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
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The formula that approximates the annual interest rate of a monthly installment loan is given by:
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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.)
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A.
B. ?
C. ?
D. ?
E. ?
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
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?
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