Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Provide an appropriate response. Use the tangent function to find b of a standard right triangle ABC given a = 45.7 m and B = 12.6°. Round to four significant digits.
A. 204.5 m B. 44.60 m C. 10.22 m D. 9.969 m
Mathematics
Solve the problem.Add: 2 ft 11 in. and 4 ft 10 in.
A. 6 ft 10 in. B. 7 ft 9 in. C. 6 ft 9 in. D. 7 ft 11 in.
Mathematics
Use a graphing calculator to approximate the zeros in the indicated interval. Round answers to two decimal places, if necessary.f(x) = x4 cos x; [-8, 8]
A. -4.71, -1.57, 0, 1.57, 4.71 B. -7.85, -4.71, -1.57, 0, 1.57, 4.71, 7.85 C. 0, 3.14, -6.28, -3.14, 6.28
Mathematics
Graph the function.f(x) = 2
A. 
B. 
C. 
D. 
Mathematics