Suppose y varies directly with x. Write an equation relating x and y. y = 30 when x = 6 a. y = 5x c. y = 36x b. y = 5x d. y = 36x
y varies directly with x. The equation is y = kx, when x = 6, y = 30 so k = y/x = 30/6 = 5, thus the equation is y = 5x
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Updated 3/20/2014 12:57:13 AM
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y varies directly with x. The equation is y = kx, when x = 6, y = 30 so k = y/x = 30/6 = 5, thus the equation is y = 5x
Confirmed by jeifunk [3/20/2014 12:59:35 AM]

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