Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 

A. 12 cm
B. 14.5 cm
C. 72.5 cm
D. 145 cm


Answer: A

Mathematics

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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 3 using the midpoint sum with two rectangles of equal width.

A. 16.875 B. 8.4375 C. 12.5 D. 3.375

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Find the series' radius of convergence.

A. 1 B. ?, for all x C. 10 D. 5

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Solve the equation. Express radicals in simplest form.x2 = 9 - 4x

A. {-2 + 2, -2 - 2}
B. {-1 + , -1 - }
C. {-2 + , -2 - }
D. {2 + }

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Use the numeric integration feature on your calculator to find the integral.

A. 10.0667 B. -10.9333 C. 13.0667 D. 6.9333

Mathematics