A machine needs 2 of its gears replaced. You find 2 gears, one manufactured 5 years ago and the other manufactured 10 years ago.
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Answer:
Step-by-step explanation:
1. Set up the integral.
The equation for the circle is
x² + y² = 9
The bottom corners of the square are at
The length (a) of a side is
and the area (A) of the square cross-section is
A = a² = 4(9 - x²)
The volume (V) of the solid is
2. Solve the integral
