3. y varies jointly as x and the square of z. If y = 8 when x = 4 and z = 3, find y y when x = 9 and z=4.
Show your solution Branleist kita need po now
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. 1. If y varies directly as x and y = -3 when x = -4, find x when y = 2.
2. If y varies inversely as x and y = 3 when x = 4, find y when x = 6.
3. If y varies inversely as x and y = -2 when x = -8, find x when y = 2.
4. z varies jointly as x and y. If z = 3 when x = 3 and y = 15, find z when x = 6 and y y = = 9.
5. If r varies directly as s and inversely as the square of u, and r = 2 when S = 18 and u = 2, find r when u = 3 ands = 27
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