Multiply.(5i)(-10i)

A. -50
B. 50
C. 15
D. -15


Answer: B

Mathematics

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Provide an appropriate response.Inflation is causing prices to rise at a rate of 9% per year. Use the approximate double time formula to determine what the price will be in 11 years if the item costs $100 today.

A. $109.32 B. $266.53 C. $313.83 D. $533.06

Mathematics

Solve the problem.The rate of expenditure on a particular machine is given by dM/dx = 9x, where x is time measured in years. Maintenance costs for the second year are $74. Find the total maintenance function, M.

A. M = 3(x2 + 5)3/2 + 65 B. M = 9(x2 + 5)3/2 - 7 C. M = 9(x2 + 5)3/2 + 65 D. M = 3(x2 + 5)3/2 - 7

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Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(6, 5) and (11, -2)

A. - 
B.
C. Undefined
D. 0

Mathematics

Determine which of the following numbers, if either, is prime.

Mathematics