kobeni-chan
  • kobeni-chan
Please HELP I've been stuck for an hour ;-; John has taken out a loan for college. He started paying off the loan with a first payment of $100. Each month he pays, he wants to pay back 1.1 times as the amount he paid the month before. Explain to John how to represent his first 20 payments in sigma notation. Then explain how to find the sum of his first 20 payments, using complete sentences. Explain why this series is convergent or divergent.
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!
nincompoop
  • nincompoop
What have you got so far?
kobeni-chan
  • kobeni-chan
I don't really know where to start :/
nincompoop
  • nincompoop
That is not a good way to solve the problem, dude

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More answers

is3535
  • is3535
100 100*1.1 100*1.1^2 100*1.1^3 ... 100*1.1^19 There they are. You do the sigma notation.
is3535
  • is3535
100 + 100*1.1 + 100*1.1^2 + 100*1.1^3 + ... + 100*1.1^19 = 100(1 + 1.1 + 1.1^2 + 1.1^3 + ... + 1.1^19) = \(100\dfrac{1-1.1^{20}}{1-1.1} = 100\cdot\dfrac{5.7275}{0.1} = 5727.50\) You must be familiar with Geometric Series. Very helpful skills.
is3535
  • is3535
can you took a hour i took a 3 min
kobeni-chan
  • kobeni-chan
I'm rusty on a lot of material, I'm not looking for ridicule ;-;
is3535
  • is3535
100 + 100*1.1 + 100*1.1^2 + 100*1.1^3 + ... + 100*1.1^19 = 100(1 + 1.1 + 1.1^2 + 1.1^3 + ... + 1.1^19) = 1001−1.1201−1.1=100⋅5.72750.1=5727.50 You must be familiar with Geometric Series. Very helpful skills.
kobeni-chan
  • kobeni-chan
So I just keep raising the exponent?
is3535
  • is3535
57227.50 IS YOUR ANSWER OK MEDAL AND FAN IF YOU WANT
anonymous
  • anonymous
theres ur answer 57227.50 fan and medal
kobeni-chan
  • kobeni-chan
I need help getting to the answer! Thats not the point of OpenStudy
anonymous
  • anonymous
if ur done close the question
kobeni-chan
  • kobeni-chan
Please, I don't understand though. I get that you guys might be smarter than me or are jsut eager for medals but I need to be able to explain it.
kobeni-chan
  • kobeni-chan
@ganeshie8 do you know how to explain this?
is3535
  • is3535
IM NOT HERE FOR THE MEDAL IM HERE TO HELP
kobeni-chan
  • kobeni-chan
@is3535 Ok maybe its just your hulk face or something lol
is3535
  • is3535
YEA LOL

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