Find the exact value of the integral using a formula from geometry.for the indicated region.

A. 42
B. 7
C. 49
D. 14


Answer: C

Mathematics

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Enrollment at a certain university t years after 2000 is given by . According to the model, what is the maximum enrollment that can be attained? Round your answer to two decimal places, if necessary. ?

A. 10,853.00 B. 21,706 C. 5,426.50 D. 22,031

Mathematics

Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.x - z = 2y + z = 2x + z = 4

A. x = 3, y = 1, z = 1 B. x = 6, y = 2, z = 2 C. x = 1, y = 3, z = - 1 D. x = 2, y = 2, z = 0

Mathematics

Add. Combine like terms, and write the answer in descending order.(-5v2 + 9v) + (-3 - 6v + 8v2)

A. 3v4 + 3v2 - 3 B. 6v6 - 3 C. 3v2 + 3v + 3 D. 3v2 + 3v - 3

Mathematics

Factor the binomial completely.z2 - 100

A. (z + 10)(z - 10) B. (z + 10)2 C. prime D. (z - 10)2

Mathematics