Solve the problem.Joe has a collection of nickels and dimes that is worth $5.30. If the number of dimes were doubled and the number of nickels were increased by 13, the value of the coins would be $9.95. How many dimes does he have?

A. 20 dimes
B. 40 dimes
C. 26 dimes
D. 13 dimes


Answer: B

Mathematics

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Graph the function.f(x) = ln x - 2 

A.

B.

C.

D.

Mathematics

Make a line graph of the data.The following table gives the average cost of producing a music video over the given years. Use time on the horizontal scale for your line graph.

What will be an ideal response?

Mathematics

Solve the problem.In a certain town the annual consumption, b, of beef (in pounds per person) can be estimated by  where t is the number of years since 2010. Find and interpret the b-intercept of the graph of this function.

A. 72; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2082. B. 36; The annual consumption of beef in this town was 36 pounds per person in 2010. C. 36; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2046. D. 72; The annual consumption of beef in this town was 72 pounds per person in 2010.

Mathematics

Simplify the complex rational expression.

A.
B. 7
C. x2 + 7
D.

Mathematics