anonymous
  • anonymous
solve this equation for x and round to the nearest 100th 1=In(x+4)
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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welshfella
  • welshfella
x + 4 = e^1 = e
welshfella
  • welshfella
solve for x
anonymous
  • anonymous
-4?

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More answers

welshfella
  • welshfella
no x + 4 = e not 0
anonymous
  • anonymous
-1.28
welshfella
  • welshfella
ln means log to the base e you can find the value of e on your calculator
anonymous
  • anonymous
i used it
welshfella
  • welshfella
looks good
welshfella
  • welshfella
recall what logs are |dw:1439319631515:dw|
anonymous
  • anonymous
it won't let me type the neg so i don't think it is neg
welshfella
  • welshfella
the log is an exponent
anonymous
  • anonymous
I'm confused on how to set it up
welshfella
  • welshfella
try practicing a few similar problems
welshfella
  • welshfella
like ;- transform to exponent form log10 100 = 2 answer 10^2 = 100
anonymous
  • anonymous
okay i understand that one
anonymous
  • anonymous
i think I'm just overthinking this
welshfella
  • welshfella
maybe remember that the log is the exponent and the base is the value that the goes 'under' the exponent
welshfella
  • welshfella
|dw:1439320224760:dw|
anonymous
  • anonymous
okay i get it kinda
welshfella
  • welshfella
yea with practice you will if a get confused i write the log10 reelation then compare it with the one in the problem log10 100 = 2 wand know that 100 = 10^2
anonymous
  • anonymous
okay yeah i get that part
welshfella
  • welshfella
so if we have ln(x + 1) = 1 e relates to 10 , x + 1 relates to 100 and 1 relates to 2
welshfella
  • welshfella
remember that ln = log to the base e
anonymous
  • anonymous
but idk where your getting the e at
anonymous
  • anonymous
anonymous
  • anonymous
so e^in(x+4)=e^1
anonymous
  • anonymous
i got a neg number
anonymous
  • anonymous
-1.28
freckles
  • freckles
that is right to the hundredths place ln is the same as log_e so the equation you had could have been written as: \[1=\log_e(x+4) \\ e^1=x+4 \text{ is the same equation in exponential form } \\ e=x+4 \\ \] and yes subtracting 4 on both sides gives you x is approximately -1.28
anonymous
  • anonymous
it said it was wrong
freckles
  • freckles
-1.28 is right
freckles
  • freckles
the equation you typed was 1=ln(x+4) which does imply to the 100ths x=-1.28
anonymous
  • anonymous
my school said that is was wrong..
welshfella
  • welshfella
well your school is wrong
welshfella
  • welshfella
are you sure your question is correct?
freckles
  • freckles
or the equation he typed is not the equation he should have typed
welshfella
  • welshfella
yes
freckles
  • freckles
or... there is one other or but very unlikely the meaning of ln in most subjects mean log base e maybe ln means log base 2 because he is in computer science :p
welshfella
  • welshfella
oh - i've never seen ln defined that way..
anonymous
  • anonymous
pleaseeeeeeeeeeeeee come to my question! :) @welshfella
anonymous
  • anonymous
i copied and pasted and we even used the right formula and everything
freckles
  • freckles
sometimes copy and paste doesn't work out so smoothly because you copying and pasting from a format that doesn't always translate over smoothly
freckles
  • freckles
the equation looks exactly like 1=ln(x+4) ?

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