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OpenStudy (anonymous):
The variables x and y vary directly. Write an equation that relates x and y, when x = 4 and y = 2.
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OpenStudy (anonymous):
Varies directly means y = kx where k is some constant. so if y = 2 and x = 4 then 2 = k(4) solve for k 1/2 = k Equation then is y = 1/2x
OpenStudy (anonymous):
thanks
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