darkrobin095 darkrobin095
  • 08-05-2021
  • Mathematics
contestada


If the value of "y" varies directly with "X"
and y = -8 when x = 20, find "y" if x = -4.

Respuesta :

rachael80 rachael80
  • 29-07-2022

Answer:

y=kx

-8=k20

-8/20=20k/20

k=-0.4

y=-4×-0.4

y=1.6

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