Use the four-step procedure for solving variation problems given on page 445 to solve Exercises 110. y
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Use the four-step procedure for solving variation problems given on page 445 to solve Exercises 1–10.
y varies directly as x and inversely as the square of z. y = 20. when x = 50 and z = 5. Find y when x = 3 and z = 6.
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