Evaluate the expression.
A. 126
B. 30,240
C. 504
D. 252
Answer: D
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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
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
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A.
B.
C.
D.
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