help?.....................................................................

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jrveqbcrefba2

Mathematics

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Explanation & Answer

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5x-100 and x-20 are supplementary so 6x-120=180, thus x=(120+180)/6=50°

Also 3y=x-20=50-20=30 finally y=30/3=10°

You can verifu that y+140 and x-20 are supplementary :

y+140+x-20=10+140+50-20=180° 

Hope it helps !!!

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zngurzntvpvra (180)
University of Maryland

Anonymous
Excellent resource! Really helped me get the gist of things.

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