Solve the problem.Find the radius of gyration about the x-axis of a lamina in the first quadrant bounded by the coordinate axes and the curve 
if 
.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
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Solve the problem.A field microphone used at a soccer game has a parabolic cross section and is 16 in. wide at the opening. The focus is 16 in. from the vertex. Find the depth of the microphone.
A. 16.00 in. B. 4.00 in. C. 0.44 in. D. 1.00 in.
Match the property with the example of it.Associative property
A. (1 + 8) + 2 = (8 + 1) + 2 B. (1 + 8) + 2 = 1 + (8 + 1) C. (1 + 8) + 2 = 1 + (8 + 2) D. (1 + 8) + 0 = (1 + 8)
Simplify the expression. Assume all variables represent positive real numbers.
A. 4x
B. x 
C. 
D. 
Solve the problem.An electric company has the following rate schedule for electricity usage in single-family residences:Monthly service charge $4.93Per kilowatt service charge1st 300 kilowatts$0.11589/kWOver 300 kilowatts$0.13321/kWWhat is the charge for using 300 kilowatts in one month?What is the charge for using 375 kilowatts in one month?Construct a function that gives the monthly charge C for x kilowatts of electricity.
What will be an ideal response?