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Mathematics 19 Online
OpenStudy (anonymous):

A car cost $20,000 when it was purchased. The value of the car decreases by 8% each year. Find the rate of decay each month and select the correct answer below

OpenStudy (anonymous):

So yearly decay is *0.92^x (when x=year), per month would just be a 12th of that

OpenStudy (anonymous):

\[P=20000\times 0.92^{\frac{ m }{ 12 }}\]

OpenStudy (anonymous):

The decay depends on the current price not the original

OpenStudy (anonymous):

im confused

OpenStudy (anonymous):

−0.006924% −0.006667% −0.666667% −0.6924%

OpenStudy (anonymous):

those are the answer choices

OpenStudy (anonymous):

Its B then :/ now im confused

OpenStudy (anonymous):

oh wait its A

OpenStudy (anonymous):

\[1-(0.92^{\frac{ 1 }{ 12 }})\]

OpenStudy (anonymous):

=0.006924

OpenStudy (anonymous):

ohok i get it now. thank you

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