59 Answered Questions for the topic Geometric Series

02/06/17

Mathematical Statements and truth Values

P - the sun is shiningq - it is rainingr - the cat is insidea - the sun is shining and the cat is inside.b - if it is raining then the sun is not shiningc - if it is not raining the cat is not... more
Geometric Series

02/06/17

After each washing of a pair of jeans, 1.8% of the dye washes out. How much dye remains after 12 washings?

After each washing of a pair of jeans, 1.8% of the dye washes out. How much dye remains after 12 washings?
Geometric Series

01/31/17

Geometric series

The first and the last terms of a geometric series are 2 and 2048 respectively. The sum of the series is 2730. Find the number of terms and the common ratio.
Geometric Series

01/13/17

Geometric Series

1. In a geometric series, t1=3 and S3=21. Determine the common ratio and an expression for the sum of the first k terms.
Geometric Series Algebra Geometric Sequence

12/29/16

Geometric Sequence and Series

Suppose that after a tax rebate an individual spends $210. The money is then respent over and over again, each time at a rate of 70%. Determine the total amount spent. Assume that the money can be... more
Geometric Series Algebra

12/28/16

Find the sum of the finite geometric series

3+6+12+...+768
Geometric Series

10/16/16

Geometric Series Word Problem

A large school board established a phone tree to contact all of its employees in case of emergencies or inclement weather. Each of the three superintendents calls three employees who each in turn... more
Geometric Series

10/16/16

The fifth term of a geometric series is 405 and the sixth term is 1215. Find the sum of the first nine terms.

Don't know how to find the first term please explain. 
Geometric Series Geometric Sequence Arithmetic

09/20/16

Portable telephones are first sold in the country Cellmania in 1990. During 1990, the number of units sold is 160. In 1991, the number of units sold is 240 and

in 1992, the number of units sold is 360. In 1993 it was noticed that the annual sales formed a geometric sequence with first term 160, the 2nd and 3rd terms being 240 and 360 respectively. (a)... more
Geometric Series

07/24/16

Geometric Series

1. Find the sum: (1/√1 + √2) + (1/√2 + √3) + (1/√3 + √4) + ... + (1/√99 + √100)
Geometric Series Alegbra

05/01/16

find the second term of the geometric series for which s9=9841/9 and r=3

Please help me with this problem.

Geometric Series

You fish in the same pond until all the fish are caught. You catch 25% percent less fish each day until no more fish are caught. You caught a total of 360 fish. How many fish did you catch on the... more
Geometric Series

04/17/16

Determined the sum of the geometric series for a1 =-486 r= 1/3 an=-6

A1=-486 r=1/3 an =-6
Geometric Series

01/31/16

a certain retirement account gets 6% interest over a year which is.5% per month. If$300 is put into this account each month then after 14 months the amount of m

a certain retirement account gets 6% interest over a year which is.5% per month. If$300 is put into this account each month then after 14 months the amount of money in the account is Find this... more

11/22/15

How to find the closed form definition of a series?

How does one determine if the following series is arithmetic or geometric?    n  f(n)  Σ0  1     11  5     62  14   20 3  30   504  55   105   If it is arithmetic, what is the common... more

11/21/15

Stuck on this series question, any advice?

Prove Sn-1 > 2(n1/2 - 1) for all n ∈ Ν  \ {1} where   Sn = 1/√1 + 1/√2 + 1/√3 + ... + 1/√n

10/12/15

Diverges or converges?

(infinity symbol) ∑ (n^2)/(5n^2+4) n=1   How do you know if it diverges. Please explain step by step. 
Geometric Series Infinite Series

07/31/15

Does the following infinite geometric series diverge or converge? Explain. (MULTIPLE CHOICE CHOOSE ONE)

7 + 21 + 63 + 189 + . . .   a. It converges; it does not have a sum.b. It diverges; it does not have a sum.c. It diverges; it has a sum.d. It converges; it has a sum.

07/19/15

sequence/series question. PLEASE HELP!!!!

What is 32nd term if given the following      X                 Y   1                  1 2                  3 3                  6 4                  10     Please help!!!!. I can see... more
Geometric Series

07/09/15

For each of the following, decide if the given series is a geometric series. A. 5+5x+10x+15x+20x+? : Is this a geometric series?

For each of the following, decide if the given series is a geometric series.A. 5+5x+10x+15x+20x+? :  the ratio between successive terms= ( and ratio if this is not a geometric series.)B.... more
Geometric Series

07/08/15

Find the first term and the ratio between successive terms for the following geometric series. 7-21y^(2)+63y^(4)-189y^(6)+? first term = ratio =

Find the first term and the ratio between successive terms for the following geometric series.7−21y^(2)+63y^(4)−189y^(6)+?first term = ratio =
Geometric Series

06/10/15

find the ratio of an infinite geometric series if the sum is 2 and the first term is 0.5

help me to find the right solution
Geometric Series Evaluation

05/16/15

Sum of a Series like the geometric series

This might be a stretch, but I am trying to find the sum of a series similar to the geometric series (Sum of a^j, from j=0 -> j=n); where instead I am trying to find the sum of the series:... more
Geometric Series

04/28/15

use the formula to evaluate the series 1-2+4-8+...a-10

in need help

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