Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.

A.
B.
C.
D.


Answer: B

Mathematics

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Find ? for 0° ? ? < 360° that satisfies the stated conditions. Round your answer to the nearest hundredth.cos ? = -0.45, sin ? < 0

A. 243.26° B. 116.74° C. 182.28° D. 288.26°

Mathematics

Sketch the graph of f.f(x) = x

A.

B.

C.

D.

Mathematics

What is sin B? ? ?

A.
B.
C.
D.
E.

Mathematics

Complete the square in the given expression. Then factor the perfect square trinomial.x2 - 10x

A. x2 - 10x + 25 = (x - 5)2 B. x2 - 10x - 100 = (x - 10)2 C. x2 - 10x + 100 = (x - 10)2 D. x2 - 10x - 25 = (x - 5)2

Mathematics