04-01-2018
Mathematics

contestada

Suppose y varies directly with x. Write a direct variation equation that relates x and y, y=25 when x=140 what is the value of x when y=36 a) 140 b)165 c)201.6 d)176

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Аноним Аноним

04-01-2018

So the formula for direct variation is y=kxplug In the given values and you'll get 25=k140, solve for k and you get 5/28
so the equation is y=(5/28)xand the answer would be C

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