Evaluate the expression.

A. 126
B. 30,240
C. 504
D. 252


Answer: D

Mathematics

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Solve the problem.dy/dt = ky + f(t) is a population model where y is the population at time t and f(t) is some function to describe the net effect on the population. Assume k = 0.02 and  when t = 0. Solve the differential equation of y when f(t) = -18t.

A. y = -900t + 45,000 - 35,000e-0.02t B. y = 900t + 45,000 - 35,000e0.02t C. y = -900t - 45,000 - 35,000e0.02t D. y = 900t + 45,000 - 35,000e-0.02t

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Identify the sampling technique used to obtain a sample.Of all the fishermen on a lake, the game warden chooses to check the fishing license only of the first person that returns to the boat dock.

A. Systematic sampling B. Cluster sampling C. Convenience sampling D. Stratified sampling

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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.

A.
B.
C.
D.

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Perform the conversion. Round to the nearest tenth when necessary.59.1 km/hr to mi/hr

A. 40.3 mi/hr B. 86.7 mi/hr C. 36.6 mi/hr D. 95.2 mi/hr

Mathematics