Rationalize the denominator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.When is it necessary to use a trigonometric function to find the measure of a side of a right triangle?
What will be an ideal response?
Provide an appropriate response. Use the law of sines to solve the triangle ABC if a = 22, b = 12, and A = 42°. If there are two possibilities, find both solutions. Round sides to four significant digits and angles to the nearest 0.1°.
A. c = 29.40, B = 21.4°, C = 116.6°; c = 30.78, B = 68.6°, C = 69.4° B. c = 30.78, B = 68.6°, C = 69.4° C. c = 29.40, B = 21.4°, C = 116.6° D. c = 9.451, B = 111.4°, C = 26.6°
Solve the triangle.a = 80, b = 8, C = 125°
A. c = 90.64, A = 48.6°, B = 6.4° B. c = 84.84, A = 50.6°, B = 4.4° C. c = 87.74, A = 52.6°, B = 2.4° D. no triangle
Find the general term, an, of the given geometric sequence.
, 
, 
, ...
A. an = 
n-1+ 
B. an = 
+ 
(n - 1)
C. an = 
+ 5(n - 1)
D. an = 
(5)n-1