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Zepler [3.9K]
3 years ago
12

1 If y = 7 when x= 3, find y when x=5, given that y varies directly with x.

Mathematics
1 answer:
andriy [413]3 years ago
6 0

Answer:

y1/x1 = y2/x2 ⇒

y2 = (x2/x1) y1

Plug in

x1 = 3

y1 = 7

x2 = 7

and get y2.

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Answer:

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