the blades on a wind turbine trace a circular parh with radius 100 feet. suppose the turbine spins at 20 revolutions per minute. what is the linear velocity, in mph, of a point on the tip of a blade? round the answer to the nearest tenth.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min