Solve the problem.Find the radius (to the nearest hundredth of a millimeter) of a pulley if rotating the pulley 109.38° raises the pulley 42.2 mm.

A. 21.91 mm
B. 22.11 mm
C. 22.01 mm
D. 22.21 mm


Answer: B

Mathematics

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Match the differential equation with the appropriate direction field.y'(x) = x2 - y2

A.

B.

C.

D.

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Give the value of the indicated trigonometric function of a vector with the indicated end point.(-3, -2); Find tan ?.

A. - 
B.
C. - 
D.

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Solve the problem using the loan payoff table or an amortization table.A movie star purchased a home costing $942,957. He put 20% down and signed a note for monthly payments at 9% interest for 4 years. Find the amount of each monthly payment and the total amount of interest paid on the loan.

A. $19,130.71, $163,908.48 B. $23,470.20, $183,612.60 C. $18,776.16, $146,890.08 D. $18,414.06, $129,509.28

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Determine whether the ordered triple is a solution to the given linear system.(2, 9, -4)

A. Yes B. No

Mathematics