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19-02-2020
Mathematics

contestada

Y varies directly as x. If y =4 when x=2 , find y when x =22

Respuesta :

19-02-2020

Answer:

using the equation y=kx

4=k*2

k=2 as you do 4/2

so itll be y=2x

therefore y=44 is y=22*2 equals 44

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