anonymous
  • anonymous
NEED HELP ON ALGEBRA! will fan and medal :)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
So here's the question
1 Attachment
anonymous
  • anonymous
@Hero :) @nincompoop :) @whpalmer4 :)
anonymous
  • anonymous
@.Sam.

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sleepyjess
  • sleepyjess
I'm not quite sure how you're supposed to put in the answer, since before the answer box they have A =, but we can still work it out together :)
anonymous
  • anonymous
@.Sam.
sleepyjess
  • sleepyjess
Okay, I'm back! :)
anonymous
  • anonymous
Alright!
sleepyjess
  • sleepyjess
Okay, so do you know Newton's 3rd law? For every action, there is an opposite and equal reaction?
anonymous
  • anonymous
Yep :)
sleepyjess
  • sleepyjess
Awesome! That's kind of what we have to do here, except using math. So if we add on one side, what will we do to get that addition to the other side of the equation?
anonymous
  • anonymous
Rationalize? I dont know :(
sleepyjess
  • sleepyjess
"\(\bf opposite\) and equal reaction"
anonymous
  • anonymous
Whaaaaat?
anonymous
  • anonymous
Please help me :( @sleepyjess
sleepyjess
  • sleepyjess
What is the opposite of addition?
anonymous
  • anonymous
Subtraction?
sleepyjess
  • sleepyjess
Yes!
sleepyjess
  • sleepyjess
Now, for this equation, we want to isolate \(p*i\), so to do that, we need to do what to the part that is being \(\bf divided\)
anonymous
  • anonymous
bf?
anonymous
  • anonymous
Not common to these terms.. sorry
sleepyjess
  • sleepyjess
Opposite of division?
sleepyjess
  • sleepyjess
I feel like I'm not making much sense :/
sleepyjess
  • sleepyjess
@whpalmer4 ?
anonymous
  • anonymous
You are making sense, just narrow down and use simple words so I can understand
anonymous
  • anonymous
English's not my mother tongue, so please forgive me
anonymous
  • anonymous
@sleepyjess you there
anonymous
  • anonymous
@nincompoop
zpupster
  • zpupster
\[1-\frac{ 1 }{ (1+i)^n}\] lets look at just the denominator first now lets get a common denominator the first term 1 is just \[\frac{ (1+i)^n }{ (1+i)^n }\] so together \[\frac{ (1+i)^n }{ (1+i)^n }-\frac{ 1 }{ (1+i)^n}\] or \[\frac{ (1+i)^n -1 }{ (1+i)^n }\] now when you multiply p*i by \[(1+i)^n \] in the denominator it cancels and we are left with \[A= \frac{ (p*i)(1+i)^n }{ (1+i)^n -1}\]
Sepeario
  • Sepeario
lol i thought it meant pi as in the number pi :)
anonymous
  • anonymous
Haha nah.
anonymous
  • anonymous
@ganeshie8 @nincompoop Hey guys help me to close this question :)
triciaal
  • triciaal
@sleepyjess the A in the front is just the label it is what you are finding
triciaal
  • triciaal
@MapuwanEstudent where are you stuck? @zpupster did the problem above. (I did not verify)
anonymous
  • anonymous
Im not sure its the correct answer...

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