(Step-by-Step) An escalator in a department store is 50 feet long and carries customer through a vertical distance of 20 feet. What is the angle that the
Question: An escalator in a department store is 50 feet long and carries customer through a vertical distance of 20 feet.
- What is the angle that the escalator makes with the floor?
- If it takes 25 seconds to carry a customer from the bottom of the escalator to the top, how fast (in feet per second) is the escalator moving?
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(See Steps) The function P=100-20 cos (5pi t)/(3) approximates
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[See] The function f(x)=k(x^3+3x-4) has an inverse function and
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