### Find the volume within the piece of tubing in an oil

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Solve the given problem by integration.

Find the volume within the piece of tubing in an oil distribution line shown in Fig. 28.25. All cross sections are circular. #### Solving the differential equation

Q1.) Four months after it stops advertising, a manufacturing company notices that its sales have dropped from 100,000 units per month to 80,000 units per month. If the sales f

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#### What are the lengths of the two pieces

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