BeastMuch
What Is The 13th Term In The Fibonacci Sequence?
Term
1
2
3
4
5
6
7
8
9
Fibonacci Number
1
1
2
3
5
8
13
21
34



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waterineyes
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Next term can be found by sum of previous two terms..

waterineyes
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34 + 21 = 55 is the next term..
Like wise 55 + 34 = 89 is its next term..
Like wise find the 13th term here..

cwrw238
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each term is formed by adding the previous 2 terms
so the 10th term is 21 + 34 = 55
repeat this procedure 3 more times and you have the 13th term

BeastMuch
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Wait I add the Fibonacci numbers? or te terms?

BeastMuch
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Ohh Okay Thanks.

waterineyes
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Fibonacci..

cwrw238
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get it?

BeastMuch
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Okay I Got 142.

waterineyes
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So, what is the 13th term you got?

waterineyes
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No..
How??

waterineyes
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What you added??

BeastMuch
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I added 34+55=89
Then 55+89.
Thats wrong?

waterineyes
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55 + 89 = ??

BeastMuch
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142

BeastMuch
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Ohh crap Okay I See.

waterineyes
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How??

waterineyes
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Add it carefully..

BeastMuch
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144

cwrw238
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5 + 89 = 144

cwrw238
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yea

waterineyes
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Yep..
Do it one more time..

waterineyes
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*55??

BeastMuch
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233

waterineyes
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You got this as your 12th term, do one more time, you will get 13th term..
Yep you are right.. :)

BeastMuch
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Thank you!

cwrw238
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sorry i meant 55 + 89

waterineyes
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It is okay @cwrw238

waterineyes
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You are welcome dear..

BeastMuch
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Okay So The Next Question Asks
What is the sum of the first 13 terms in the Fibonacci Sequence?
What Does That Mean?

BeastMuch
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@cwrw238

brookester6
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@BeastMuch it's 233 btw

brookester6
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tht 13 number

BeastMuch
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Ohh So Its The Same Ting??

brookester6
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yep :]

BeastMuch
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Okay So What About This One?
What is the ratio between the 13th and 12th terms in the Fibonacci Sequence?
Round your answer to five decimal places.

brookester6
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umm not to sure bout tht one you'll have to give me a minute :)

BeastMuch
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OKay Thanks.

cwrw238
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12th term is 144 and 13th term is 233
the ratio is 233 / 144 which you can find on your calculator

BeastMuch
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Would You Divide?

cwrw238
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the sum of the first 13 terms is what it says
1+ 1 + 2 + ..... +144+ 233

cwrw238
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233 divided by 144

BeastMuch
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1.61805 ?

brookester6
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yaw

cwrw238
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1.61806 is more exact but they would probably accept 233/144 as the answer
 just write them both !!!

BeastMuch
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Haha OKay Thanks.

cwrw238
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yw