Solve the problem.A racetracks curve is banked so that the outside of the curve is slightly elevated or inclined above the inside of the curve. This inclination is called the elevation of the track. The maximum speed on the track in miles per hour is given by where r is the radius of the track in miles and ? is the elevation in degrees. Find the maximum speed for a racetracks with an elevation of 26° and a radius of   Round to the nearest mile per hour.

A. 186 miles per hour
B. 157 miles per hour
C. 54,680 miles per hour
D. 34,646 miles per hour


Answer: B

Mathematics

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