Find the exact value. sin(? / 12)
What will be an ideal response?
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Solve the problem.A merchant has coffee worth $40 a pound that she wishes to mix with 90 pounds of coffee worth $90 a pound to get a mixture that can be sold for $50 a pound. How many pounds of the $40 coffee should be used?
A. 180 pounds B. 450 pounds C. 225 pounds D. 360 pounds
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 4x - y + 6z = 46 8x - 7z = 28 7y + z = 46
A. (-7, 6, 14) B. (7, 6, 4) C. (7, 4, 6) D. No solution
For a concert event, there are $30 reserved seat tickets and $20 general admission tickets. There are 2000 reserved seats available, and fire regulations limit the number of paid ticket holders to 3000. The promoter must take in at least $65,000 in ticket sales. Find and graph a system of inequalities describing the different numbers of tickets that can be sold. ?
A. 
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B.
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C. ?
D.
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E.
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Evaluate the expression for the given value or values.y ÷ y for y = 8
A. 1 B. -1 C. 8 D. 0