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schepotkina [342]
2 years ago
7

Can anyone help me out here? 30 POINTS for anyone that can give me the answer and explain how they got it...

Mathematics
2 answers:
Andrei [34K]2 years ago
8 0

Hello from MrBillDoesMath!

Answer:

x = 16, y = 20

Discussion:

Assuming the lines shown are parallel, corresponding angles are equal which gives:

6x + y =   x + 5y       =>           (subtract "y" from each side)

6x = x + 4y              =>            (subtract "x" from each side)

5x = 4y                   (A)


As there are 180 degrees in a line we also have

4x + (6x + y) = 180  =>

10x + y = 180           =>            (subtract 180 from each side)

y = 180 - 10x

y = 180 - 2 *(5x)      =>            (Using (A) above )

y = 180 - 2(4y)        =>            (Add 8y to each side)

y + 8y = 180            =>

9y       = 180            =>

y = 180/9 = 20

As 5x = 4y, 5x = 4(20), or 5x = 80, or x = 80/5 = 16


Thank you,

MrB

charle [14.2K]2 years ago
5 0

Answer:


Step-by-step explanation:

I'm just as confused

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If you're wondering what the open dots and closed dots mean:

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Step-by-step explanation:

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Read 2 more answers
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