Use n = 4 to approximate the value of the integral by the trapezoidal rule.

A. 28.8
B. 405.3
C. 431.3
D. 551.3


Answer: C

Mathematics

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Find the divergence of the field F.F = 3x5i + 3y5j + 4z5k

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Find the angle between the given vectors to the nearest tenth of a degree.v = 2i,  w = j

A. 0° B. 90° C. 270° D. 180°

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Solve the problem.Find two numbers whose sum is 51 and whose difference is 5.

A. 47 and 4 B. 30 and 35 C. 23 and 28 D. 21 and 30

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Fill in the blank with one of the words or phrases listed below.The process of eliminating the radical in the denominator of a radical expression is called .

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