Solve the problem.Find the moment of inertia about the y-axis of the thin semicircular region of constant density 
bounded by the x-axis and the curve 
.
A. 15,000?
B. 30,000?
C. 11,250?
D. 22,500?
Answer: C
Mathematics
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Write the opposite of the polynomial and simplify your result.3x5 + 2.5x3 - 12x2 + 0.5x
A. -3x5 - 2.5x3 + 12x2 - 0.5x B. -3x5 + 2.5x3 - 12x2 + 0.5x C. -3x5 + 2.5x3 - 12x2 - 0.5x D. 3x5 + 2.5x3 - 12x2 - 0.5x
Mathematics
Translate the sentence to an algebraic inequality.The cost is no more than $265.00.
A. x < 265.00 B. x ? 265.00 C. x > 265.00 D. x ? 265.00
Mathematics
Simplify completely.
A. - 
B. 1
C. 
D. -1
Mathematics
Solve.Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 180 foreign coins. Find how many coins Mary has.
A. 135 coins B. 126 coins C. 45 coins D. 27 coins
Mathematics