anonymous
  • anonymous
I need help solving these logarithmic equations, please. a) x=log(100) (10) b) x= (12)log (12) (5) I put the numbers in ()
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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dumbcow
  • dumbcow
are these correct \[x = \log_{100}10 \] \[x=12\log_{12}5 \]
anonymous
  • anonymous
Yess. I didnt know how to write them on here.
dumbcow
  • dumbcow
do you need to put them in exponential form or just need a numerical answer?

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anonymous
  • anonymous
Just the numerical answer
anonymous
  • anonymous
I have another one but Im not sure how to write it either....its log 2 2 sqrt 2 over 5?
dumbcow
  • dumbcow
ok use the change of base formula logb(x) = ln(x)/ln(b) ln is natural log, use your calculator
anonymous
  • anonymous
I know this sounds really, really dumb. But my teacher has not taught us with the caculator and Im not sure how to use it. Im sure thats what we will learn today in class. Thanks
dumbcow
  • dumbcow
well depending on your calculator its not that bad. for the first one you would press the ln button then 10 and divide by ln(100)

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