the equipment is 36 SR/month with a population standard deviation of 4.5 SR/month. After applying the new professional guidance, a sample of 50 equipment has been selected and its mean cost was 40 SR/month. If the supervisor wants to test the hypothesis at =0.05, find the critical value In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 8.48 m/s in 1.57 s. Assuming that the player accelerates uniformly, determine the distance he runs. Number Units Attempts: 0 of 5 used Using multiple attempts willimpact your score. 5% scorereduction after attempt 4 A point charge with charge q1=3.20C is held stationary at Part A the origin. A second point charge with charge q2=4.20C moves from the point (0.110 m,0) to the point How much work is done by the electrostatic force on the moving point charge? (0.245 m,0.285 m) Express your answer in Assignment:1. Find me an article from a major consulting firm on Comprehensive Marketing Plans, or Marketing Strategic Planning, or something like that.2. Give me a one paragraph synopsis. Include one quote from the article which is properly cited with an in-text citation.3. Above that synopsis in the paper give me a governing thought intro that explains the main "learning" from the article. Now add a business related recommendation to that governing thought.4. And below that give me an APA formatted Reference to the Consulting Insight article you found. A militia is the opposite of what kind of institution:A) A Volunteer FighterfighterB) An Ice cream truck driverC) Hitler's BrownshirtsD) A standing armyE) The minutemen cat runs along a straight line (the x-axis) from point B to point A to point C, as shown in the figure. The distance between points A and B is 8.00 m, the distance between points B and C is 26.0 m, and the positive direction of the x-axis points to the right. The time to run from B to A is 5.00 s, and the time from A to C is 15.0 s. As the cat runs along the x-axis from B to A and back to C. What is the average speed of the cat? A cat runs along a straight line (the x-axis) from point B to point A to point C, as shown in the figure. The distance between points A and B is 8.00 m, the distance between points B and C is 26.0 m, and the positive direction of the x-axis points to the right. The time to run from B to A is 5.00 s, and the time from A to C is 15.0 s. As the cat runs along the x-axis from B to A and back to C. What is the average velocity of the cat? Affine cipherHow to explain and elaborate encryption and decryption functionsfor Z26 with Affine cipher applied? 20. An electron in a hydrogen atom drops from a potential energy of 1.5eV to 3.4 eV. What is the frequency of the emitted photon? a. 8.5810 ^14Hz b. 1.5510 ^12Hz c. 1.6210^19Hz d 4.5810^14Hz A liquid of density 1250 kg/m^3 flows steadily through a pipe of varying diameter and height. At Location 1 along the pipe, the flow speed is 9.89 m/s and the pipe diameter d 1 is 12.7 cm. At Location 2, the pipe diameter d 2 is 15.7 cm: At . Location 1 , the pipe is y=8.31 m higher than it is at Location 2. Ignoring viscosity, calculate the difference P between the fluid pressure at Location 2 and the fluid pressure at Location 1. In equity theory: a. is as bad to overpay employees as to underpay them. b. underpayment can be justified to employees. c. it is better to overpay than underpay. d. few employees care about the issue of overpayment or underpayment. A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test the mass of the boxes, a few were checked. The mean mass was 9.3 kg, the standard deviation 0.23 kg. How many boxes must the processor sample to be 95% confident that the sample mean does not differ from the population mean by more than 0.09 kg? Let X 1,X 2 ,,X nbe i.i.d. non-negative random variables representing claim amounts from n insurance policies. Assume that X i (2,0.2) and the premium for each policy is G=1.2E[ i ]=12. Let S n= i=1n X i be the aggregate amount of claims with total premium nG=12n. (a) Derive an expression for a n,b n, and c n , where i. a n=P(S n12n); Computing the standard deviation for an individual investment) (Related to Checkpoint8.2on page 231) Calculate the standard deviation in the anticipated returns found in Problem 8-1. Pearson Copyright O 2018 Pearson Education, Lid. Alt Rights Reserved 3. (Computing the standard deviation for a portfolio of two risky investments) Mary Guilott recently graduated from Nichols State University and is anxious to begin investing her meager savings as a way of applying what she has learned in business school. Specifically, she is evaluating an investment in a portfolio comprised of two firms' common stock. She has collected the following information about the common stock of Firm A and Firm B: a. If Mary invests half her money in each of the two common stocks, what is the portfolio's expected rate of return and standard deviation in portfolio return? b. Answer part a where the correlation between the two common stock investments is equal to zero. c. Answer part a where the correlation between the two common stock investments is equal to+1. d. Answer part a where the correlation between the two common stock investments is equal to1. e. Using your responses to parts a-d. describe the relationship between correlation and the risk and return of the portfolio.