The reactance of a circuit is shown by the equation 6.28 ð 125 kHz ð 30 mH. What is the reactance?
a. 23.6 kohms
b. 23.6 Mohms
c. 23.6 H
d. 23.6 S
e. 23.6 Hz
a. 23.6 kohms
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Solve the problem.Find the center of mass of the region of density 
bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 10
D. 
= 0, 
= 0, 
= 5
As part of a study, 800 college football players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 235 pounds and the standard deviation is 25 pounds.Of the 800 players approximately how many weighed 210 pounds or less?
A. 128 B. 200 C. 64 D. 544 E. none of these
Write an equation for the graph given. The graph represents an logarithmic function f with base 2 or 3, translated and/or reflected.
A. -log3(x - 2) B. log3(-x - 2) C. -log3(-x + 2) D. -log3(x + 2)
Determine whether the problem is an equation or an expression. 16 + 2
A. Expression B. Equation