Find the area of the region specified by the integral(s).

A.
B. 288
C.
D.


Answer: C

Mathematics

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Provide an appropriate response.Solve the system: 

What will be an ideal response?

Mathematics

Solve the problem.A boy is flying a model airplane while standing on a straight line. The plane, at the end of a twenty-five foot wire, flies in circles around the boy. The directed distance of the plane from the straight line is found to be d = 25 cos where d is measured in feet and t is the time in seconds. If d > 0, the plane is in front of the boy; if d < 0, the plane is behind him. What is the amplitude? What is the period? Graph d over two periods beginning at t = 0. 

What will be an ideal response?

Mathematics

Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?

A. $1.00 B. $0.75 C. $1.75 D. $50

Mathematics

Find the limit by direct substitution. ? ?

A. =
B. =
C. 8
D.
E. = 8

Mathematics