SOLUTION: x varies directly as the square of s and inversely as t. How does x change when s is doubled? When both s and t are doubled?

SOLUTION: x varies directly as the square of s and inversely as t. How does x change when s is doubled? When both s and t are doubled?

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Question 390108: x varies directly as the square of s and inversely as t. How does x change when s is doubled? When both s and t are doubled?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
, where k is the constant of proportionality. Then
. So the value of x is quadrupled when s is doubled.
. So the value of x is doubled when both s and t are doubled.
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