Factor.10x2 + 23xy + 12y2

A. (2x + 3y)(5x + 4y)
B. (10x + 3y)(x + 4y)
C. (10x + y)(x + 12y)
D. (2x - 3y)(5x - 4y)


Answer: A

Mathematics

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Use mathematical induction to prove that the statement is true for every positive integer n.10 + 20 + 30 + . . . + 10n = 5n(n + 1)

What will be an ideal response?

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Solve the problem.The time T in seconds required for a pendulum of length L feet to make one swing is given by T = 2? .How long is a pendulum if it makes one swing in 3.00 sec? Round your answer to the nearest tenth of a foot.

A. 8.0 ft B. 7.3 ft C. 15.3 ft D. 14.6 ft

Mathematics