Use a calculator to find an approximation for the power. Round the answer to seven decimal places if necessary.
-
A. -1.632527
B. 0.7071068
C. 1
D. 0.6125473
Answer: D
Mathematics
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Find n(A) for the set A.A = {2, 2, 3, 3, . . ., 6, 6}
A. n(A) = 3 B. n(A) = 5 C. n(A) = 10 D. n(A) = 6
Mathematics
Graph the solution set of the system of inequalities or indicate that the system has no solution.x2 + y2 ? 81y - x2 > 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = -1?
A. ?
B. 
C. 
, 
D. none
Mathematics
Solve the problem.The speed of a stream is 6 mph. If a boat travels 84 miles downstream in the same time that it takes to travel 42 miles upstream, what is the speed of the boat in still water?
A. 12 mph B. 20 mph C. 21 mph D. 18 mph
Mathematics