Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a12 when a = -6, r = -3.
A. 1,062,882
B. 1,062,886
C. -39
D. -3,188,646
Answer: A
Mathematics
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Perform the indicated operations.4
2
A. 256x2 - 640x + 400 B. 64x2 - 160x + 100 C. 64x2 + 100 D. 64x2 - 40x + 25
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Find the midpoint between the given points on a straight line.(-3.959, -8.716) and (8.827, 4.946)
A. (-12.786, -13.662) B. (-1.885, 2.434) C. (4.868, -3.77) D. (2.434, -1.885)
Mathematics
Solve the problem.A certain country's population P(t), in millions, t years after 1980 can be approximated by P(t) = 4.495(1.018)t .Find the doubling time.
A. 38.9 yr B. 61.6 yr C. 77.7 yr D. 84.2 yr
Mathematics
Complete.9.45 m = 
cm
A. 94.5 B. 945 C. 0.0945 D. 0.945
Mathematics