Solve the problem.Find out how long it takes a $3,500 investment to double if it is invested at  compounded monthly. Round to the nearest tenth of a year. Use the formula .

A. 7.5 yr
B. 7.9 yr
C. 7.7 yr
D. 8.1 yr


Answer: C

Mathematics

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Perform the indicated conversion within metric units of length.416.3 millimeters to decimeters

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Determine whether the given value is a solution to the given equation.Is 5.6 a solution of -0.4x = -2.24?

A. No B. Yes

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Find the amount that should be invested now to accumulate the following amount, if the money is compounded as indicated.$43,000 at 5.3% compounded semiannually for 9 years

A. $26,853.90 B. $27,015.51 C. $16,146.10 D. $68,854.07

Mathematics

If the accumulated amount is $3,630 at the end of 3 years and the simple rate of interest is 7%/year, what is the principal?

a. The principal is $2,500. b. The principal is $3,990. c. The principal is $3,000. d. The principal is $3,200.

Mathematics