Use the appropriate addition formula to find the exact value of the expression.sin 

A. - 
B.
C.
D.


Answer: A

Mathematics

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Find the domain and range of the function.y = x - 2

A. D = (-?, ?), R = (-?, ?) B. D = [2, ?), R = [0, ?) C. D = [0, ?), R = [-2, ?) D. D = (-?, ?), R = [0, ?)

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Solve the equation. ? ? Round your answer to four decimal places. ?

A.
B. ?
C. ?
D. ?
E. ?

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Multiply.1059

A. 93.4 B. 953.1 C. 9531 D. 95.31

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Solve the problem and answer the question.A barge takes 4 hours to move (at a constant rate) downstream for 40 miles, helped by a current of 3 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.

A. 10 hr B. 80 hr C. 7 hr D. 4 hr

Mathematics