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9 February, 11:07

Solve for x and express your answer as a logarithm.

3 (5x) = 48

Simplify your answer as much as possible.

Use the following notations where necessary:

For fractions, use the / symbol to separate numerator and denominator, like this: 42/53

For logs with a base of 10, such as log107, just write the log without the base and place the value in parentheses, like this: log (7)

For logs with a base other than 10, write the base after an underscore then place the value in parentheses. For example, to write log27, write it like this: log_2 (7)

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Answers (1)
  1. 9 February, 11:32
    0
    Hello,

    3^ (5x) = 48

    ==>5x ln (3) = ln (48)

    ==>x=1/5 * ln (48) / ln (3)

    ==>x=0,70474380 ...
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