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Snowcat [4.5K]
3 years ago
14

PLEASE HELP ASAP!!! CORRECT ANSWERS PLEASE!!!

Mathematics
2 answers:
Afina-wow [57]3 years ago
6 0
See attached picture for the answers

aev [14]3 years ago
6 0
By the traingle sum theorem, the sum of the angles in a triangle is 180°. Therefore, using the given and triangle sum theorem, m(∡P) + m(∡Q) + m(∡R) = 180°.

(5x)° + (5x)° + (8x)° = 180°. Simplifying the equation gets 18x=180°. Finally, using the division property of equality, x=10°.
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A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
nalin [4]

Answer:

$519

Step-by-step explanation:

Given the amount of profit made expressed as y=-2x^2+105x-859

At maximum profit, dy/dx = 0

dy/dx = -4x + 105

0 = -4x + 105

4x = 105

x = 105/4

x = 26.25

Substitute into the original function

y=-2x^2+105x-859

y=-2(26.25)^2+105(26.25)-859

y = - 1,378.125+2,756.25-859

y = 519.125

Hence the maximum amount of profit the company can make is $519

8 0
3 years ago
The quantity q varies inversely with the square of m and directly with the product of r and x. When q is 2.5, mis 4 and the
saveliy_v [14]

Answer:

The constant of proportionality is 5.

Step-by-step explanation:

If the quantity q varies inversely with the square of m and directly with the product of r and x, then the variation equation is

q=k\frac{rx}{m^2}

When q=2.5, m= 4 and the

product of rx = 8.

We plug in this values to get;

2.5=k(\frac{8}{4^2})

2.5=k(\frac{8}{16})

2.5=\frac{1}{2}k

Multiply both sides by 2

k=2.5\times 2=5

The constant of proportionality is 5.

7 0
3 years ago
Read 2 more answers
Sam wants to get at least an 80% average in his class. He knows that his teacher plans to give five test this marking period. Hi
vesna_86 [32]
Same would need to get at least a 95% on the next test, if he would like to receive a total average of an 80%
4 0
3 years ago
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A carpenter bought a piece of wood that was 6.85 meters long. Then she sawed 0.57 meters off the end. How long is the piece of w
andrey2020 [161]

Answer:

6.28meters

it is the aswer if wrong please tell me

8 0
2 years ago
Help with this <br> Which equ. Can we use to find the length of side labeled x
bogdanovich [222]

Answer:

Answer D

Step-by-step explanation:

4 0
3 years ago
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