Rewrite the following as a product of trigonometric functions.sin 7 + sin 43
A. 2 cos 25 sin(-18)
B. 2 sin 25 cos(-18)
C. 2 sin 25 sin(-18)
D. 2 cos 25 cos(-18)
Answer: B
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Simplify the expression. Assume all variables represent nonzero real numbers.(-2x)3
A. -6x B. -8x3 C. 8x D. 6x3
Use the graph to determine the x- and y-intercepts.
A. y-intercept: 1 B. x-intercept: -1 C. y-intercept: -1 D. x-intercept: 1
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Solve the problem.Each week, a sales manager classifies her sales people as low, medium, or high producers. Find the long-range trend for the portion of low, medium, and high producers. Round numbers to four decimal places.LowMediumHigh
A. [0.2440 0.4211 0.3349] B. [0.4366 0.3472 0.2161] C. [0.2343 0.3472 0.4185] D. [0.1951 0.3688 0.4366]