Use the four-step procedure for solving variation problem to solve: 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.
Use the four-step procedure for solving variation problem to solve: 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.
Chapter5: Polynomial And Rational Functions
Section: Chapter Questions
Problem 26PT: Find the unknown value. y varies inversely as the square of x and when x=3,y=2. Find y if x=1.
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Question
Use the four-step procedure for solving variation problem to solve: 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.
Expert Solution
Step 1
Given that, y varies directly as x and inversely as the square of z
so,
Where k=constant
Step 2
Given that y = 20 when x = 50 and z = 5
Using that we find k
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