Find the moment or center of mass of the wire, as indicated.Find the moment about the x-axis of a wire of constant density that lies along the first-quadrant portion of the circle x2 + y2 = 9.
A. 3
B. 
C. 
D. 9
Answer: D
Mathematics
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Add and simplify. If the answer is an improper fraction, write it as a mixed number.
+ 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.ln e
A. 
e
B. 
C. 
D. 
e
Mathematics
___________________ preserves parallelism
(a) A reflection. (b) A rotation. (c) A glide reflection. (d) A similitude. (e) All of (a), (b) and (c) are correct. (f) All of (a), (b), (c) and (d) are correct.
Mathematics
Evaluate the definite integral by using the method of integration by parts.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics