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Dima020 [189]
3 years ago
5

The quantity y varies directly with the square of x and inversely with z. When x is 9 and z is 27, y is 6. What is the constant

of variation?
Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0
Yvaires directly as x means
y=kx

y varies inversly with z means
y=k/z

therfor
y=(kx^2)/z
k=constant of variation

6=(k9^2)/27
6=(k81)/27
6=3k
divide both sides by 3
2=k

the constant of variation is 2
KatRina [158]3 years ago
5 0

Answer:

2

Step-by-step explanation:

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Read 2 more answers
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