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