Solve the problem.Assume the cost of a car is $18,000. With continuous compounding in effect, find the number of years it would take to double the cost of the car at an annual inflation rate of 3%. Round to the nearest hundredth.

A. 23.10 yr
B. 349.71 yr
C. 3.27 yr
D. 326.60 yr


Answer: A

Mathematics

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Solve.Tony sold his used lawn tractor and accessories for $465. If he received four times as much money for the lawn tractor as he did for the accessories, find how much money he received for the lawn tractor.

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A helicopter makes a forced landing at sea. The last radio signal received at station C gives the bearing of the helicopter from C as  at an N 56.9 ° E altitude of 427 feet. An observer at C sights the helicopter and gives  as 12.8°. How far will a rescue boat at A have to travel to reach any survivors at B (see the figure)? Round your answer to the nearest ten feet.

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Find vectors b and c and matrix A so that the problem is set up as a canonical linear programming problem of the form: maximize cTx subject to Ax ? b and x ? 0. Do not find the solution.Maximize   x1 - 5x2 + 2x3 subject to 5x1 + x2 + 4x3 ? 26 5x1  - 4x3 ? 20and x1 ? 0, x2 ? 0, x3 ? 0

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Mathematics