In one state lottery, anyone who picks the correct 7 numbers (in any order) wins. With the numbers 0 through 89 available, how many choices are possible?
?
A. 7,471,375,480
B. 7,471,375,552
C. 7,471,375,553
D. 7,471,375,560
Answer: D
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Solve.The population of a town was about 40,000 in 1910. In 1935, the population was about 81,000. Assuming the exponential model, what was the growth rate of the town, to the nearest hundredth of a percent, during this period?
A. 28.22 % per year B. 1.57 % per year C. 3.54 % per year D. 2.82 % per year
Solve the problem.A drilling rig cost $20,600 and has an estimated life of 8 years and a scrap value of $1,030. Find the book value at the end of 5 years using the straight-line method. Round to nearest dollar.
A. $7,725 B. $12,231 C. $8,369 D. $18,154
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.10x2 + 21x + 9
A. (10x + 3)(x + 3) B. (2x + 3)(5x + 3) C. (2x - 3)(5x - 3) D. Prime
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.
x = 18
A. {-4.50} B. {2.08} C. {-2.08} D. {-0.48}