sardodestDedr sardodestDedr
  • 03-01-2017
  • Mathematics
contestada

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

Respuesta :

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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