Solve the problem.The purchasing power of A dollars after t years of r% inflation is given by the model P = Ae-rt. Assume the inflation rate is currently 6.6%. How long will it take for the purchasing power of $1.00 to be worth $0.67? Round the answer to the nearest hundredth.
A. 0.61 years
B. 0.06 year
C. 6.07 years
D. 10.15 years
Answer: C
Mathematics
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Perform the indicated operation.9 lb 6 oz × 5
A. 14 lb 14 oz B. 45 lb 14 oz C. 46 lb 14 oz D. 45 lb 6 oz
Mathematics
Solve the problem.A rectangular park is 15 km long and 12 km wide. How long is a pedestrian route that runs diagonally across the park?
A. 738 km
B. 3
km
C. 6
km
D. 54 km
Mathematics
Solve the problem.Leah has $291 in her checking account. She writes a check for $41, makes a deposit for $110, and then writes another check for $132. Find the amount left in her account.
A. $228 B. $8 C. -$8 D. -$228
Mathematics
Factor the sum or difference of cubes.t3 + 343
A. (t - 7)(t2 + 7t + 49) B. (t + 7)(t2 - 7t + 49) C. (t + 7)(t2 + 49) D. (t - 343)(t2 - 1)
Mathematics