Two dice are rolled. If the total is 5, then player A receives 6 points. If the total is 7, then player B receives 4 points. Find the expected value for each player.


Mathematics

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Provide an appropriate response.Solving for which variable in which equation involves the least amount of work? 5x - 2y = 8-18x - 9y = 117

A. y in equation 2 B. x in equation 1 C. x in equation 2 D. y in equation 1

Mathematics

Graph the ellipse. +   = 1

A.

B.

C.

D.

Mathematics

Multiply.(x - 5)(x - 10)

A. x2 - 15x - 15 B. x2 - 15x + 50 C. x2 - 16x + 50 D. x2 + 50x - 15

Mathematics

Solve the problem.Three different high schools plan to order the same three text books. School A plans to order 90 of book 1, 20 of book 2, 80 of book 3. School B plans to order 60 of book 1, 20 of book 2, 20 of book 3. School C plans to order 80 of book 1, 100 of book 2, 70 of book 3. The cost of book 1 is $15 per copy, the cost of book 2 is $20 per copy, and the cost of book 3 is $25 per copy. What matrix product displays the cost to each school of buying the textbooks? Display the two matrices which must be multiplied and their product. 

A.   = 
B.   =   
C.   =  
D.   = 

Mathematics