Use transformations to graph the function.y = sin (x + ?)
A.
B.
C.
D.
Answer: C
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Solve.The following table gives the electricity usage (in kilowatt hours) for the Peters family for six months.What is the average electricity usage for the months February through June?
A. 971.33 kwh B. 973.22 kwh C. 971.85 kwh D. 975.24 kwh
Write the basic solution for the simplex tableau determined by setting the nonbasic variables equal to 0.
A. x1 = 9, x2 = 0, x3 = 18, x4 = 15, x5 = 1, z = 12 B. x1 = 0, x2 = -3, x3 = 0, x4 = 0, x5 = 1, z = 1 C. x1 = 9, x2 = 0, x3 = 18, x4 = 15, x5 = 1, z = 0 D. x1 = 9, x2 = 0, x3 = 18, x4 = 15, x5 = 0, z = 12
Simplify the complex rational expression.
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B.
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D.
Mix a solution that is 70% alcohol with a solution that is 10% alcohol to make 240 mL of a solution that is 20% alcohol. How much of each solution should you use?
A. So, mix 120 mL of the 70% solution and 120 mL of the 10% solution. B. So, mix 30 mL of the 70% solution and 210 mL of the 10% solution. C. So, mix 40 mL of the 70% solution and 200 mL of the 10% solution. D. So, mix 210 mL of the 70% solution and 30 mL of the 10% solution. E. So, mix 200 mL of the 70% solution and 40 mL of the 10% solution.