What is the value of n in the equation?

7n + 2 = 5 × 6

A.25
B.4
C.6
D.28

Answers

Answer 1

Answer:

B. 4

Step-by-step explanation:

7n+2 = 5×6

7n+2 = 30

7n = 30-2

7n = 28

7n ÷ 7 = 28 ÷ 7

n = 4

Answer 2
The answer is B, ( I think it’s B I’m not completely shure )

Related Questions

−6×(−1)=?minus, 6, times, left parenthesis, minus, 1, right parenthesis, equals, question mark

Answers

Answer:

6

Step-by-step explanation:

When you multiply two negative numbers, the result becomes posititve

An item on sale costs 80% of the original price. The original price was $73.

Answers

Answer:

$58.40

Step-by-step explanation:

Really simple stuff here once you know how percentages work.

10% of 73.00 is 7.30, which means that if we do:

7.30 * 2 that means we have 20%

So, 7.30 * 2 = 14.60

73.00 - 14.60 = $58.40

We can check this by doing

7.30 * 8 = $58.40

PLSS HELP ILL GIVE POINTS!!!!

The fee for a cleaning service is described in the table below.

Write an equation to represent the data in the table.

Answers

Answer:

y=16x+36

Step-by-step explanation:

cleaning services start at $36 for one hour and add $16 to total price per hour.

16(1)+36=52

16(2)+36=68

16(3)+36=84

16(4)+36=100

Write an Integer for the situation,
300 feet below sea level
A -300
B 600
C -600
D 300

Answers

It would be A -300 sense sea level would be zero and it’s 300 feet below sea level
Below means negative

Answer: A. -300

Step-by-step explanation: I hope this helps!

8 x 2/5 in simplest form

Answers

Answer:

3 1/5

Step-by-step explanation:

8/1 = 8

8/1 * 2/5 = 16/5

16/5 = 3 1/5

Answer:

32/10, or 3 1/5

Step-by-step explanation:

One way of doing this problem is to multiply the numerators 8 and 2 together and then divide the result by 5:

 8*2

-------- = 16/5

   5

In turn, 16/5 can be rewritten as 32/10, or 3 1/5

Given the diagram angles 1 and 5 are an example of what?

Answers

Answer:

corresponding angles

Step-by-step explanation:

b. Convert kilograms to grams.
18.2 kilograms = __*(
X
x-
X
grams

Answers

Answer:

18.2 kilograms =

18,200 grams

Identify the slope (m) y-intercept (b) of the table below. Then, construct the linear equation for the table below in the form f(x)=mx+bf(x)=mx+b

Answers

Answer:

m= -1

y intercept= 1

y= - x + 1

Step-by-step explanation:

What is your rate of change if you travel 350 miles in 6 hours

Answers

Answer:

58.33 miles per hour

Step-by-step explanation:

[tex]\frac{350Miles}{6Hours} =58.33mph[/tex]

I hope this help you

In a large resturanat an average of 2 out of every 5 customers ask for chilies with their meals. A random sample of 15 customers is selected. Find the probability that i. Exactly 7 customers ask for chilies with their meal ii. Less than 3 customers ask for chilies with their meals.

Answers

Answer: plz mark me as a brainliest

Step-by-step explanation:

plz mark me as a brainiiest

What is the equation of the line in slope intercept form? Help 30 points!​

Answers

Answer:

y = 2/3x - 7

Step-by-step explanation:

(3, -5) (-3, -9)

and y = -7 when x = 0  from graph

so c = -7

m = -9 - (-5)  / -3 - 3

= -4 / -6

= 2/3

line equation is y = mx + c

y = 2/3 x + (-7)

y = 2/3x - 7

[tex]\\ \sf\longmapsto m=\dfrac{-9+5}{-3-3}[/tex]

[tex]\\ \sf\longmapsto m=\dfrac{4}{6}[/tex]

[tex]\\ \sf\longmapsto m=2/3[/tex]

b=-7

Now

Equation of line

[tex]\\ \sf\longmapsto y=mx+b[/tex]

[tex]\\ \sf\longmapsto y=\dfrac{2}{3}x-7[/tex]

0.5x-1.3(3x-4.5)+2.2

Answers

Answer:

-3.4x+8.05

Step-by-step explanation:

HELP ASAP PLEASE! Who can please help me write a short reading summary for my english class? I will explain all details after. Thank you in advance :)

Answers

Answer:

me what is there to write about

Step-by-step explanation:

HELP IMMA NEED YALLS HELP

Answers

Answer:

Discount: $2.10

Final Cost: $11.90

Step-by-step explanation:

14 times 15% is 2.10.

So, you would take that $2.10 and subtract it from $14.00 to get your answer of $11.90

An arts academy requires there to be 5 teachers for every 95 students and 6 tutors for every 48 students. How many students does the academy have per​ teacher? Per​ tutor? How many tutors does the academy need if it has ​78 students?

(no link)

Answers

Answer:

10 tutors

Step-by-step explanation:

48/6 = 8 student/tutor

78/8 = 9.75 tutors

10 tutors

3. Which expression is equivalent to
5x – 30?

Answers

Answer:

5x-30=5(x-6)

Step-by-step explanation:

How does the equation of a quadratic function in vertex form highlight key features of the function’s graph?

Answers

9514 1404 393

Explanation:

Vertex form of a quadratic can be written as ...

  a(x -h)² +k = 0 . . . . . . vertex (h, k); scale factor 'a'

First of all, it highlights the vertex (x, y) = (h, k), which is the extreme maximum or minimum of the function. That also tells you the axis of symmetry, (x = h).

Vertex form also shows you the vertical scale factor. The sign of that tells you whether the graph opens upward (positive) or downward (negative). The numerical value of it tells you the vertical distance from the vertex to points ±1 unit either side of the vertex.

The roots of the quadratic will be ...

  x = h ±√(-k/a)

These will be complex if the graph does not intersect the x-axis.

Answer:

From the vertex form  ()=(−)+ , you can find the vertex  (,)  and see whether the parabola opens upward (if  > ) or downward (if  < ). From a graph, you can read the coordinates of the vertex and substitute into the vertex form. With the coordinates of one other point, you can solve the equation to find a and write the equation of the quadratic function in vertex form.

Which of the following is the correct equation for this function?
A. v=2x² + x - 2
B. v= 2x^2 - 4x
C. 1= (x+1)(x-2)
D. V+1=2(x - 3)^2

Answers

Answer:

  B. y = 2x^2 - 4x

Step-by-step explanation:

The point (0, 0) lies on the graph, so the equation has no constant term (the constant is zero). Only one answer choice has this characteristic:

  y = 2x^2 -4x

Find the equation of the line with slope = 6 and passing through (-9,-58). Write your equation in the form y = mx+ b

Answers

Answer:

y=6x-4

Step-by-step explanation:

What we know

the slope is 6our point is (-9,-58)

-9 is x and -58 is y so we have to find the y-intercept y=mx+b is also the formula for this

-58=6(-9)+b

-58=-54+b

-58=54+b        - we changed -54 to a positive 54

54-58=-4

y=6x-4

4.
Which of the following describes the parabola with the equation y = −x2 − 3x + 6?

A. The axis of symmetry is x = −1.5 and the vertex is (−1.5, 8.25).

B. The axis of symmetry is x = 1.5 and the vertex is (1.5, 12.75).

C. The axis of symmetry is x = −1 and the vertex is (−1, −3).

D. The axis of symmetry is x = 0 and the vertex is (0, 6).

Answers

Answer:

B.    The axis of symmetry is x = 1.5 and the vertex is (1.5, 12.75).

Step-by-step explanation:

I will solve the problem by applying the perfect square trinomial. In this way we obtain the canonical form. Another way would be to derive the function, but I don't know if you're familiar with it.

First: let us take out the common factor: , since we remember that the canonical form is characterized as follows:

Then, it remains:

Then: the coefficient of the variable  We divided it between , And we square it (they will be one positive and one negative). In our case:

Let's accommodate terms to make it easier:

Can be written as :

Now, what is underlined is our perfect square trinomial, let us recall its form:

Applying the same principle we are left:

Applying distributive property we get:

Therefore it will have its vertex in:  

The axis of symmetry is a straight line that makes the function to be projected being , for this you need some reference point, for the parabola you need the coordinate in  of the vertex.

For which the axis of symmetry is .

-1.5

...............................................................................................................................................

Answer:

b

Step-by-step explanation:

An isolates right triangle has a hypotenuse of 6. Find the
length of the leg. Round to the nearest tenth.

Answers

Check the picture below.

Hypotenuse of the ∆ = 6Given that it is an isosceles right triangle.So, its opposite sides will be equal.Therefore, the height of the ∆ = the length of the leg of the ∆Let the length of the leg be x.In the right triangle,

[tex] {x}^{2} + {x}^{2} = {6}^{2} \: \: \: (by \: \: pythagoras \: \: \: theorem) \\ = > {2x}^{2} = 36 \\ = > {x}^{2} = \frac{36}{2} \\ = > {x}^{2} = 18 \\ = > x = \sqrt{18} \\ = > x = \sqrt{2 \times 3 \times 3} \\ = > x = 3 \sqrt{2 } \\ = > x = 4 .2[/tex]

Answer:

Answer:The length of the leg is 4.2 units.

Hope you could get an idea from it.

Doubt clarification - use comment section.

Can someone please scallion or show me what I could do to get this answer?

Answers

Answer:

six hundred and five thousand

Step-by-step explanation:

A study of bone density on 5 random women at a hospital produced the following results. Age 45 49 53 57 73 Bone Density 355 340 325 320 315 Step 1 of 3 : Calculate the correlation coefficient, r. Round your answer to six decimal places.

Answers

Correlation is the measure of the degree to which any two variables vary together.

If one variable tends to increase as the other variable decreases , the correlation is said to negative or inverse.

From the correlation we assess the strength of the relationship of two variables.

A  numerical measure of strength in the linear relationship between the two variables is called co efficient of simple correlation.

The  co efficient of simple correlation r is a pure number and assumes values from+1 to -1 .

r= -0.837295

The sign of r indicates the direction of the relationship or correlation.

It can be determined by finding the COV (X,Y)/ √Var (X) Var(Y)

In the given question it is calculated by using the excel sheet.

The correlation tab is found in the statistical column of the formula tab.

After entering the data in the excel the correlation tab is clicked and the rows cells are entered and the answer is obtained.

Another way is use the data analysis tab and click the correlation tab.

For both ways the following result is obtained .

r= -0.83729481

rounded to 6 places gives

r= -0.837295

https://brainly.com/question/18054482

https://brainly.com/question/24169114

What is the probability that a random sample of 100 accounting graduates will provide an average(X¯) that is within $902 of the population mean (µ)?

Answers

Using the normal distribution and the central limit theorem, it is found that there is a 0.6328 = 63.28% probability that a random sample of 100 accounting graduates will provide an average that is within $902 of the population mean.

In a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

It measures how many standard deviations the measure is from the mean.  After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation given by [tex]s = \frac{\sigma}{\sqrt{n}}[/tex]

Hence, the probability of sample having mean within M of the population mean is the p-value of [tex]Z = \frac{M}{\frac{\sigma}{\sqrt{n}}}[/tex] subtracted by the p-value of [tex]Z = -\frac{M}{\frac{\sigma}{\sqrt{n}}}[/tex].

In this problem, we suppose [tex]\sigma = 10000[/tex], and thus, with a sample of 100, we have that [tex]s = \frac{10000}{\sqrt{100}} = 1000[/tex].

Within $902, hence [tex]M = 902[/tex].

[tex]Z = \frac{M}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]Z = \frac{902}{1000}[/tex]

[tex]Z = 0.902[/tex]

[tex]Z = 0.902[/tex] has a p-value of 0.8164.

[tex]Z = \frac{M}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]Z = -\frac{902}{1000}[/tex]

[tex]Z = -0.902[/tex]

[tex]Z = -0.902[/tex] has a p-value of 0.1836.

0.8164 - 0.1836 = 0.6328.

0.6328 = 63.28% probability that a random sample of 100 accounting graduates will provide an average that is within $902 of the population mean.

A similar problem is given at https://brainly.com/question/24663213

RS = 2x + 10
ST = x - 4
RT = 21

Answers

Answer:

x = 5

Step-by-step explanation:

RS  +ST =  RT

2x + 10 + x - 4 = 21

2x + x + 10 - 4 = 21   {Combine like terms}

3x + 6 = 21

Subtract 6 from both sides

3x = 21 - 6

3x = 15

Divide both sides by 3

x = 15/3

x = 5

Which statement about the two triangles is this correct

Answers

Answer:

option 1 is correct .. triangle ABC is congruent to DEF..

Which list of ordered pairs represents a function?
A.(0,4), (1, 2), (1,3), (2, 4)
B.(0,4), (0, 2), (1,3), (2, 4)
C.(1,4), (2, 2), (4,3), (3, 4)
D.(2, 2), (0, 2), (1,3), (2, 4)

Answers

bearing in mind that a function never has X-repeats, or namely the 1st value of each coordinate is never repeated, let's check these ones, who has an X-repeat and doesn't, Check the picture below.

Order the angles from least to greatest?

Answers

Answer:

Angle N, Angle R, Angle Q

Step-by-step explanation:

When a number is divided by 8, the remainder is 6 and the same number is divided by 7 the remainder is 5 what is the number

Answers

Answer:

gọi x là số cần tìm, y là số sau khi chia. Ta có

y.8+6=x

y.7+5=x          

=>x= -2 , y= -1

Step-by-step explanation:

A bank teller has 54 dollar bills totaling $780 in her cash drawer. Her drawer has 5 and 20 dollar bills. How many 5 dollar bills are there?

Answers

Answer:

156 5 dollar bills

Step-by-step explanation:

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