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Algebra 2

posted by on .

Can someone help me? I'm really confused.

The loudness L of a sound in decibels is given by L= 10log(base10)R, where R is the sound's relative intensity. If the intensity of a certain sound is tripled, by how many decibels does the sound increase?

  • Algebra 2 - ,

    evaluate
    L = 10log (3R)
    = 10log3 + 10logR
    = 4.77 + l0log R

    so ....

  • Algebra 2 - ,

    oh, thanks

  • Algebra 2 - ,

    wait, where'd the 4.77 come from?

  • Algebra 2 - ,

    can u do the rest of the work??

  • Algebra 2 - ,

    My Name is Mac

  • Algebra 2 - ,

    Yes

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