Solve the problem.The length of a rectangular frame is 7 cm more than the width. The area inside the frame is 60 square cm. Find the width of the frame.

A. 5 cm
B. 19 cm
C. 12 cm
D. 7 cm


Answer: A

Mathematics

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The formula that approximates the annual interest rate of a monthly installment loan is given by: ? where N is the total number of payments, M is the monthly payment, and P is the amount financed. Simplify the expression for the annual interest rate r, and then approximate the annual interest rate for a  five-year car loan of $28,000 that has monthly payments of $600. (Round your answer to two decimal places.) ?

A.
B. ?
C. ?
D. ?
E. ?

Mathematics

Solve the variation problem.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is  for a resistor whose resistance is  and when the current flowing through the resistor is  find the voltage across a resistor whose resistance is  when

the current flowing through the resistor is 

A. 32 volts
B. 16 volts
C. 18 volts
D. 8 volts

Mathematics

Each type of transformation requires geometric entity(s) to define it. List the four transformations studied in this chapter.Then tell how each one is defined

What will be an ideal response?

Mathematics

Solve the problem.Julie and Eric row their boat (at a constant speed) 48 miles downstream for 6 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 8 hours. Find the rate of the current.

A. 1 mph B. 2 mph C. 7 mph D. 0.5 mph

Mathematics