Find the partial fraction decomposition for the rational expression.

A.   + 
B. 1 +  + 
C. 1 +  + 
D.   + 


Answer: C

Mathematics

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Solve the problem.The half-life of plutonium-234 is 9 hours. If 20 milligrams is present now, how much will be present in 4 days? Round your answer to three decimal places.

A. 0.918 mg B. 0.012 mg C. 9.548 mg D. 14.697 mg

Mathematics

Sketch trajectories of solutions of z? = Az given the eigenvalues and associated eigenvectors of A. Classify the origin and assess its stability.

Mathematics

Convert the polar equation to a rectangular equation.r(4 + cos ?)= 12

A. 16x2 + 16y2 + 24x - 144 = 0 B. 16x2 + 15y2 + 24y - 144 = 0 C. 17x2 + 16y2 - 24x - 144 = 0 D. 15x2 + 16y2 + 24x - 144 = 0

Mathematics

Solve the problem.A rectangular Persian carpet has a perimeter of 188 inches. The length of the carpet is 30 inches more than the width. What are the dimensions of the carpet?

A. 64 in., 94 in. B. 32 in., 62 in. C. 62 in., 92 in. D. 79 in., 109 in.

Mathematics