anonymous
  • anonymous
I need help with this INTEREST question
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
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anonymous
  • anonymous
Here's the annuity formula: A=R*( (1+i)^n - 1 ) / (i)
anonymous
  • anonymous
@jhonyy9 @jim_thompson5910 @karatechopper @Mertsj @TuringTest @UnkleRhaukus

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anonymous
  • anonymous
im confused about what im supposed to do
anonymous
  • anonymous
not everyone have ms office
anonymous
  • anonymous
@saifoo.khan @luis
anonymous
  • anonymous
isn't this just a multiplication problem?
anonymous
  • anonymous
\[644.30\times 12\times 25\] is the total you pay
anonymous
  • anonymous
i dont know ive been trying to figure it out. i did try multiplying the payments by the years but that wasnt right.
anonymous
  • anonymous
you pay monthly
anonymous
  • anonymous
ok that's right. i was multiplying bu just the years instead of years times frequency of payments
anonymous
  • anonymous
ok good
anonymous
  • anonymous
why isnt the 2nd blank 155811.6?
anonymous
  • anonymous
dunno i didn't compute
anonymous
  • anonymous
nevermind!
anonymous
  • anonymous
\[644.30\times 12\times 25-865.62\times 12\times 25\]
anonymous
  • anonymous
no that is wrong
anonymous
  • anonymous
it wanted me to get that answer and then subtract it from the previous to get the difference
anonymous
  • anonymous
\[644.30\times 12\times 25-865.62\times 12\times 15\]
anonymous
  • anonymous
yup
anonymous
  • anonymous
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anonymous
  • anonymous
can you help with this one too please?
anonymous
  • anonymous
i would if i could, but i have absolutely no idea
anonymous
  • anonymous
there is some formula for this that you derive by summing a geometric series, but i don't know it. maybe it is in your book?
anonymous
  • anonymous
dont have the book. lol i have the annuity formula along with the compounding interest and simple interest formulas
anonymous
  • anonymous
i guess this requires the annuity formula, because you are investing every month (or year)
anonymous
  • anonymous
yeah thats what i used... i dont really understand the 2nd half of the question though....
anonymous
  • anonymous
the invest up to 2,900 part
anonymous
  • anonymous
use the formula for yearly at 2,900 per year
anonymous
  • anonymous
i don't know it, so i can't do it
anonymous
  • anonymous
or maybe i use the compound formula: A=P(1+ r/n)^nt

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