sardodestDedr sardodestDedr

03-01-2017
Mathematics

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If y varies directly as x, and y=9 when x=7, find y when x=14.

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Aarontb Aarontb

03-01-2017

y=18.
x/y=x/y
7/9=14/y
y=14*9/7
y=18

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