SOLUTION: Y varies directly as x and inversely as the square of z. y=10 when x=80 and z =4. Find y when x=44 and z=2

Question 609677: Y varies directly as x and inversely as the square of z. y=10 when x=80 and z =4. Find y when x=44 and z=2
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Y varies directly as x and inversely as the square of z. y=10 when x=80 and z =4. Find y when x=44 and z=2
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y = kx/z^2
Solve for "k" using y=10, x=80, and z = 4
10 = k*80/4^2
10 = 5k
k = 2
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Equation:
y = 2x/z^2
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Find y when x=44 and z=2
y = 2*44/2^2
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y = 22
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Cheers,
Stan H.
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