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kraigstlistt
10.05.2021 •
Mathematics
What is -30 divided by(-12divided by(-2))+(-20)^2divided by (-2)
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Ответ:
You also know AD is 20 yards, since it tells you that is the crosswalk length at A.
So the proportion is :
50 / 120 = 20 / BC
Or
if you flip it over,
120 / 50 = BC / 20
Then you can solve for BC.
120 / 50 = BC / 20
(20)(120/50) = BC
BC = 48