yvonnecoleman1p7mn59 yvonnecoleman1p7mn59

24-04-2018
Mathematics

contestada

A quantity, y, varies directly as x. When y = 9, x = 4. Find y when x = 10

Respuesta :

sarahv8 sarahv8

19-05-2018

y = kx

9 = k4

k = (9/4)

y = (9/4)x

when x=10,

y = (9/4)10
y = 22.5

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