Use partial fractions to find the sum of the series.

A.
B.
C. 1
D.


Answer: D

Mathematics

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Write the function that describes the following scenario:  A company makes computer chips that sell for $200 each. The cost of installation of one chip is $64. ?

A. ?f(x) = 64x + 200 B. ?f(x) = 200x C. ?f(x) = 200x + 64 D. ?f(x) = 64x E. ?None of the above.

Mathematics

Find the center of mass of a thin plate covering the given region with the given density function.The region enclosed by the parabolas y = 18 - x2  and y = x2, with density ?(x) = x2

A.  = 0,  = 9
B.  = 0,  = 
C.  = 9,  = 0
D.  = 0,  = 18

Mathematics

The graph shows a region of feasible solutions. Find the requested value or values of P over this region.Find the maximum and minimum ofP = 9x + 9y.

A. 54, 45 B. 90, 36 C. -36, -63 D. 63, 36

Mathematics

Find the probability.Each of ten tickets is marked with a different number from 1 to 10 and put in a box. If you draw a ticket from the box, what is the probability that you will draw 5, 6, or 4?

A.
B.
C.
D.

Mathematics