Use a sum or difference identity to find the exact value.sin 

A.
B.
C.
D.


Answer: C

Mathematics

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Determine what m and b represent.The cost, in dollars, of retaining the services of a computer repairman in Anchorville is given by  where x is the number of hours worked.

A. 18 signifies the hourly rate, and 51 signifies the overhead charge. B. -51 signifies the hourly rate, and 18 signifies the travel cost. C. 69 signifies the cost for an on-site inspection. D. 51 signifies the hourly rate, and 18 signifies the overhead charge.

Mathematics

Find a polar equation for the circle shown.r = 10 sin ?

A.

B.

C.

D.

Mathematics

Solve the problem.The floor of a rectangular room is to be tiled with  foot square tiles along a  wall. How many tiles will be needed along the wall?

A. 23 tiles
B. 21 tiles
C. 2 tiles
D. 21 tiles

Mathematics

Find the logarithm using the change-of-base formula.log? 200

A. 0.2161 B. 1.1447 C. 4.6284 D. 5.2983

Mathematics