Rationalize the denominator.

A. -6
B. -42
C. -7
D. -7


Answer: C

Mathematics

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Add or subtract as indicated. You will need to simplify terms to identify like radicals.4 + 7

A. 10
B. -18
C. 18
D. 11

Mathematics

Find the magnitude and direction angle (to the nearest tenth) for the given vector. Give the measure of the direction angle as an angle in [0, 360°).

A. 7; 233.1° B. 5; 216.9° C. 5; 53.1° D. 5; 233.1°

Mathematics

Graph the compound inequality.x > -3 and x < 1

A.
B.
C.
D.

Mathematics

If $10,000 is invested in an account at 5% per year, find the amount of the investment at the end of 12 years for the following compounding methods.

(a) Continuously (b) Daily

Mathematics