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@hoblos
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I don't know how to do this.
y varies directly as x and inversely as square of z means \[y=k \frac{ x }{ z^2 }\]
Ok so I have 56=k 28/4
Now what?
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solve for k
How?
392?
first multiply both sides by 4 then divide both sides by 28
k=8?
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correct
Ok so y=16?
correct answer
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