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blem 8. (11.5/36) The radius of a right circular cone is increasing at a rate of 1.8 in/sec while its height is decreasing at a

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blem 8. (11.5/36) The radius of a right circular cone is increasing at a rate of 1.8 in/sec while its height is decreasing at a rate of 2.5 in/sec. At what rate is the volume of the cone changing when the radius is 120 inches and the height is 140 inches? [This exercise should be reminiscent of Related Rates problems from Calculus I.]

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