Find the center of mass of a thin plate of constant density covering the given region.The region enclosed by the parabolas y = - x2 + 18 and y = x2
A. 
= 0, 
= 
B. 
= 0, 
= 9
C. 
= 9, 
= 0
D. 
= 0, 
= 18
Answer: B
Mathematics
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Find the indicated quantity.a3, when a18 = 106 and a10 = 58
A. 16 B. 6 C. 22 D. 4
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Find the geometric mean between 16 and 49.
What will be an ideal response?
Mathematics
If possible, simplify the expression. If any variables exist, assume that they are positive.
+ 5
+ 8
A. 42
B. 13
C. 43
D. 14
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Determine whether the variation between the indicated quantities is direct or inverse.The number of hours worked by an hourly worker and the amount of her paycheck
A. Direct B. Inverse
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