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4 April, 11:04

What is the solution of in (x+6) - in9? Round your answer to the nearest hundredth.

x=53.50

x=60.50

x=66.50

x=72.50

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Answers (2)
  1. 4 April, 13:37
    0
    We can solve this by rewriting the equation:

    y = ln (x+6) - ln (9)

    which can also be written as

    y = ln ((x+6) / 9))

    This means that e to the power of y is equal to (x+6/9):

    e^y = (x+6) / 9

    Plugging in 2 for y:

    e² = (x+6) / 9

    9e² = x + 6

    66.501 = x + 6

    60.501 = x

    Answer is B) x = 60.50
  2. 4 April, 13:42
    0
    Ln (x+6) - ln 9 = 2

    ln (x + 6) / 9 = 2

    (x + 6) / 9 = e^2

    x + 6 = 9e^2

    x = 9e^2 - 6

    x = 60.5

    Answer: (B) x = 60.50
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