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anonymous
 one year ago
The population of a type of local dragonfly can be found using an infinite geometric series where a1 = 65 and the common ratio is 1/6. Find the sum of this infinite series that will be the upper limit of this population.
A. 78
B. 28
C. 11
D.32
anonymous
 one year ago
The population of a type of local dragonfly can be found using an infinite geometric series where a1 = 65 and the common ratio is 1/6. Find the sum of this infinite series that will be the upper limit of this population. A. 78 B. 28 C. 11 D.32

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sdfgsdfgs
 one year ago
Best ResponseYou've already chosen the best response.0do u know the general form of a geometric series with a1 and the common ratio?

sdfgsdfgs
 one year ago
Best ResponseYou've already chosen the best response.0why u said the ans is C?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0No i mean you put in the formula the letter c

sdfgsdfgs
 one year ago
Best ResponseYou've already chosen the best response.0Oooo sorry i mean to say an = a1*(Common Ratio)^n

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh okay . What woud the 'an' be though a1= 65 and cr = 1/6 How would you find an or letter n

sdfgsdfgs
 one year ago
Best ResponseYou've already chosen the best response.0Geometric series is a series of numbers... 1st no. = a1 2nd no. = a2 = a1*CR 3rd no. = a3 = a2*CR=a1*CR*CR .... nth no.=an=a1*(CR)^n

sdfgsdfgs
 one year ago
Best ResponseYou've already chosen the best response.0U may need to read up on geometric series before u can do this prob. plz read ur study material or check out wikipedia: https://en.wikipedia.org/wiki/Geometric_series

sdfgsdfgs
 one year ago
Best ResponseYou've already chosen the best response.0yes @Lala3712 so do u understand what a geometric series is now?

sdfgsdfgs
 one year ago
Best ResponseYou've already chosen the best response.0good :) see if u can understand this.. http://openstudy.com/study#/updates/536fda91e4b09cc1503c7c34
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