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Crazy boy [7]
4 years ago
9

The system of equations below represents the measures of 2 angles created by the diagonal of a rectangle: x + y = 90 y =1/5 What

is the measure of the greater angle? ° What is the measure of the smaller angle? °
Mathematics
1 answer:
madreJ [45]4 years ago
4 0

Answer:

The larger of the two angles is x, which is 75. y is the smaller angle at 15.

Step-by-step explanation:

In order to find these, we can use our solved value for y in the second equation to plug into the first equation. This method is called substitution.

x + y = 90

x + (1/5x) = 90

1.2x = 90

x = 75

Now we can plug that value into either equation to find y

y = 1/5x

y = 1/5(75)

y = 15

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Roger is paid $50 to sell videos of a play to an audience after the play is preformed.
konstantin123 [22]

Answer:

Roger can earn $510 at most.

Step-by-step explanation:

We are given the function



Which gives the earnings of Roger when he sells v videos. Since the play’s audience consists of 230 people and each one buys no more than one video, v can take values from 0 to 230, i.e.  



That is the practical domain of E(v)

If Roger is in bad luck and nobody is willing to purchase a video, v=0

If Roger is in a perfectly lucky night and every person from the audience wants to purchase a video, then v=230. It's the practical upper limit since each person can only purchase 1 video

In the above-mentioned case, where v=230, then



Roger can earn $510 at most.

3 0
3 years ago
Use elimination to solve the system 4x + 7y = -14 and 8x + 5y = 8 for x. Please show work! Will give brainliest!!!
7nadin3 [17]

Answer:

x=3 and 1/2

Step-by-step explanation:

4x+7y=-14

8x+5y=8

2(4x+7y=-14)

8x+14y=-28

8x+5y=8

9y=-36

y=-4

8x+5(-4)=8

8x-20=8

8x=28

x=3 and 1/2

3 0
3 years ago
I need all of these ASAP please help will mark brainliest
Tcecarenko [31]

Answer:

idk

Step-by-step explanation:

idk

3 0
4 years ago
A triangular table top has a base that is twice as long as its height. If the area of the table surface is 324 square inches, wh
kenny6666 [7]

Answer:

Height is 18 inches.

Base is 36 inches.

Step-by-step explanation:

Let the base of the triangular table top be x inches.

The height will be \frac{1}{2}x inches.

The area of the triangular table top is 324 inches²

Area of a triangle = \frac{1}{2} × Base × Height

342 inches² = \frac{1}{2} × x × \frac{1}{2}x

\frac{x^2}{4} = 324

Finding the square root on both sides gives;

\frac{x}{2} = 18

Therefore x (the base) = 36 inches

And \frac{1}{2} (the height) = 18 inches.

6 0
3 years ago
What is the simple interest earned on $ 235 at 4.5 % for 2 years?
Igoryamba

Answer:

$21.15

Step-by-step explanation:

(235)(.045)(2)

3 0
2 years ago
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