2006-08-29 07:51:04 · 6 answers · asked by iluvhipos 3 in Education & Reference ➔ Other - Education
Wow, so many wrong answers.
Here's the correct one.
27
Geometric function of 2/3
Write the equation,
Multiply by x
Subtract the two equations and solve. :-)
The series 2/3 sums to 2. Take your original and the sum of 2/3 series and multiply by 9 (your original term) and that gets you 27.
2006-08-30 10:08:49 · answer #1 · answered by Yada Yada Yada 7 · 2⤊ 0⤋
9+6+4+7=26
but thats what i think
2006-08-29 07:57:06 · answer #2 · answered by JJ 3 · 0⤊ 1⤋
i am going to do question 6. Take the ratio time period 2 / time period a million to discover r. r = time period 2 / time period a million = 2.4 / 4 = 4 * 0.6 / 4 = 0.6 time period a million = 4 So the infintie sum = time period a million / (a million - r) = 4 / (a million - 0.6) = 4 / 0.4 = 10
2016-11-23 13:10:11 · answer #3 · answered by ? 4 · 0⤊ 0⤋
here r <1 and r>-1, there is a common ratio of 2/3, and we are exponentially decaying towards zero.
9+6+4+2.67+1.7+1.185+.79012345678790+.5267489711+.351165980974+.23411065386308+.15607376924205+.10404917949470+.... approaching somewhere around 26.8-27
2006-08-29 08:29:27 · answer #4 · answered by doc_jhholliday 4 · 0⤊ 1⤋
23?
2006-08-29 07:56:54 · answer #5 · answered by Aely 2 · 0⤊ 1⤋
a = ar + ar^2 + ar^3 + ... ?
2006-08-29 08:14:55 · answer #6 · answered by Anonymous · 0⤊ 1⤋