## anonymous 3 years ago solve for x 2In =(x+9) 0.4=log x 1=In(x+7) you invest 4,100 in an account that pays an interest rate of 7.5% compounded continuously. Calculate balance after of your account after 8 years? You invest 1,200 in an account that pays an interest rate of 7.25% compounded continuously calculate balance after 7 years.

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1. anonymous

instead of in put ln can you edit the question pls

2. anonymous

0.4=log x $0.4=\log_{10}x \implies 10^{0.4}=x$

3. anonymous

$1=\ln(x+7) \implies e^1=e^{\ln(x+7)}$ use $e^{\ln b}=b$

4. anonymous

I did edit it but it stills shows upas in