Use the formula a=p(1+r/n)^nt to find the amount in a compound interest account after t years compounded n times a year. mary deposited $5,600 in an account which compounded 1.9 percent quarterly and left it there for 10 years. what was the amount in the account at the end of 10 years? round to the nearest dollar.

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If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.