Simplify the expression. If any variables are present, assume that they are positive. ? 

A. Not a real number
B.
C.
D.


Answer: C

Mathematics

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Find f when T = 9.8 msec.

a. 102 Hz b. 980 Hz c. 1.02 KHz d. 9.80 KHz e. 102 KHz

Mathematics

Find all solutions of the equation. Leave answers in trigonometric form.x2 - 36 = 0

A. {6 cis 235°, 6 cis 135°}
B. {6 cis 180°, 6 cis 0°}
C. {6 cis 45°, 6 cis 225°}
D. {6 cis 90°, 6 cis 270°}

Mathematics

Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 9 terms of the geometric sequence:  , . . . .

A.
B.
C. 73
D. 74

Mathematics

Write an algebraic expression, using x as the variable.476 plus a number

A. x + 476 B. x - 476 C. 476x D. 476

Mathematics