Solve.When a principal P earns an annual interest rate r compounded yearly, the amount A after t years is A = P(1 + r)t. How long will it take for a principal to double at 9% compounded annually? Round to the nearest whole year.
A. t ? 9 years
B. t ? 5 years
C. t ? 8 years
D. t ? 7 years
Answer: C
Mathematics
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Write the interval in set-builder notation and graph the set on a number line.(-?, 3)
A. {x|x < 3}
B. {x|x ? 3}
C. {x|x ? 3}
D. {x|x > 3}
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A. equilateral B. isosceles C. scalene
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Simplify.-7 + 4(-2) - 12
A. -34 B. -11 C. -27 D. -42
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Divide if possible.
A. 0 B. 1 C. Undefined D. 11
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