Use a formula to write an equation for each problem, then solve it.An artist decided to produce a painting with a width of 19 inches and a perimeter of 114 inches. What is its length?
A. length = 19 in.
B. length = 57 in.
C. length = 38 in.
D. length = 76 in.
Answer: C
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Solve.Juan is planning a border for his triangular-shaped garden. One side of the garden is 9.7 feet long, another side is 12.7 feet long, and the third side is 17.7 feet long. Find the amount of border material needed.
A. 40 feet B. 41.1 feet C. 39.1 feet D. 40.1 feet
Solve.Lucy is investing $8000 at an annual rate of 4.7% compounded annually. How much money will Lucy have after 4 years? Use the interest formula A = P
nt. Round the answer to the nearest cent.
A. $9504.00 B. $33,504.00 C. $37,355.91 D. $9613.39
Determine the validity of the argument.Some investments are risky.Real estate is an investment.Therefore real estate is risky.
A. Not valid B. Valid
Solve the problem.Together, JoAnne and Josh drove 916 miles to take the family on a vacation. Josh drove 181 miles more than twice the number of miles that JoAnne drove. How many miles did each of them drive?
A. JoAnne: 426 miles, Josh: 490 miles B. JoAnne: 195 miles, Josh: 721 miles C. JoAnne: 245 miles, Josh: 671 miles D. JoAnne: 490 miles, Josh: 426 miles