marvingomez619 marvingomez619

23-04-2021
Mathematics

contestada

The variable x varies directly as y and x varies inversely as z. What is the value is y when x=20 and z=-2, if y=30 when z=3 and x=5?

Respuesta :

yinaanna0 yinaanna0

24-04-2021

Answer:

Y=-80

Step-by-step explanation:

X=Ky/z

5=30k/3

30k=15

K=1/2

20=Ky/(-2)

Ky =-40

1/2y=-40

Y=-80

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