Find the mean of the data presented in the given table of values.
(Round to the nearest tenth if necessary.)
A. 7.7
B. 9.2
C. 8.2
D. 6.2
Answer: A
Mathematics
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Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 3x + 5y = -102x + 4y = -6
A. (5, -1) B. (1, -5) C. (-5, 1) D. (-1, 5)
Mathematics
Simplify.
A. 14
B. 42
C. 11
D. 3
Mathematics
Solve the equation by factoring.x2 + x - 72 = 0
A. {-8, 9} B. {-9, -8} C. {8, 9} D. {-9, 8}
Mathematics
Determine whether the statement is true or false.You wish to solve the following linear programming problem:Minimize2x1+ x2subject tox1?- x2? 4x1?+ 2x2? 10and x1 ? 0, x2 ? 0This can be solved by the simplex method by solving the equivalent problem:Maximize2x1+ x2subject tox1?- x2? 4-x1?- 2x2? -10and x1 ? 0, x2 ? 0
A. True B. False
Mathematics