help me please

Trina invests $ 16000 at a rate of 5% per year interest. Work out the value of her investment at the end of a year.

Answers

Answer 1

Answer:

16820.16 dollar.

Step-by-step explanation:

future =present value *(1+i)^n

n=1 year.

Help Me PleaseTrina Invests $ 16000 At A Rate Of 5% Per Year Interest. Work Out The Value Of Her Investment

Related Questions

Help QUICKKKKK please

Answers

Answer:

Step-by-step explanation:

Remark

The exposed perimeter of the triangle is just the two smaller legs of the right triangle (6 + 8) + 10 units at the bottom of the rectangle + two 1/2 circles.

The area of the figure is the area of the triangle at the top + the area of the two 1/2 circles + the rectangle in the middle.

Givens

Shortest Triangle Leg = 6Middle Triangle Leg = 8Diameter of the 2 half circlespi  = 3.14width of the rectangle in the middle = 8Length of the rectangle = 10d = 8r = d/2 = 8/2 = 4

Formula

A

Perimeter = 2 legs of the triangle + 2 half circles + bottom line

B

Area = (1/2) Leg1*leg2 + pi * r^2 + L * w

Solution

A Perimeter

Perimeter = 6 + 8 + 2*pi *r + 10

Perimeter = 24 + 2*3.14*4

Perimeter = 25.12

B Area

Area = 1/2 * 8 * 6 + 3.14*4^2 + 10* 8

Area = 24 + 50.24+ 80

Area = 150.24

Answer

P = 25.12

Area = 150.24

A parabola y= ax^2 + k
passes through the points (-1, -3) and (3, 13). Find the values of a and k

Answers

Answer:

use vertex form of parabola:

y=a%28x-h%29%5E2%2Bk....if vertex (0,7), we have

y=a%28x-0%29%5E2%2B7

y=ax%5E2%2B7......use point (3,2) to find a

2=a%2A3%5E2%2B7

2=9a%2B7

2-7=9a

-5=9a

a=-5%2F9

so, your equation is: y=-%285%2F9%29x%5E2%2B7

Step-by-step explanation:

how do you do elimination and substitution in math??? I am literally so confused AND I have my math final tomorrow!!!

Answers

The algebraic method for solving simultaneous linear equations is the substitution method

The elimination method is the process of eliminating one of the variables in the system of linear equations using the addition or subtraction methods

What is an equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

The algebraic method for solving simultaneous linear equations is the substitution method. The value of one variable from one equation is substituted in the second equation in this procedure, as the name implies.

The elimination method is the process of eliminating one of the variables in the system of linear equations using the addition or subtraction methods in conjunction with the multiplication or division of coefficients of the variables.

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Simplify
(6√2+2√3)(√10-4√7)

Answers

Answer:

[tex]\boxed{\tt = 1 2√5−24√(14)+2√(30)−8√(21)}[/tex]

Or

[tex]\boxed{ \tt \approx88.7}[/tex]

Step-by-step explanation:

Apply FOIL method to expand:

[tex] =\tt6√2(√(10)−4√7)+2√3(√(10)−4√7)[/tex]

[tex] \tt \:=6√2√(10)+6√2(−4√7)+2√3(√(10)−4√7)[/tex]

[tex] \tt \: = 6√2√(10)+6√2(−4√7)+2√3√10+2√3(−4√7)[/tex]

Simplify:

[tex] =\tt6√(20)+6√2(−4√7)+2√3√(10)+2√3(−4√7)[/tex]

[tex] \tt \: = 6 \sqrt{2 {}^{2} \times 5} +6√2(−4√7)+2√3√(10)+2√3(−4√7)[/tex]

[tex] \tt \: = 6(2√5)+6√2(−4√7)+2√3√(10)+2√3(−4√7)[/tex]

[tex] \tt = 12√5+6√2(−4√7)+2√3√(10)+2√3(−4√7)[/tex]

[tex] \tt = 12√5−24√(14)+2√3√(10)+2√3(−4√7)[/tex]

[tex] \tt \: = 12√5−24√14+2√(30)+2√3(−4√7)[/tex]

[tex] \tt \: = 12√5−24√(14)+2√(30)−8√(21)[/tex]

or

[tex] \tt \: \approx88.7[/tex]

[tex]\rule{230pt}{2pt}[/tex]

[tex]\left( 6 \sqrt 2 + 2 \sqrt 3 \right) \left( \sqrt{10} -4 \sqrt7 \right)\\\\=\left(6\sqrt 2 \right) \left(\sqrt{10} \right) - \left(6\sqrt 2\right)\left(4\sqrt 7 \right)+\left(2\sqrt 3 \right) \left(\sqrt{10} \right)-\left(2\sqrt 3 \right) \left(4 \sqrt 7 \right)\\\\=6\sqrt{2 \cdot 10} -24\sqrt{2 \cdot 7} + 2\sqrt{10 \cdot 3} - 8 \sqrt{3 \cdot 7}\\\\=6\sqrt{4 \cdot 5}-24\sqrt{14}+2\sqrt{30} - 8 \sqrt{21}\\\\=6\cdot 2\sqrt 5-24\sqrt{14}+2\sqrt{30} - 8 \sqrt{21}\\\\[/tex]

[tex]=12\sqrt{5} -24\sqrt{14}+2\sqrt{30} - 8 \sqrt{21}\\\\\approx -88.68[/tex]

I NEED HELP !!!
What multiples to make 63 and Adds to make 19?

Answers

Answer:

4.27985 and 14.72015

Step-by-step explanation:

4.27985 x 14.72015 = 63

4.27985 + 14.72015 = 19

Solve the following equation for x.

x2−47=17
List your answers separated by a comma, not using a ± sign and do not include x= in your answer.
Question 2 options:

3, 5

-9, 9

-8, 8

-30, 0

Answers

Answer:

-8, 8

Step-by-step explanation:

[tex] {x}^{2} - 47 = 17 \\ \\ {x}^{2} = 17 + 47 \\ \\ {x}^{2} = 64 \\ \\ x = \pm\sqrt{64} \\ \\ x = \pm \: 8 \\ \\ x = - 8, \: \: 8[/tex]

Find the value of x.
135⁰
(7x+2)
x = [?]°

Answers

(7x+2)=135
7x=133
X=19

If a ∝ b and a = 18 when b = 3, then find a when b = 5.

show how you got ur answer so I can see if it makes sense!

Answers

"a ∝ b" means "a is proportional to b", which in turn means there is some constant k such that

a = kb

We're given that a = 18 and b = 3, so that

18 = 3k   ⇒   k = 6

Then when b = 5, we would have

a = 6 × 5 = 30

Round your answer to the nearest hundredth.
A= ?

Answers

Answer:

ok , using Pythagoras theorem hyp²=opp²+adj² therefore /CB/ will be opp , Making A the angle

7²=opp²+5² which is 49=x²+25

x²=49-25=✓24

=4.9

using SOH CAH TOA

sin A = 4.9/7

=0.7 , A is then sin-¹ 0.7

=136

use cosine since you are given the adjacent side and the hypotenuse

Cos θ = [tex]\frac{adj}{hyp}[/tex]

Cos θ = [tex]\frac{5}{7}[/tex]

use the inverse of cosine to find the angle

θ = [tex]cos^{-1}(\frac{5}{7})[/tex]

θ = 44.4153086...

θ = 44.42°

At Hogwarts School of Witchcraft and Wizardry, Professor Snape was concerned about grade inflation, and suggested that the school should issue standardized grades (or 2-scores), in addition to the regular grades. How might this work? Harry was in four classes, each with 20 students. Harry's score, the class mean, and the class standard deviation are given below. Compute his standardized grade in each class. If we judged by standardized grades, where did he do best? Where did he do worst?​

Answers

Answers:

The z scores are approximately:

Care of Magical Creatures:  z = 0.333Defense Against the Dark Arts:  z = 0.583Transfiguration:  z = -0.263Potions: z = -0.533

From those scores, we can say:

Best grade = Defense Against the Dark ArtsWorst grade = Potions

=====================================================

Further Explanation:

We'll need to convert each given score to a corresponding standardized z score.

The formula to use is

z = (x - mu)/sigma

where,

x = given grade for each class mu = meansigma = standard deviation

Let's find the z score for the Care of Magical Creatures class

z = (x - mu)/sigma

z = (3.80 - 3.75)/(0.15)

z = 0.333 approximately

Repeat this process for the Defense Against the Dark Arts score.

z = (x - mu)/sigma

z = (3.60 - 3.25)/(0.60)

z = 0.583 approximately

And for the Transfiguration class as well

z = (x - mu)/sigma

z = (3.10 - 3.20)/(0.38)

z = -0.263 approximately

The negative z score means his grade below the average, whereas earlier the other scores were above the average since he got positive z scores.

Now do the final class (Potions) to get this z score

z = (x - mu)/sigma

z = (2.50 - 2.90)/(0.75)

z = -0.533 approximately

This grade is below average as well.

----------------------------

To summarize, we have these z scores

Care of Magical Creatures:  z = 0.333Defense Against the Dark Arts:  z = 0.583Transfiguration:  z = -0.263Potions: z = -0.533

Harry did his best in Defense Against the Dark Arts because the z score of 0.583 (approximate) is the largest of the four z scores. On the other hand, his worst grade is in Potions because -0.533 is the lowest z score.

Nhich net force is larger? 1M/S,20 KG or 10 M/S, 1 KG

Answers

Answer:

39

Step-by-step explanation:

not right just need points

WILL MARK BRAINLIEST!!
The times taken to assemble a clock at a factory are approximately normally distributed with a given mean l = 3 hr and standard deviation o = 0.5 hr. What percentage of the times are between 2 hr and 4 hr?
PLEASE SHOW WORK! :)

•95%​

Answers

Answer:

95%

Step-by-step explanation:

13. The University of Oregon's football team has many different
uniforms. The coach can choose from four colors of jerseys and
pants: green, yellow, white, and black. There are three helmet
options: green, white, and yellow. Also, there are the same four
colors of socks and two colors of shoes, black and yellow.
a. How many jersey/pant combinations are there?
b. If the coach picks a jersey/pant combination at random, what is
the probability he will pick a yellow jersey with green pants?
c. Use a tree diagram to find all of the possible shoe and sock
combinations.

Answers

The dataset of the University of Oregon's football team is an illustration of combination and probability

The number of jersey/pant combination

The given parameters are:

Jersey = 4

Pants = 4

So, the number of jersey/pant combination is:

Combination = 4 * 4

Combination = 16

Hence, there are 16 combinations of jersey/pant

The probability of picking a yellow jersey and green pant

There is only one combination of yellow jersey and green pant from the total of 16 combinations.

So, the probability is:

P = 1/16

Hence, the probability of picking a yellow jersey and green pant is 1/16

The tree diagram

See attachment

From the attachment, we have a total of 8 possible combination of shoe and sock

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Percent of Change
Percent of increase from 43 to 78, (Round to the nearest tenth of the
percent)

Answers

Before we continue, note that "percent increase from 43 to 78" is the same as "the percentage increase from 43 to 78". Furthermore, we will refer to 43 as the initial value and 78 as the final value.

So what exactly are we calculating? The initial value is 43, and then a percent is used to increase the initial value to the final value of 78. We want to calculate what that percent is!

Here are step-by-step instructions showing you how to calculate the percent increase from 43 to 78.

First, we calculate the amount of increase from 43 to 78 by subtracting the initial value from the final value, like this:

78 - 43

= 35

To calculate the percent of any number, you multiply the value (n) by the percent (p) and then divide the product by 100 to get the answer, like this:

(n × p) / 100 = Answer

In our case, we know that the initial value (n) is 43 and that the answer (amount of increase) is 35 to get the final value of 78. Therefore, we fill in what we know in the equation above to get the following equation:

(43 × p) / 100 = 35

Next, we solve the equation above for percent (p) by first multiplying each side by 100 and then dividing both sides by 43 to get percent (p):

(43 × p) / 100 = 35

((43 × p) / 100) × 100 = 35 × 100

43p = 3500

43p / 43 = 3500 / 43

p = 81.3953488372093

Percent Increase ≈ 81.3953

That's all there is to it! The percentage increase from 43 to 78 is 81.3953%. In other words, if you take 81.3953% of 43 and add it to 43, then the sum will be 78.

The step-by-step instructions above were made so we could clearly explain exactly what a percent increase from 43 to 78 means. For future reference, you can use the following percent increase formula to calculate percent increases:

((f - n)/n) × 100 = p

f = Final Value

n = Initial Value

p = Percent Increase

Once again, here is the math and the answer to calculate the percent increase from 43 to 78 using the percent increase formula above:

((f - n)/n) × 100

= ((78 - 43)/43) × 100

= (35/43) × 100

= 0.813953488372093 × 100

≈ 81.3953

Mary needs a board 4 feet and 8 inches long she cut a board 56 inches long is the board mary cut the right length? give a clear and appropriate answer, and tysm for whoever will help me

Answers

Answer:

4 ft 8 inches = 56 inches

Step-by-step explanation:

We know that there are 12 inches in a foot so first convert 4 ft to inches

4 ft = 4*12 = 48 inches

Add the 8 inches left over

48 inches + 8 inches

56 inches

4 ft 8 inches = 56 inches

please help me im failing math

Answers

Answer:

C

Step-by-step explanation:

-Since dot or where the line originates is at 4 we know the answer will have the number 4.

-The dot is hollow, meaning it does not include the number it is on. So it cannot be "blank and equal to."

-Since the arrow points towards the right, we know it wants all values greater than 4, so we do: x>4.

-Back to my second point, we know it is not D because the dot is open and it does not include 4, so it cannot be equal to it.

see attachment below

Answers

Answer:

144

Step-by-step explanation:

I think.

Divide: 91,035 ÷ 51 Enter the answer in the box.​

Answers

1,758 is the answer

For fundraiser a student is selling pizza for $5 and subs for $3. the students sold 11 more subs than pizza. he sold a total of $233. many many pizza and subs did he sells

Answers

Answer:

25 pizzas and 36 subs

Step-by-step explanation:

5x+3x=233 --> but there are 11 more subs that pizza, so 11x3 is 33

(5x+3x) +33 = 233

5x+3x= 200

8x=200

x=25

so then 5 dollars by 25 pizzas, and 36 (25+11) subs at 3 dollars = 233$

McGrawHill

Tye has a square piece of yellow felt that has an area of 81 square inches. She wants to cut the largest circle possible from the material to
create a sun for her art project. What is the area of the felt circle? Use 3.14 for 1. Round to the nearest hundredth if necessary.

Answers

Answer:

Just Try to watch math antics

Step-by-step explanation:

Thank u

Which represents the solution(s) of the graphed system of equations, y = x2 x – 2 and y = 2x – 2? (–2, 0) and (0, 1) (0, –2) and (1, 0) (–2, 0) and (1, 0) (0, –2) and (0, 1)

Answers

The solution to the system of equation are (0, -2) and (1, 0)

Solution to system of equations

System of equations are equations that has unknown and more than 1 equations.

Given the system of equations

y = x^2 + x – 2

y = 2x – 2

Equate both expressions

x^2 + x -2 = 2x - 2
x^2 - x = 0
x(x-1) = 0
x = 0 and x - 1 = 0
x = 0 and 1

If x = 0

y = 0 - 2 = -2

If x = 1

y = 2 - 2 = 0
Hence the solution to the system of equation are (0, -2) and (1, 0)

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Find m/EGD. (measurement in degrees)

Answers

Answer:

[tex]\huge\boxed{\bf\:30^{\circ}}[/tex]

Step-by-step explanation:

We need to find m ∠EGD.

From the given figure, we can see that, ∠BGA & ∠EGD are vertically opposite angles (opposite angles that share the same vertex ⟶ G).

Also, vertically opposite angles are equal to each other.

Given,  ∠BGA = 30°

So,  ∠EGD =  ∠BGA = 30°.

[tex]\rule{150pt}{2pt}[/tex]

[tex]\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}[/tex]

from the given figure , we can easily see that ∠AGB = ∠EGD

this is because these angles are vertically opposite , i.e. , the angles that share the same vertex ! also , it's known that two angles that are vertically opposite are equal to each other !

[tex]\therefore \: \bold{\angle \: EGD= 30\degree}[/tex]

hope helpful ~

A parabola opening up or down has vertex (0,-4) and passes through (-12,14). Write its equation in vertex form

Answers

The value of a will be 0.125. Then the value of a is positive then the parabola will be upward.

What is the parabola?

It's the locus of a moving point that keeps the same distance between a stationary point and a specified line. The focus is a non-movable point, while the directrix is a non-movable line.

A parabola opening up or down has vertex (0,-4) and passes through (-12,14).

The equation of the parabola is given as

y = a(x - h)² + k

where (h, k) is the vertex of the parabola.

(h, k) = (0, -4)

Then the equation of the parabola will be

y = a(x)² - 4

The parabola is passing through (-12, 14). Then the value of a will be

   14 = a(-12)² - 4

   14 = 144a - 4

144a = 18

     a = 1/8

     a = 0.125

Then the equation of the parabola will be

y = 0.125x² - 4

If the value of a is positive then the parabola will be upward.

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Select ALL the sets that are the three side lengths of right triangles.

Answers

Answer: It would be C and D

Step-by-step explanation:

By the phythagorean theorem, the 2 legs would equal to the hypothesize.

Choice A would not form a triangle.

Choice B does not follow the pythagorean theorem. 84 plus 16 does not equal 100.

Choice C does. 8 + 121 = 129.

Choice D does. 1 + 3 = 4.

How are angles formed by intersecting lines related?​

Answers

Answer:

When two lines intersect they form two pairs of opposite angles, A + C and B + D. Another word for opposite angles are vertical angles. Vertical angles are always congruent, which means that they are equal. Adjacent angles are angles that come out of the same vertex.

Please Vote Me Brainliest. Thank You.

would be great if someone can help with this.

Answers

Answer:

144

Step-by-step explanation:

In a regular decagon like the one shown in the picture each angle is 144 degrees and it all adds up to 1,440. If you want proof search up "angle of a decagon"

From a barrel of colored marbles, you randomly select 6 blue, 4 yellow, 2 red, 3 green, and 5 purple marbles. Find the experimental probability of randomly selecting a marble that is not yellow. PLEASE ANSWER

Answers

The experimental probability is 4/5 if they randomly selected 6 blue, 4 yellow, 2 red, 3 green, and 5 purple marbles.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words the probability is the number that shows the happening of the event.

Total number of marbles = 6+4+2+3+5 = 20

Total number of marbles except yellow = 20 - 4 = 16

The experimental probability = 16/20

or

= 4/5

Thus, the experimental probability is 4/5 if they randomly selected 6 blue, 4 yellow, 2 red, 3 green, and 5 purple marbles.

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A rectangular garden has vertices at (4, 3), (6, 3), (6, 9), and (4, 9). Plot each vertex of the garden.

Answers

Answer:

Step-by-step explanation:

A rectangular garden has vertices at

(x = 4, y = 3), (x = 6, y = 3), (x = 6, y = 9), and (x = 4, y = 9).

To plot each vertex of the garden find on the graph the x and y coordinate of the point and mark the point.

y = x+3
y= -2+12

solve by substitution or elimination
NEED ASAP PLS

Answers

Substitution
x+3=-2+12
X+3=10
X=7

Answer:

Step-by-step explanation:

Need help in math ASAP

Answers

Answer:

B

Step-by-step explanation:

Find the volume of the wading pool

Use V = pi * r^2 * h

Givens

r = 6 feet

h = 1.5 feet

pi = 3.14

2 f^2 takes 2 minutes.

Solution

V = pr * r^2 + h

r = d/2

r = 6 / 2

r = 3 feet

Put the givens into the formula

V = 3.14 * 3 * 3  * 1.5

V = 42.39 cubic feet

Time

2 cubic feet takes 1 minutes

42.39 cubic feet takes x                  

2/42.39 = 1/x                      Cross multiply

2x =  42.39                         Divide by 2

2x/2 = 42.39/2

x = 21 rounded to the nearest whole number.

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