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

93,362 questions, page 4
1. Math

The fourth term of an arithmetic sequence is less than the fifth term by 3. The seventh term is three times the fifth term. Find the common difference and the first term

asked by Wawa on December 17, 2017
2. math30

A sequence has a first term of 24 and every other term is one half of the previous term. Find a recursive formula that defines this sequence. The answer of this question is: an=an-1*1/2 Somebody can help me and let me know why is 1/2 on the formula? please

asked by alejandro on August 22, 2012
3. Algebra I

What is the 2011th term of the arithmetic sequence −4, −1, 2, 5, . . . , where each term after the first is 3 more than the preceding term?( remember -4 is the first term of the sequence.) (I posted this before but it was the wrong answer)

asked by Samay on December 5, 2017
4. Geomatic Sequence

In a geomatic sequence, the seventh term exceeds the fifth term by 1920. Find the sum of the first eleven terms if the common ratio of the sequence is 2.

asked by Nina on October 1, 2012
5. math30

Write the first three terms of a geometric sequence that has a first term of a = 7 and a common ratio, r, that satisfies r2 = 9.

asked by alejandro on September 10, 2012
6. Algebra

What are the first four terms of a geometric sequence if the common ratio is 10 and the first term is 4.5? A.4.5, .45, .045, .0045 B.4.5, 9.0, 13.5, 18.0 C.4.5, 14.5, 24.5, 34.5 D.none of the above I think this is D...?

asked by Cassie on March 19, 2013
7. Math

Hi! I need help with this question. Thank you! Directions: Write the expression for the nth term of the following geometric sequence. 5, 10, 20, 40, ...

asked by Gloria on April 20, 2015
8. math

what are the first four terms of a geometric sequence if the common ratio is 10 and the first term is 4.5 4.5 .45 .045 .0045 4.5 9.0 13.5 18.0 4.5 14.5 24.5 34.5 none of the above

asked by Nisabel on May 9, 2013
9. mathenatic

The sum of sixth term of a.p is 72 and the second term is seven times fifth term find the first term,common difference and the sum of tenth term

asked by morice on June 27, 2016
10. Geometric Progression

The second term of a geometric Progression is 12 more than the first term. If the common ratio is half of first term, find the third term.

asked by TrustGod on March 17, 2019
11. arithmetic

State whether the following sequence is arithmetic, geometric, or neither. 10, 10.25, 10.50625, 10.76890625, .... (Points : 1) arithmetic sequence geometric sequence neither

asked by catherine on October 2, 2011
12. Algebra

Write a recursive formula for the sequence 5, 18, 31, 44, 57, ... Then find the next term. I’m thinking that the answer is A. A. a1=-8; an=an-1+13. The next term is 70 B. a1=5; an=an-1+13. The next term is 70 C. a1=5; an=an-1-13. The next term is 83 D.

asked by Emma on March 8, 2019
13. math

Determine whether the sequence is geometric. If so, find the common ratio. 2, –6, 18, –54,... a. −1/3 b. 3 c. not geometric d. 2 e. –3

asked by leah on August 27, 2016
14. komenco

the first, second, and fifth term of an AP are three consecutive terms of an exponential sequence. if the first term of the linear sequence is 7 ,find it common difference

asked by solomon on December 27, 2015
15. Math

Find the next three terms in the sequence 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this

asked by Aaliyah on March 9, 2016
16. math

Find the next three terms in the sequence 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this

asked by Aaliyah on March 9, 2016
17. 9th grade algebra (sequences)

Can you check my homework please? Given the following representations, tell whether it's arithmetic/geometric, find the difference/ratio, find the explicit formula, find the recursive formula, and the given term. (This whole question was in the form of a

asked by Alexis on January 16, 2017
18. math

The first term of a linear sequence is 7.5 and the fourth term is 3.find the number of terms in the sequence if its sum is -9.

asked by naa on September 12, 2016
19. algebra

the first term of a sequence of numbers is 1. if each term after the first is the product of -2 and the preceding term, what is the 6th term of the sequence? How do I approach this problem?

asked by noko on June 2, 2011
20. Math

Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a'n to find a20, the 20th term of the sequence. a'1 = -13, d = -5

asked by Dee on December 14, 2015
21. math C2 sequences and series

The eight,fourth and second terms of an arithmetic progression form the first three terms of a geometric series. The arithmetic progression has first term A and common difference d, and the geometric progression has first term G and common ratio r. a)Given

asked by Stephan on January 2, 2017
22. maths

the third term of A.p is 12 while the seventh term is 72 find (1)common differences (2) first term (3) find the sixth term

asked by ewelade aishat on July 22, 2015
23. plz sequence sir steve reiny bob damon i need u

The three real,distint and non-zero numbers a,b,c are such that a,b,c are in arithmetic progression and a,c,b are in geometric progression. Find the numerical value of the common ratio of the geometric progression.. Hence,find an expression in terms of a

asked by pooo on January 6, 2017

The first term of the sequence is -168 and every term after the first term is 8 more than the term immediately proceeding it. Find the 88th term.

asked by Scraffii on June 10, 2012
25. math

NUMBER SEQUENCES identify the sequence as arithmetic, geometric, both, or neither. 1. 7, 9, 11, 13,... arithmetic**** geometric both neither 2. 2, 1, 1/2, 1/4,... arithmetic geometric**** both neither write a rule for the sequence 3. 1, 2, 4, 8,... start

asked by mjc_177 on March 5, 2019
26. math

determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 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 or arithmetic

asked by grannypannys on March 6, 2019
27. Algebra

Determine whether each sequence is arithmetic or geometric. Find the next three items. 1. 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.

asked by Shelin on May 18, 2014
28. math

the ninth term of an arithmetic sequence is 23 and the 33rd term of the sequence is -241 , calculate the sume of the first 15 terms of the sequence , using the formula s=n(2a+(n-1)d)/2

asked by Poppy on December 18, 2011
29. Math

1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic,

asked by May on October 9, 2015
30. algebra

an Arithmetic progression is given by k,2k/3,k/3,o.find the sixth term,the nth term and if the 20th term is 15 find k

asked by mpolokeng on November 5, 2018
31. math

how would i find the sum of the 7 term. if i have 1st term = 11 and 7th term = 704.its a geometric series. i don't know how to find the difference?

asked by Riana on January 2, 2013
32. Algebra 2

Write an equation for the nth term of the geometric sequence: -12,4,-4/3 I had a_n=-12(3)^(n-1) but that is not a choice on the multiple answers they have = -12(1/3)^(n-1) = 12(-1/3)^(n-1) = -12(-1/3)^(-n+1) = -12 (-1/3)^(n-1)

asked by Chelsey on November 17, 2007
33. Pre-Calculus

Find the twelfth term of the geometric sequence: 1/16, 1/8, 1/4.... Common ratio: 1/2 I got the ratio by dividing 1/16 by 1/8 which gave me 1/2 and I divided 1/8 by 1/4 to get 1/2-----That is how I got a common ratio of 1/2. In order to obtain the 12th

asked by Lucy on September 16, 2008
34. Math - Arithmetic Sequences

The sum of the 4th and the 14th term of an arithmetic sequence equals 22. The 9th term is 4 larger than the 4th term. Calculate the first term of the sequence. I've been trying to solve this for like an hour but I just can't figure out how to do it! I'd

asked by Max on January 14, 2012
35. Further maths

The 8th term of a linear sequence is 18th and the 12th term is 26th .find the first term,common difference and the 20th term

asked by Zainab on February 6, 2017
36. Algebra

The first element of a geometric sequence is 1 and the common ratio is 3; determine the smallest 4 digit numeral that represents an element of this geometric sequence

asked by xavier on December 16, 2012
37. math

The third,sixth and seventh terms of a geometric progression(whose common ratio is neither 0 nor 1) are in arithmetic progression. Prove dat d sum of d first three is equal to d fourth term

asked by toyinbo on March 6, 2015
38. Algebra

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and

asked by Anonymous on May 14, 2014

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and

asked by AMK on May 14, 2014
40. Math

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and

asked by AMK on May 14, 2014
41. Mathematics

The 8th term of a linear sequence is 18th and 12th term is 26.find the first term and the common difference and 2th term

asked by Sulaimon yusuf on October 12, 2015
42. Math

Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of integers. Teller's first term is the negative of Penn's first term. Each then finds the sum of terms in his sequence. If their

asked by Matt on December 15, 2014
43. Math

Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of integers. Teller's first term is the negative of Penn's first term. Each then finds the sum of terms in his sequence. If their

asked by Matt on December 14, 2014
44. math

!_,_,_,9,730,_,... terms in the sequence above are created such that each term after the first term is 1 more than the cube of the perceding term. what is the value of the first term in the sequence??

asked by fallen on March 2, 2011
45. math30

A sequence has a first term of 24 and every other term is one half of the previous term. Find a recursive formula that defines this sequence. The answer of this question is: an=an-1*1/2 Somebody can help me and let me know why is 1/2 on the formula? please

asked by alejandro on August 23, 2012
46. FURTHER MATHS

The 8th term of a linear sequence is 18 and 12th term is 26.find the first term,common difference and 20th term

asked by JANET on January 15, 2018
47. Math

If the 16th term of an arithmetic sequence is three times the fourth term, find the ratio of the 23rd term to the third term.

asked by James on June 27, 2016
48. Science

The eighth term of a linear sequence is 18 and twelveth term is 26.Find the first term,common difference and 20th term

asked by Nifemi on August 2, 2018
49. Math Algebra

The first term of a geometric progression is more than the third term by 12. The fourth term is more than the second term by 4. Find: i.the first term a and the common ratio r. ii. the n'th term of the progression.

asked by Leda on September 2, 2013
50. Math

A sequence of four integers is both arithmetic and geometric. if the sum of the four numbers is 20, find the first integer in the sequence.

asked by Erik on January 29, 2012
51. math

Find the sequence of the first five partial sums S1, S2, S3, S4, and S5 of the geometric sequence by adding terms. 9, 12, 16, 64/3, 256/9,... S1 = S2 = S3 = S4 = S5 =

asked by Krystal on May 11, 2018
52. Algebra II

Find the recursive formula for the following sequence and determine if the sequence is arithmetic or geometric. A) 3,7,11,15.... B) -5,-15,-75....

asked by Luisa on October 24, 2016
53. Algebra

Which of the following graphs of exponential functions corresponds to a geometric sequence with a 1st term of 6 and a ratio of 1/2? I'm honestly so confused on this. :(

asked by Tifini on April 26, 2013
54. Math

1. In the 30 day month of April, for every three days it rained, there were two days it did not rain. The number of days in April on which it rained was how much greater than the number of days on which it did not rain? 2. Each terms of a certain sequence

asked by Leslie on September 24, 2010
55. math

The 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one twenty fourth the 5th term.find the 4th term.(there is a mistake in the 2nd to the last statement.help locate the mistake{final answer 4th term =48).i solved to this

asked by james on November 28, 2014
56. Maths

A geometric progression has a third term of 20 band sum to infinity which is three times the first term. find the first term.

asked by Tejiri on September 10, 2011
57. Math

An arithmetic sequence has a first term of 0 and a 10th term of 15. If 10 is an output of the sequence, which term number is it? Show and explain how you know you have the correct answer.

asked by Candy on February 17, 2017
58. math

given the geometric series 1+2+4+8 find the sum between (inclusively) the 5th term and the 15th term. what I did I'm sure its wrong but I tired like that : the 5th term is 16 because the r is *2 in each term and the a5th term is : 15=1*2^n 15=2^7.5

asked by sala on June 26, 2015
59. college

The first difference of a sequence is 6, 10,14,18. The sum of the first two terms of the original sequence is 24. Find the first three term of the original sequence. the first term of the original sequence is?

asked by KIM on June 8, 2010
60. math

if an is a geometric sequence where a1=4 and the sum of an=12. how would you find the common ratio of the sequence? please help

asked by mike on May 10, 2009
61. algebra

the third term of an arithmetic sequence is 14 and the ninth term is -1. Find the first four terms of the sequence

asked by Anonymous on December 17, 2013
62. Math

In an A.P.the third term is four times the first term, and the sixth term is 17; find the series.

asked by Firoz on September 16, 2017
63. mathematics

the sixth term of an AP is 35 and 13th term is 77.find the 20th term.

asked by Anonymous on March 5, 2019
64. math

If third term of an A.P. is four times of first term and sixth term is 17. find the series.

asked by shakib malik on February 18, 2016
65. MATH

the fist term of a geometric series is 1, the nth term is 128 and the sum of the n term is 225. Find the common ratio and the number of terms?

asked by Alleyah on August 1, 2015
66. mathematics

The first, third and night terms of a linear sequence are the first three terms of an exponential sequence G. P if the seventh term of the linear sequence is 14.find the twentieth term of the linear sequence.

asked by Funke on January 26, 2017
67. Math

a geometric progression has a third term of 20 and a sum to infinity which is three times the first term. find the first term

asked by Dave on May 12, 2016
68. PreCal

Write a formula for the general term(the nth term)of the arithmetic sequence. Do not use a recursion formula. Then use the formula for a(n) to find the indicated term of the sequence Find a(11); 12, 10, 8, ... I came up with -10 ?

asked by Scott on December 18, 2007
69. Math(arithmetic & Geometric Series)

1)The sum of 6 terms of an arithmetic series is 45, the sum of 12 terms is -8. Find the first term and the common difference? 2)If in a geometric sequence the sum of the second and the third is 20 and the sum of the fourth and fifth is 320, find the common

asked by Estrick Abel on March 23, 2013
70. Math

make a table of values for the sequence 6,11,16,21,26 b) write an algebraic expression for the general term of the sequence. c) Use ur expression for the general term to calculate the 25th term in the sequence. Please help asap

asked by Asap on October 2, 2013
71. Sequence

Find the common difference and a formula formula for the nth term of the arithmetic sequence; 6, 2, -2, -6, -10,...a sub n = a)6-4n b)6-2n c)10-2n d)10-4n I think it is c but want to check. Ao is 10, then each term subtracts 4n from it....n=1, ... well if

asked by raven31792 on March 9, 2007
72. Math

1.Write a rule for the sequence -5,-4,-13,-22 2. Find the next three terms of the sequence -4.-8.-16.-32 3.What is the 9th term in the following sequence 11,17,23,29

asked by Some Random Dude 1 on March 19, 2018
73. alegebra

the first third and ninth term of a linear sequence are the first three terms of an exponential sequence.if the 7th term of the linear sequence is 14 calcuate the 20th term of the linear sequnce

asked by lynda on August 12, 2015

The first term of the sequence is -168 and every term after the first is 8 more than term immediately proceeding it. Find the 88th term.

asked by Jeconiah on June 9, 2012

The first term of the sequence is -168 and every term after the first is 8 more than term immediately proceeding it. Find the 88th term.

asked by Jeconiah on June 9, 2012
76. math

find the missing terms for the following sequence geometric sequence 96,__,__,__,6

asked by john on April 13, 2015
77. pre algebra final exam

Tell whether the sequence 1/3,0,1,-2... I'd arithmetic, geometric,or neither. Find the next three terms of the sequence

asked by Mckenzi on August 6, 2015
78. Algebra

Is this sequence 10, 15, 20, 25, 30 an arithmetic or geometric sequence? Then find the explicit formula and recursive formula for the given sequence.

asked by Steph on May 17, 2016
79. geomatry

a sequence begins -4,1,6,11 find the rule that generates the sequence. Then give the 5oth term is the sequence. What type of reasoning inductive or deductive, do you use when solving this problem?

asked by manal on October 24, 2011
80. geomatry deductive reasoning

a sequence begins -4,1,6,11 find the rule that generates the sequence. Then give the 5oth term is the sequence. What type of reasoning inductive or deductive, do you use when solving this problem?

asked by manal on October 23, 2011
81. geomatry deductive reasoning

a sequence begins -4,1,6,11 find the rule that generates the sequence. Then give the 5oth term is the sequence. What type of reasoning inductive or deductive, do you use when solving this problem?

asked by manal on October 23, 2011
82. math

5. In a geometric sequence, the sum of the first five terms is 44 and the sum of the next five terms is -11/8. Find the common ratio and first term of the series.

asked by dini on August 7, 2016
83. Math

Write a function rule for a sequence that has 25 as the sixth term. How do I do this while starting the function with A(n)?

asked by Anonymous on November 17, 2013

what is the fibonacci sequence and what is its relationship to the golden ratio? http://www.google.com/search?q=fibonacci+golden+ratio&start=0&ie=utf-8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-US:official Many websites here that can help you --

asked by Kelly on September 16, 2006
85. Math Help Please? (check my work?)

1. Find the next three terms in the sequence. 3, 12, 21, 30, . . . (1 point) 40, 50, 60 *** 38, 46, 54 39, 48, 57 36, 32, 39 2. Identify the sequence as arithmetic, geometric, or neither. 1.6, 0.8, 0.4, 0.2, . . . (1 point) arithmetic geometric *** neither

asked by Annaleigh on May 27, 2016
86. mathematics

THE 1ST, 3RD AND 9TH TERM OF A LINEAR SEQUENCE A.P ARE THE 1ST THREE TIMES OF G.P. IF THE 7TH TERM OF THE LINEAR SEQUENCE IS 14. CALCULATE (A) 20TH TERM OF THE LINEAR SEQUENCE (B) SUM OF THE 1ST, 12TH TERM OF THE G.P

asked by AYOMIDEY on March 5, 2015
87. maths

The fith term of an arithmetic sequence is 23 and the 21th term is 72 Determine the first three terms of the sequence and the nth term

asked by lerato on January 18, 2017
88. math

still need help: Write an arithmetic sequence that has a common difference of 4 and the eighth term is 13. What is the first term? What is the 23rd term in the sequence

asked by Randy on June 18, 2016
89. Algebra Help

Consider the sequence 2, 6, 18, 54,... Let n = the term number in the sequence. Let A(n) = the value of the nth term in the sequence. A(1) = 2 = 2 X 3^0 A(2) = 6 = 2 X 3 = 2 X 3^1 A(3) = 18 = 2 X 3 X 3 = 2 X 3^2 A(4) = 54 = 2 X 3 X 3 X 3 = 2 X 3^3 What is

asked by Anonymous on January 28, 2014
90. Math

Consider the sequence 2, 6, 18, 54,... Let n = the term number in the sequence. Let A(n) = the value of the nth term in the sequence. A(1) = 2 = 2 X 3^0 A(2) = 6 = 2 X 3 = 2 X 3^1 A(3) = 18 = 2 X 3 X 3 = 2 X 3^2 A(4) = 54 = 2 X 3 X 3 X 3 = 2 X 3^3 What is

asked by Anonymous on January 28, 2014
91. Mathematics

. The three consecutive terms of an exponential sequence (G.P) are the second, third and sixth terms of a linear sequence (A.P). Find the common ratio of the exponential sequence.

asked by Emmanuel on May 5, 2016

Find the 7th term of geometric progression if the second term is 75, the 5th term,3/5.

asked by James on December 13, 2015
93. math

The fourth term of an ap is 1 less than twice the second term. If the sixth term is 7, find the first term.

asked by Kamil on May 5, 2016

Given that k,3k and k+1 are three consecutive terms of an A.P,find the numerical value of k.Then find the first term if 3k is the sixth term of the progression. Answer:k=1over4 a=-7over4 I got the k but the a i can't get

asked by mandy on January 12, 2015
95. Algebra I

What is the 2011th term of the arithmetic sequence −4, −1, 2, 5, . . . , where each term after the first is 3 more than the preceding term?( remember -4 is the first term of the sequence.)

asked by Samay on December 4, 2017
96. math

the first term of a sequence of numbers is 4. each term after the first is 4 more than half the preceding term, what is the fourth term of the sequence?

asked by peter on June 14, 2010
97. Math

What is the 2011th term of the arithmetic sequence -4,-1,2,5...., where each term after the first is 3 more than the preceding term? (Remeber -4 is the first term of the sequence)

asked by Bhbbbbb on December 13, 2017
98. MATH

2, -4, 8,... The first term of the sequence above is 2, and every term after he first term is -2 times the preceding term. How many of the first 50 terms of this sequence are less than 100? (A) 22 (B) 25 (C) 28 (D) 30 (E) 37

asked by allison on April 24, 2011
99. Maths

The 5th term of an exponential sequence is 4 and of 2nd term is 35(¡)find the 3rd term (¡¡)the 6th term (¡¡¡)the sum of the first 5th term?

asked by Job on May 17, 2011
100. Algebra

The following problem refers to an arithmetic sequence. If the seventh term is 9 and the fourteenth term is 16, find the term a1, the common difference d, and then find a27 and S27

asked by Keonn'a on September 27, 2018