Question

x and y^2 vary directly. If x=4 when y=5, find x when y=2

Answer 1

Answer:

Step-by-step explanation:

x=4 when y=5

x=ky²

4=k(5)²

4/25=k

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x=ky²

x=k(2)²

x=4/25*(4)

x=16/25

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