Multiply.938(89)

A. 83,492
B. 83,482
C. 83,582
D. 83,472


Answer: B

Mathematics

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Evaluate the integral.

A. cos x ln(cos x) + cos x + C B. sin x ln(cos x) - cos x + C C. -cos x ln(cos x) + sin x + C D. -cos x ln(cos x) + cos x + C

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Find the product of the two binomials.(-5x - 3)(-3x - 12)

A. -8x2 + 69x + 69 B. -8x2 + 69x + 36 C. 15x2 + 69x + 36 D. 15x2 + 69x + 69

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Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.32 + 63 + 94 + . . . + 249 

A.
B.
C.
D.

Mathematics

Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = -1?

A.
B.
C. ?
D. none

Mathematics