Rationalize the numerator.

A.
B.
C.
D.


Answer: D

Mathematics

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Use the appropriate formula to find the indicated figurate number.the 13th octagonal number

A. O13 = 162.5 B. O13 = 195 C. O13 = 481 D. O13 = 58.5

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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 8x + 4y + 7; R = {(x, y): 0 ? x ? 1, 1 ? y ? 3}

A. 28 B. 38 C. 26 D. 36

Mathematics

Solve the system.x2 - y2 = 39x - y = 3

A. {(8, 5)} B. {(8, -5)} C. {(-8, -5)} D. {(-8, 5)}

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Classify the system as independent, inconsistent, or dependent. x - 3y = 63y + 1 = x

A. Dependent B. Independent C. Inconsistent

Mathematics