Evaluate the following expression using a unit circle.cos 2?

A. -1
B.
C. 1
D. 0


Answer: C

Mathematics

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Three players (one divider and two choosers) are going to divide a cake fairly using the lone divider method. The divider cuts the cake into three slices (s1, s2, and s3).Suppose the choosers value the slices as follows: Which of the following is not a fair division of the cake?

A. Chooser 1 gets s1; Chooser 2 gets s2; Divider gets s3. B. Chooser 1 gets s2; Chooser 2 gets s1; Divider gets s3. C. Chooser 1 gets s1; Chooser 2 gets s3; Divider gets s2. D. Chooser 1 gets s2; Chooser 2 gets s3; Divider gets s1. E. none of these

Mathematics

Solve the problem.In the past, Michael has had the following success when shooting after having been fouled. 30%, 30%, and 40% of the time he will get 0, 1, or 2 points. Which of the following simulations could be used for estimating the probabilities of shooting 0, 1, or 2 points?

A. None of these B. 0 - 2 = 1 point, 3 - 6 = 2 points, and 7 - 9 = 0 points C. It is not possible to create a simulation with the digits 0 - 9. D. 0 - 3 = 1 point, 4 - 6 = 2 points, and 7 - 9 = 0 points

Mathematics

Solve the equation.7 = s + 1

A. 6 B. -6 C. -8 D. 8

Mathematics

Solve the problem.Bruce is a retired carpenter who builds patio chairs and dog houses which he sells at his local flea market. It takes him 4 hours to build a dog house and 5 hours to build a patio chair. Bruce can work no more than 40 hours per week and he must produce more dog houses than chairs. Use a system of inequalities to describe this situation and solve the system by graphing. Use D for the number of dog houses and P for the number of patio chairs produced in a week. 

A.

B.

C.

D.

Mathematics