Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.20 cents to $9

A.
B.  
C.  
D.  


Answer: D

Mathematics

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Solve the problem.Suppose that y is inversely proportional to x and that y = 24.5 when x = 7. Find the constant of proportionality k. Then, find y when x = 49.

A. k = 171.5; y = 3.5 B. k = 156.8; y = 3.2 C. k = 186.2; y = 3.8 D. k = 3.5; y = 171.5

Mathematics

Find the APR to the nearest 0.5%. Use the Annual Percentage Rate table if necessary.The owner of an automobile repair center purchased new electronic diagnostic equipment for $20,000. He paid  down and then paid 60 monthly payments of $386.43. Determine the APR of the loan to the nearest 0.5%.

A. 9.0% B. 9.5% C. 8.5% D. 8.0%

Mathematics

Divide. Be sure your answer is simplified. ÷ 

A.
B.
C.
D.

Mathematics

Simplify the expression.ln(e5x)

A. 5x
B. 5
C.
D. e5

Mathematics