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Mathematics 7 Online
OpenStudy (anonymous):

if 6200 is invested in a savings account for wich intrest is compounded semi-annually, and if the 6200 turns into 7100 in three years what is the intrest rate of the savings account

OpenStudy (nincompoop):

A = P(1+(r/n))^(nt) solve for r

OpenStudy (nincompoop):

semi-annually means twice a year or every six months so that means your n = 2 t = 3 nt = 6 rewriting the formula will be A = P(1+(r/2))^(6) solve for r algebraically then plug the numbers in later also works

OpenStudy (nincompoop):

I hope you know algebra

OpenStudy (nincompoop):

NO BUENO? just waiting for the answer to fall from heaven?

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