Rewrite the expression in terms of exponentials and simplify the results.4

A. e32x - e-32x
B. e-8x4
C. e-32x
D. -e-32x


Answer: C

Mathematics

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Find the indicated probability.The age distribution of students at a community college is given below.  Age (years)Number of students (f)1133?A student from the community college is selected at random. Find the probability that the student is at least 31. Round your answer to three decimal places.

A. 0.076 B. 86 C. 0.053 D. 0.924

Mathematics

Find the mean of the set of data. Round your answer to the nearest tenth.13, 13, 14, 10, 9, 16, 5, 11, 19

A. 12.3 B. 10.8 C. 12.1 D. 12.2

Mathematics

Translate the sentence to an equation.A number x divided by 3 equals .

A. = 3
B.  = 
C.  = 10
D.  = 

Mathematics

Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 4, c = 8

A. = ; a ? 3.464
B. = 4
C. = ; a ? 5.657
D. = ; a ? 6.928

Mathematics