Solve for x & r

Discussion in 'Other Pre-University Math' started by nycmathguy, Jul 2, 2022.

  1. nycmathguy

    nycmathguy

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    IMG_20220701_204651.jpg
     
    nycmathguy, Jul 2, 2022
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  2. nycmathguy

    MathLover1

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    1.
    y=e^5.184/sqrt(x)

    sqrt(x)=e^5.184/y

    x=sqrt(e^5.184/y)

    2.
    A=P*e^(rt)

    e^(rt)=A/P

    ln(e^(rt))=ln(A/P)

    (rt)ln(e)=ln(A)-ln(P)

    (rt)*1=ln(A)-ln(P)

    rt =ln(A)-ln(P)

    r =(ln(A)-ln(P))/t
     
    MathLover1, Jul 2, 2022
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  3. nycmathguy

    nycmathguy

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    Very good. Please, use Wolfram for all replies involving algebra work.
     
    nycmathguy, Jul 2, 2022
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  4. nycmathguy

    MathLover1

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    1. just last line upload_2022-7-2_14-34-16.gif

    2. upload_2022-7-2_14-34-46.gif
     
    MathLover1, Jul 2, 2022
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  5. nycmathguy

    nycmathguy

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    nycmathguy, Jul 2, 2022
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