Solve the problem.What is the radian measure of the larger central angle made by the hands of a clock at 4:00? Express your answer as a rational multiple of ?.
A. 
radians
B. 
radians
C. 
radians
D. 
radians
Answer: B
Mathematics
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Solve the problem.The magnitudes and directions of two forces acting on an object are given. Find the magnitude of the resultant to the nearest tenth.71.8 lb; 10.9° W of Nand132.3 lb; 57.1° W of S
A. 97.5 lb B. 158.3 lb C. 111.1 lb D. 124.7 lb
Mathematics
Use the right triangle shown below and find the missing length. Give an exact answer and a decimal approximation rounded to two decimal places. 
b = 36, c = 39
A. a = 15, -15 B. a = 45 C. a = 225 D. a = 15
Mathematics
Multiply. Simplify if possible.3 ? 2
A. 6
B. 6
C. 6
D. 7
Mathematics
Find all real solutions of the equation.
?
?
A. 
B. ?
C. ?
D. ?
E. no solution
Mathematics