Solve the given differential equation.
+ 16y = sin 4x
A. y = c1 sin 4x + c2 cos 4x + 
x cos 4x
B. y = c1 sin 4x + c2 cos 4x - 
x sin 4x - 
x cos 4x
C. y = c1 sin 4x + c2 cos 4x - 
x sin 4x
D. y = c1 sin 4x + c2 cos 4x - 
x cos 4x
Answer: D
Mathematics
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A. 
B. 4e16
C. 
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Evaluate the integral.
A. 
- 
B. - 
C. 
+ 
D. 
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Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circle 
if the density of the wire is 
A. 
= 
, 
= 
B. 
= 1, 
= 1
C. 
= 
, 
= 
D. 
= 
, 
= 
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Write the fraction as a decimal. If the decimal is a repeating decimal, write using the bar notation and then round to the nearest hundredth. 
A. 0.4375
B. 0.437
? 0.44
C. 0.4
? 0.44
D. 0.43
? 0.44
Mathematics