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VladimirAG [237]
3 years ago
10

What is the measure of env (5x+57)degrees

Mathematics
1 answer:
SashulF [63]3 years ago
6 0

Answer:

D) 132°

Step-by-step explanation:

8x+12=5x+57    subtract 5x from both sides

3x+12=57           subtract 12 from both sides

3x= 45                divide by 3 from both sides

X=15

5(15)+57=132°

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3 years ago
Help!!! I need to find the x and y values
gayaneshka [121]

The solution is that x = 26 and y = 9.

In order to find these, we need to note that since the two angles involving x's make a straight line, then they must equal 180 degrees. So we can add them together and set them equal to solve for x.

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8x - 28 = 180 ----> add 28 to both sides

8x = 208 -----> divide by 8

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Now that we have the value of x, we can find the value of the 3x - 11 term. That along with the right angle and the 2y + 5 angle combine to make another straight line. So we can solve by setting that equal to 180 as well.

3x - 11 + 90 + 2y + 5 = 180 ------> Combine like terms

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3(26) + 2y + 84 = 180 -----> Multiply

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2y = 18 -----> Divide by 2

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3 years ago
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Simora [160]

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