Write the partial fraction decomposition of the rational expression.

A.  +  
B.  + 
C.  + 
D.  + 


Answer: D

Mathematics

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Calculate how many times more intense an earthquake with a Richter number of 8.1 is than an earthquake with a Richter number of 6.2. Please round the answer to the whole number. 

A. 84 B. 87 C. 79 D. 89 E. 81

Mathematics

Solve the problem.Find the moment of inertia Iy  of the region of constant density  bounded by the paraboloid  and the xy-plane.

A. ?
B. ?
C. ?
D. ?

Mathematics

Use the given information to find the exact value of the expression.sin ? = , ? lies in quadrant I, and cos ? = , ? lies in quadrant IFind cos (? + ?).

A.
B. - 
C.
D.

Mathematics

Divide.

A. 1,115 B. 1,130 R 18 C. 1,135 R 26 D. 1,125

Mathematics