# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,404 questions
1. ## algebra

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1

asked by Marissa on August 26, 2007
2. ## algebra

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1

asked by Marissa on August 24, 2007
3. ## algebra

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1

asked by Marissa on August 23, 2007
4. ## algebra(check)

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1

asked by Marissa on August 24, 2007
5. ## math

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I

asked by Jon on December 12, 2007
6. ## someone explain to me!

the third term of a geometric sequence is t3= -75 and the sixth term is t6=9375. determine the first term and the common ratio. how do I do this question I am tying really hard but I still don't comprehend this question! We have t3 = -75 and t6 = 9375. A

asked by Andrew on October 18, 2006
7. ## Algebra 2

The third and sixth terms of a geometric sequence are -75 and -9375 respectively. Find the first term, the common ratio, and an explicit rule for the nth term.

asked by Kennedy on February 19, 2015
8. ## math

the third term of a geometric sequence is t3= -75 and the sixth term is t6= 9375. determine the first term and the common ratio

asked by liza on January 4, 2011
9. ## Math

1. The fourth and seventh terms of a geometric sequence are 6 and 384, respectively. What is the common ratio and the sixth term of the sequence? 2. The fifth and eight terms of a geometric sequence of real numbers are 7! and 8! respectively. What is the

asked by Penny on March 13, 2015
10. ## mathematics

the third terms of a geometric progression is 360 and the sixth term is 1215. find the sum of the first four terms....

asked by dike Abigail on June 27, 2017
11. ## Maths

The third term of a sequence is 2(2/3) and the sixth term is 9. Find the first six terms when the sequence is; (a) arithmetic (b) geometric

asked by Shane on June 17, 2013
12. ## algebra1

Which of the following functions represents a geometric sequence? Why? Answer Choices The function f(x)=x7 represents a geometric sequence because each term is raised to the seventh power to make it greater. The function f(x)=7x represents a geometric

asked by miyah on October 9, 2017
13. ## Math *URGENT

Please give the answers and solutions for each. 1.If the second term is 2 and the seventh term of a geometric sequence is 64, find the 12th term. 2. Which term if the geometric sequence 18,54,162,486,... is 3,188,646? 3. Determine the geometric mean of 8

asked by Aliza on December 20, 2012
14. ## Math

1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½? 2. Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the first term of the sequence.

15. ## algebra

1. The geometric mean between the first two terms in a geometric sequence is 32. If the third term is 4, find the first term. 2. Insert a geometric mean between k and 1/k. 3. If 2 and 3 are two geometric means between m and n, fond the values of m and n.

asked by sylvia on July 16, 2016
16. ## math

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 *** The sequence is neither geometric nor arithmetic. 2. –4, 8,

asked by TTR+S<3 on May 2, 2014
17. ## Math

1. Find the 11th term of the geometric sequence 64, -32, 16, -8, … . 2. Find the 1st term of a geometric sequence with a 10th term -1024 and r = -2. 3. Find the sum of each infinite geometric series, if possible. a. 10 + 2 + 2/5 + ..... b. 1.2 – 2.4 +

asked by Brianna on October 7, 2014
18. ## Math Help!!!

determine whether each sequence is arithmetic or geometric. find the next three terms. 1. 14,19,24,29.... geometric, 34,39,44 arithmetic,32,36,41 arithmetic 34,39,44**** the sequence is nether geometric nor arithmetic 2. -4,8,-16,32.... arithmetic.

asked by help asap on March 24, 2015
19. ## Math

A sequence is formed by adding together the corresponding terms of a geometric sequence and and an arithmetic sequence.The common ratio of the geometric sequence is 2 and the common difference of the arithmetic sequence is 2.The first term of the new

asked by Piwo on April 12, 2012

Find the sixth term in the geometric sequence: sqrt3y^3, -3y^5, 3sqrt3y^7 Answer: -27y^13 2) Find three geometric means between -sqrt2 and -4sqrt2. Answer: -2, 2sqrt2, -4 Thanks

asked by Lucy on September 13, 2008
21. ## Algebra

I am so lost on these problems. Write a geometric sequence that starts with 3 and has a common ratio of 5. What is the 23rd term in the sequence. Write an arithmetic sequence that has a common difference of 4 and the eighth term is 13. What is the first

asked by Randy on June 17, 2016
22. ## Sj

Mathematics......Under number patterns-Geometric series If a question goes.determine the expression for the nth term of the following sequence if the a) 4th term is 24 and the 7th term is 192 in a geometric sequence.what formula do i use here?because i

asked by Mahlogonolo on July 16, 2015
23. ## maths

the third term of a geometric sequence is 6 and the sixth term is 3 over 32. Determine the first terms and the general term Tn?

asked by bahle on January 23, 2014

Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n

asked by Tony on July 10, 2012
25. ## Algebra

One question left for the night and i am stumped ... I need to find the sixth term of a geometric sequence in which a-sub-one = -7 and r = 3 .... Thanks in advance for you help!

asked by MaryJo on December 12, 2012
26. ## Algebra

One question left for the night and i am stumped ... I need to find the sixth term of a geometric sequence in which a-sub-one = -7 and r = 3 .... Thanks in advance for you help!

asked by MaryJo on December 12, 2012
27. ## Math

Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n

asked by Anonymous on July 10, 2012
28. ## Math

an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n - 3) Answer -6, -2, 2, 6 -1, 1, 3, 5 -2, -4, -6, -8 -2, 2, 6, 10 3 points Question

asked by Tony on July 17, 2012
29. ## Maths

1..The first 2 terms of a geometric progression are the same as the first two terms of an arithmetic progression.The first term is 12 and is greater than the second term.The sum of the first 3 terms od the arithmetic progression is 4/3 less than the sum of

asked by Lucas on February 3, 2013
30. ## Math

1. Find the common ratio and the 7th term of the sequence 2/9, 2/3, 2, 6, 18, ..... 2. The 3rd and 5th terms of a geometric sequence are 2 and 1/2 respectively. What is the first term? 3. Find the geometric mean between: a. 1/2 and 1/3 b. sqrt5 - sqrt2

asked by Erin on October 7, 2014
31. ## math

in a certain geometric sequence, the third term is 8 and the sixth term is 125. what is the first term?

asked by deborah on July 22, 2011
32. ## math

in a certain geometric sequence, the third term is 8 and the sixth term is 125. what is the first term?

asked by deborah on July 22, 2011
33. ## Pre-Cal

1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the

asked by Abbey on April 4, 2010

1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the

asked by Abbey on April 4, 2010
35. ## Math

Please help me with my midterm review my teacher was out sick today and idk how much longer she will be but my midterms Thursday. She only helps people who she has seen done there midterm review and gotten over half of it right so can any of you please

asked by Mark on October 20, 2015
36. ## math...

how can I tell if a sequences is airthmetic, geometric or neither? determine the first three terms of each and determine if each are airthmetic, geometric or neither. 1) tn=5t n-1+ 3 wheret 1=2 first three terms: 3,13,23 airthmetic 2)t(n)= -3(4)^n first

asked by GEORGE! on October 18, 2006
37. ## math30

Sequences 1)A sequence has a first term of 24 and every other term is one half of the previous term. a)Write the first four terms of the sequence. b)Find a recursive formula that defines this sequence. c)Find an explicit formula that defines this sequence.

asked by alejandro on August 8, 2012
38. ## algebra

can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 --3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? -43 43 __> -69 69 What is the recursive rule for the

asked by Jennifer on March 22, 2012
39. ## MATH

In an arithmetic sequence, the first term is 100 and the sixth term is 85. Find the common difference. Then, find the 50th term of the sequence. Do I use the formula an=a1+(n-1)d? If so, what would my "n" by in the equation?

asked by lYDIA on January 16, 2011
40. ## math

in an arithmetic sequence the common difference is equal to 2.the first term is also the first term of a geometric sequence. the sum of the first 3 terms of an arithmetic sequence and the sum of the first 9 terms of an arithmetic sequence form the 2nd and

asked by Brainblocked on January 30, 2015

1. Write a rule for the sequence. 8, -1, -10, -19... A. Start with 8 and add -9 repeatedly B. star with -9 and add 8 repeatedly C. start with 8 and add 9 repeatedly D. start with 8 and subtract -9 repeatedly--- 3. What is the 7th term in the following

asked by Rose on March 9, 2018
42. ## math

The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of geometric sequence with a common ratio of 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.

asked by zack on April 9, 2015
43. ## Algebra

Need to get these problems checked-- 21. Suppose inflation of money is at a rate of 3% per year in the US. How much will a \$1 candy bar cost in 30 years? 1.03^30 * 1= \$2.43 22. Find the next 3 terms of the geometric sequence 4, 10, 25. 125, 625, 3125?

asked by mysterychicken on June 17, 2010
44. ## Algebra

Need to get these problems checked-- 31. Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. a. no b. yes, common ratio of 14 c. yes, common ratio of 12 I'm stuck between A and B.. 32. What are the next three terms of

asked by mysterychicken on June 18, 2010
45. ## Algebra ASAP

pls pls help out A geometric sequence begins 36, 9, 9/4, 9/16, 9/64, . . . . (a) Find the common ratio r for this sequence. r = (b) Find a formula for the nth term an of the sequence. an = (c) Find the tenth term of the sequence. a10 =

asked by hey on August 14, 2015
46. ## math

suppose an arithmetic sequence and a geometric sequence with common ration r have the same first two terms. show that the third term of the geometric series is r^2/(2r-1) tomes the third term of the arithmetic sequence

asked by isa on February 17, 2009
47. ## MATH

A new sequence is formed by adding together the corresponding terms of a geometric sequence and an arithmetric sequence. the geometric sequence has a common ratio of 3 and the arthmetric sequence has a common difference of -2. The first two terms of the

asked by charlie123 on February 19, 2015
48. ## arithmetic

use the geometric mean to find the 7th term in a geometric sequence if the 6th term is 50 and the 8th term is 18

asked by Taylor White on March 17, 2011
49. ## math Help plz

1.Given a geometric sequence with a_1=6 and r=2/3, write an explicit formula for a_n, the nth term of the sequence. 2.A geometric sequence has a_4=4 and a_5=7. What is a?

asked by Kenneth on November 30, 2015
50. ## math

The 65th therm in a geometric sequence is 8000, and the 69th term is 500, find the 64th term using the geometric series sum formula

asked by Poppy on December 18, 2011
51. ## Math - Arithmetic & Geometric

1) Given the terms a35 = 1238 and a70 = 1483 of an Arithmetic. Find the exact value of the term a105 a sequence and sum of sequence. 2) Given a3 = 99 and a5 = 891 of a Geometric. Find the exact value of the term a7 of the sequence and the sum of sequence.

asked by Student555 on February 28, 2011
52. ## college precalculus I still dont get it

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. 1. t-3,t-2, t-1, t... 2. 3/4,1/2,1/3,2/9... 3. 1,-3/2,2,-5/2....

asked by kendrick on May 9, 2015
53. ## college precalculus

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. 1. t-3,t-2, t-1, t... 2. 3/4,1/2,1/3,2/9... 3. 1,-3/2,2,-5/2....

asked by Kendrick on May 9, 2015
54. ## precalculus no clue

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. . t-3,t-2, t-1, t... . 1,-3/2,2,-5/2....

asked by Anonymous on May 9, 2015
55. ## precalculus

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. . t-3,t-2, t-1, t... . 1,-3/2,2,-5/2....

asked by Anonymous on May 9, 2015
56. ## Maths

Eric thinks of 2 sequences.One is geometric and the other arithmetic.Both sequences start with the number 3.The common ratio of the geometric sequence is the same as the common difference of the arithmetic sequence.If the 6-th term of the geometric

asked by Lucas on February 3, 2013
57. ## Math

Find the 10th term of a nonconstant arithmetic sequence whose 1st term is 3 with the 1st, 4th, and 13th term forming a geometric sequence. I've tried doing it differently everytime, but I always come to a dead end..

asked by Anon on March 14, 2015
58. ## math

find the fifth term of geometric sequence a=-6 r=2 This website explains how to do it: http://www.mathguide.com/lessons/SequenceGeometric.html However, you must designate which term in the sequence is what you call "a". Is it the f1rst term, a1? If so, a2

asked by john on September 24, 2006
59. ## MATH!!

~Determine whether each sequence is arithmetic or geometric fund the next three terms~ *Doing a math unit test and stuck on these five* 1.14,19,24,29.... 2.-2,8,-16,32... 3.81,27,9,3... 4.What are the first four terms of an arithmetric sequence if the

asked by Makayla<3 on January 27, 2015
60. ## Math

Am I doing this correctly Use the geometric mean to find the 7th term in a geometric sequence if the 6th term is 75 and the 8th term is 48. A) 60*** B) 66 C) 57 D) 51.5 E) 59 F) 68 r^2 = 48/75 = 16/25 r = 4/5 7th term = 75 * 4/5 = 60

asked by M, S, E, on May 11, 2017
61. ## Pre-calculus

State whether the sequence is arithmetic or geometric, write a recursive and explicit formula and find the 10th term. 81, -27, 9, -3, 1... Sequence Type: geometric Recursive: _______ Explicit: ______ 10th Term: -1/243

asked by HELP on April 28, 2019
62. ## Math

If term 3=15/16, term6= 5/18 and the last term is 40/729, find the number of terms in the sequence if the sequence is geometric

asked by Linda on January 22, 2019
63. ## math

the second term of geometric sequence is 6 and the fifth term is _48. find also, in simplified form, of the first n terms of this sequence.

asked by Watson on April 2, 2019
64. ## precalc

Determine whether the sequence is geometric or arithmetic. Then give the general formula for the nth term of the sequence. 6.1, 6.9, 7.7, 8.5, 9.3,... I think it is Geometric, but i don't know how to find the formula

asked by Alex on December 5, 2011
65. ## Math

The fifth term of an eponential sequence is 4375 and the second term is 35. Find the third , sixth term and sum of the of the first five term

asked by Yunusah Amen on March 26, 2019
66. ## Maths

The first term of an arithmetic sequence is 2. The first, third and eleventh terms are the first three terms of a geometric sequence. Determine the seventh term of the geometric sequence

asked by Anonymous on March 1, 2012
67. ## Math binomial formula and sequence

a) use the binomial formula to find the 5th term of the expansion (2x - 3)^8 ------ i got 90720x? b) Find a_n, the general term for a geometric sequence, given that the fourth term, a_4 is 16 and the seventh term is -128 c) Find the sum of

asked by Kiirsty on May 25, 2014
68. ## maths

given 1,0.5,4,o.25,7,0.125,10 assume this pattern continues consistently 1.write down the 33th term in this sequence 2.determine the sum of the first 24 terms in this sequence.give the answer to five decimal place 2.1.in a geometric sequence the fourth

asked by memory on February 15, 2015
69. ## Algebra ll

Help please, I don't understand how to do this... Give an example of an arithmetic sequence that is found in the real world. Find the common difference and write a recursive and iterative rule for the sequence. Use one of the rules to find another term of

asked by Me and I on March 19, 2014
70. ## Math

The sixth term of an arithmetic sequence is 20.6 and the 9th term is 30.2. Find the 20th term and find the nth term.

asked by Anonymous on May 13, 2015
71. ## Quick Math Help

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an.

asked by Anonymous on October 11, 2016
72. ## Quick math help

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an.

asked by Anonymous on October 10, 2016
73. ## Quick math help

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an.

asked by Anonymous on October 12, 2016
74. ## Algebra

The second term of a geometric sequence is 9 and the fourth term is 81. Find the sum of the first 10 terms of this sequence. How can I find the answer?

asked by Clueless on December 29, 2017
75. ## Algebra

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 14, 19, 24, 29, . . . A.geometric, 34, 39, 44 B.arithmetic, 32, 36, 41 C.arithmetic, 34, 39, 44 D.The sequence is neither geometric nor arithmetic. I think this is C...?

asked by Cassie on March 19, 2013
76. ## Math

Please help. 51. Solve: 125=(x3)/0.3^-3 a.7 b.14 c.15 d.9 53. 49x-2 = 7Ö 7 a.-5/4 b.5/4 c.11/4 d.-11/4 60. Simplify: 2log^3 6 - log^3 4 a.3 b.6 c.4 d.2 61. Solve the equation: logb (x^2 + 7) = 2/3logb 64 a.9 b.3 c. √23 d. ±3 62. Solve: (The fifth root

asked by Holly on May 21, 2013
77. ## 7th Grade Math for Steve.. or Ms. Sue

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 ** The sequence is neither geometric nor arithmetic. 2. –4, 8,

asked by Gabby on April 28, 2013
78. ## Mathematics

Deternine the formula of the nth term of the sequence if the sum of the second and sixth terms of an arithmetic sequence is 4.the third term is 24 more than the leventh tern

asked by Rabelani on January 16, 2015
79. ## math Question

the 5th term in a geometric sequence is 160. The 7th term is 40. What are the possible values of the 6th term of the sequence +70 70 +80 80

asked by kristi on May 19, 2014
80. ## maths

Given that the sum of the first four terms of a geometric sequence is 10 and the fourth term is half the third term . find the common ratio and the first term

asked by martin np on May 18, 2016
81. ## math

in a geometric sequence the first term is 2. The 3rd term is the sum of the 1st and 2nd term. Find the ratio, and the 2 terms

asked by saraah on June 3, 2013
82. ## math

the 65th term in a geometric sequence is 8000, and the 69th term is 500. find the 64th term

asked by Annie on January 4, 2012
83. ## Can someone help me?!

The 1st, 5th and 13th terms of an arithmetic sequence are the first three terms of a geometric sequence with a common ratio 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.

asked by Jm on January 3, 2013

I need help answering these questions 1. State the Common Ratio of the following Geometric sequence 3/4 , 3/10 , 3/25 , 6/125 2. In the Arithmetic Sequence below, X = ___ 100 , ___ , _X_ , 64 3. For the Geometric Sequence below, X = ___ _X_ , 48 , ___ ,

asked by Temour on March 23, 2009
85. ## Algebra

Find the fifth term of a geometric sequence whose fourth term is 32/27 and whose seventh term is 256/729.

asked by Allyssa on March 18, 2015
86. ## math

the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 find the 10th term?

asked by ian relacion on February 7, 2013
87. ## math

the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 find the 10th term?

asked by ian relacion on February 7, 2013
88. ## Math

the 12th term in a geometric sequence is 49, and the 14th term is 2401 . Find the 15th term

asked by Melissa on December 17, 2011
89. ## pre-calculus urgent

Please help me here as well to clarify more my understanding. Let a1, a2, a3, . . . be a geometric sequence with initial term a and common ratio r. Show that a1^2, a2^2, a3^2, . . . is also a geometric sequence by finding its common ratio. Given that the

asked by Alex on August 15, 2015
90. ## maths

The 2nd term in Geometric sequence is -4 and the 5th is 32 ,find the general formula \term and the first 3 terms ,find the 18th term

asked by Awe on January 21, 2014
91. ## math

Find the fifth term of a geometric sequence whose fourth term is 8/9 and whose seventh term is 64/243.

asked by Alexis on March 16, 2015
92. ## Alg 2

The first term of a geometric sequence is 25, and the fourth term is 1\5. (a) Find the common ratio r. r = Find the fifth term. a5 = (b) Find the partial sum of the first eight terms. S8 =

asked by franey on August 15, 2015
93. ## algebra 2

What is the 20th term of the sequence that begins -3,6,-12,24? A. 524,288 B 524,288 C. 1,572,864 d. 3,145,728 The term in a geometric sequence is 160. the 7th term is 40. What are the possible values of the 6th term of the sequence? You roll a standard,

94. ## Math

Alpha writes the infinite arithmetic sequence 10, 8, 6, 4, 2, 0... Beta writes the infinite geometric sequence 9, 6, 4, 8/3, 16/9,... Gamma makes a sequence whose n^th term is the product of the n^th term of Alpha's sequence and the n^th term of Beta's

asked by Speedo on September 15, 2013
95. ## MaTh

The 23rd term in a certain geometric sequence is 16 and the 28th term in the sequence is 24. What is the 43rd term? What is the answer?

asked by Speedo on September 2, 2013
96. ## math

hi if the second term of a sequence is root(2) and the seventh term is 8 what is the nth term equation(Geometric sequence) thanks

asked by joe on March 26, 2012
97. ## Algebra

1. Find the general rule for each arithmetic or geometric sequence. 2. Calculate the 10th term for each sequence. a) a=a sub n-1*n a sub one=9 b) a sub n=a sub n-1 + 8 a sub 1=-17 c) a sub n=a sub n-1 + 2 a sub 1=9 d) a=n*a sub n-1 a sub one=1 I don't

asked by John Brown on May 3, 2016
98. ## algebra

I have 3 questions I need help with. 1) what is the 15th term of the sequence 81,27,9,... 2) what is a possible value for the missing term of the geometric sequence 39,_,975,_ 3) what is the sum of the finite arithmetic series (-5)+0+5+10+..+65

asked by lee on February 12, 2013
99. ## algebra

Margot and Francois were doing their algebra homework when Margot's dog, Pepe, bit off a piece of the paper they were working on. All they had left was a part of the sequence: 6, 12, ... and the fact that 1536 was another term of the sequence. Assuming the

asked by Anonymous on March 1, 2018