SOLUTION: y varies directly as x and inversely as the square of z. y=6 when x=8 and z=2. find y when x=75 and z=5

SOLUTION: y varies directly as x and inversely as the square of z. y=6 when x=8 and z=2. find y when x=75 and z=5

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Question 1067293: y varies directly as x and inversely as the square of z. y=6 when x=8 and z=2. find y when x=75 and z=5
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
let k = the constant
y varies directly as x and inversely as the square of z.
y =
:
"y=6 when x=8 and z=2." Find k
= 6
= 6
Cancel 4
2k = 6
k = 6/2
k = 3
The equation then
y =
:
" find y when x=75 and z=5"
y =
y = 225/25
y = 9
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