Solve the problem.In one state's Multi-Million Lottery you choose 5 numbers between 1 and 56 plus a Mega number between 1 and 36. Suppose that a winning ticket pays $60 million (assume that the prize will not be split among several winners). Find the expected value of a $1 lottery ticket. Round your answer to the nearest penny.
A. $-0.56
B. $-0.44
C. $-1.00
D. $0.44
E. $0.56
Answer: A
Mathematics
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Solve.A meter is a unit of measure in the metric system that is approximately equal to 39.37 inches. Carla is 2 meters tall. What is her approximate height in inches? (Round to the nearest hundredth.)
A. 78.94 in. B. 789.40 in. C. 7.87 in. D. 78.74 in.
Mathematics
Factor by grouping. If prime, so state.12x2 - 8xy + 15x - 10y
A. (4x + 5)(3x - 2y) B. (4x - 5y)(3x + 2) C. (12x - 5)(y + 2) D. (12x + 5)(xy - 2)
Mathematics
Factor the difference of two squares.x2 - 9
A. (x - 3)(x - 3) B. (x2 + 3)(x2 - 3) C. (x + 3)(x - 3) D. (x + 9)(x - 9)
Mathematics
Identify the domain of f(x). Then complete the accompanying table and graph f(x).f(x) = 
A. [0, ?)
B. [4, ?)
C. [-4, ?)
D. [0, ?)
Mathematics