cindyy3 cindyy3

01-09-2017
Mathematics

contestada

If z varies directly as x and z=30 when x=8 fine z when x=4

Respuesta :

stevemosby0 stevemosby0

01-09-2017

So for this one all you have to do is use the formular

Z*k=x

30k=8

K=4/15

Then when x=4

4/15x=4

So x=15

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