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samymaria1344
24.10.2020 •
Mathematics
How do i solve these?
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Ответ:
y=23
x=28
Step-by-step explanation:
(5y-4) and 3y make supplementary angles, meaning the two angles add up to 180 degrees
3y and (2x+13) are corresponding angles, so they equal each other
first find y:
5y-4 + 3y = 180
8y -4 = 180
8y = 184
y=23
find x:
3y = 2x+13
substitute the y value:
3(23) = 2x+13
69 = 2x+13
56 = 2x
x=28
Ответ: