Question

the sum of an infinite geometric series with first term a and common ratio r < 1 is given by a/ 1-r. the sum of a given infinite geometric series is 200, and the common ratio is 0.15. What is the second term of this series?

Answer 1

\[\frac{a}{1-0.15} = 200\]

Answer 2

a = 170
170 (0.15) = 25.5

Answer 3

do you got that lol

Answer 4

are you on here

Answer 5

hey turbo just went and smoked now i is back

Answer 6

no biggie...do you understand what he did up there

Answer 7

or she or whatever

Answer 8

no lol

Answer 9

the sum of an infinite geometric series with first term a and common ratio r < 1 is given by a/ 1-r. the sum of a given infinite geometric series is 200, and the common ratio is 0.15. What is the second term of this series?

Answer 10

i dont understand how they got 170 or the equation for that matter

Answer 11

now that we can see it better....once again you want to write down all your numbers so that you can see them better...your first term will be "a"...your common ratio is going to be less than one...the formula you have to use to find it is a/1-r...make sense

Answer 12

i need to be hit upside the head cause no lol

Answer 13

oh ok wait if i read i might understand it lol ok i got that part...

Answer 14

lol...that's ok...your formula to find the first term in the sequence is a/1-r...

Answer 15

from that point you plug in the numbers that the problem gives you into the formula...make sense?

Answer 16

yeah but how do you work it out to get the 170?

Answer 17

once you have plugged in the numbers, you have to solve for a

Answer 18

do your little drawing so i can see what you are doing

Answer 19

new window this one is freezing

Answer 20

k