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Asked by Monica

suppose y is directly proportional to x. if y=6 when x=4, find the constant of proportionality and write the formula for y as function of x. Use your formula to find x when y=8.
9 years ago

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Answered by Steve
y = kx
6 = 4k, so k = 3/2

y = 3/2 x
9 years ago
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suppose y is directly proportional to x. if y=6 when x=4, find the constant of proportionality and write the formula for y as function of x. Use your formula to find x when y=8.

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