sfisher2483 sfisher2483
  • 23-04-2017
  • Mathematics
contestada

8313.81=3000(1+r/12)^60 how do you get rid of the exponet

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LammettHash
LammettHash LammettHash
  • 24-04-2017
Raise both sides to [tex]\dfrac1{60}[/tex].

[tex]8313.81=3000\left(1+\dfrac r{12}\right)^{60}[/tex]
[tex]\implies8313.81^{1/60}=3000^{1/60}\left(\left(1+\dfrac r{12}\right)^{60}\right)^{1/60}[/tex]
[tex]\implies1.162=1.143\left(1+\dfrac r{12}\right)[/tex]

[tex]\implies r\approx0.1995[/tex]
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