Find the common ratio for the geometric sequence.4, 8, 16, 32, 64, . . .
A. 4
B. 
C. 2
D. Not geometric
Answer: C
Mathematics
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Sketch an abacus to represent the given number.635
A. 
B. 
Mathematics
Solve the problem.6x = 16
A. 0.6462 B. 2.6667 C. 1.5474 D. 0.375
Mathematics
Solve the problem.Suppose that certain bacteria can double their size and divide every 30 minutes. Write a recursive sequence that describes this growth where each value of n represents a 30-minute interval. Let a1 = 409 represent the initial number of bacteria present.
A. an = 2 a1 for all values of n.
B. a1 = 409; an = 2 an+1 for n > 1.
C. a1 = 409; an = 
an-1 for n > 1.
D. a1 = 409; an = 2 an-1 for n > 1.
Mathematics
Use sum-to-product formulas to rewrite the expression as a product.sin 6x + sin 2x
A. 2 sin 8x B. 2 sin 4x sin 2x C. 2 sin 4x cos 2x D. 2 cos 4x sin 2x
Mathematics