Write out the sum. Do not evaluate.

A.  +  +  + 
B.  +  +  +  + 
C.
D.  +  +  +  + 


Answer: D

Mathematics

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Solve the problem.The amount of a certain drug in the bloodstream is modeled by the function , where y0 is the amount of the drug injected (in milligrams) and t is the elapsed time (in hours). Suppose that 10 milligrams are injected at 10:00 A.M. If a second injection is to be administered when there is 1 milligram of the drug present in the bloodstream, approximately when should the next dose be given? Express your answer to the nearest quarter hour.

A. 12:30 P.M B. 5: 30 P.M C. 5:45 P.M D. 3:45 P.M

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Provide an appropriate response.Explain how you multiply a decimal number by a power of ten.

What will be an ideal response?

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Write true or false for the statement.1 centimeter = 0.01 meter

A. True B. False

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Find the vertex of the parabola.f(x) = - x2 + 5x - 5

A. (15, -5)
B.  
C.  
D. (-15, -155)

Mathematics