Solve the problem.A pulley with a diameter of 26 inches is driven by a belt which is moving 859 ft/min. To the nearest unit, how many revolutions per minute are made by the pulley?

A. 231 rpm
B. 126 rpm
C. 138 rpm
D. 224 rpm

Answer: B

Mathematics

Find the orthogonal trajectories of the family of curves. Sketch several members of each family.kx2 + y2 = 1

What will be an ideal response?

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Mathematics

Solve the problem.Suppose that = 6x2 + 5x - 2. Find f(x).

A. 6x² + 5x - 2
B. 2x³ + x² - 2x
C. 12x + 5
D. 2x³ + 2x² - 2x - 9

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Mathematics

Write as a percent.0.6

A. 60% B. 0.06% C. 600% D. 0.6%

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Mathematics

Perform the operation and reduce to lowest terms. ×

A.
B.
C.
D.

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Mathematics