Solve the problem.Find the center of mass of a thin infinite region in the first quadrant bounded by the coordinate axes and the curve  if .

A.  =  = 
B.  =  = 
C.  =  = 
D.  =  = 


Answer: C

Mathematics

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Find the value of the indicated sum.

A.  +  = 
B.  +  = 
C.  +  = 
D.  +  = 

Mathematics

Write the sum in summation notation. +   +   + . . . +  

A.
B.
C.
D.

Mathematics

Simplify and add or subtract wherever possible.-5 - 9

A. -14
B. 4
C. -14
D. 45

Mathematics

Use a graphing calculator to find the inverse of the matrix. Give five decimal places, if necessary.A = 

A.

B.

C.

D.

Mathematics