Find the requested sum of the arithmetic sequence. +  +  +  + . . .  + 

A.
B.
C.
D.


Answer: C

Mathematics

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Over a certain time period the price of gold doubled every 4 years. What was the yearly growth factor for gold during this period? Round your answer to two decimal places. ?

A. 2.00 B. 1.19 C. 1.69 D. None of the above

Mathematics

Use integration by parts to establish a reduction formula for the integral.

A.  = - cosn-1 x sin x + (n - 1) 
B.  = cosn-1 x sin x + 
C.  = cosn-1 x sin x - (n - 1) 
D.  = cosn-1 x sin x - 

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Graph the inequality.y ? 6

A.

B.

C.

D.

Mathematics

Solve.How long will it take for the population of a certain country to double if its annual growth rate is ? Round to the nearest year.

A. 74 yr B. 26 yr C. 1 yr D. 11 yr

Mathematics