# 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

92,916 questions, page 14
1. ## Maths

Can you please help me in determining the 10th and 21st term of each arthmetic sequence

asked by Zinzi on January 25, 2016
2. ## Math

An explicit formula for the general term for the arithmetic sequence 7/4,1, 1/4, -1/2?

asked by Alex on September 17, 2014
3. ## Arithmetic

t6 + t15 = -141 and the common difference is -7. What is the first term of the sequence?

asked by Nickey on February 11, 2010
4. ## Math

How do you get the general term for a sequence that has increasing common differences? For example: 1,2,4,7,11

asked by Emily on November 15, 2010
5. ## Algebra

The second and ninth terms of an arithmetic sequence are 2 and 30 respectively. What is the fiftieth term.

asked by Matt on December 13, 2014
6. ## math

Write an equation for the nth term of the arithmetic sequence -13,-8,-3,2........

asked by Jamie-anne on April 17, 2017
7. ## Arithmetic progression

Which term will be 27 of the sequence 5,7,9,11,....: Sir this question answer 10 how it possible i am confused

asked by Vijay on October 18, 2016
8. ## Math

Write a rule for the nth term of the arithmetic sequence. -12, -5, 2, 9

asked by A on May 16, 2017
9. ## Math

What is the formula for the nth term for the following sequence: 40, 16, 6.4, 2.56, 1.024, 0.4096?

asked by Cydney on January 24, 2016
10. ## Maths

Determine the 10th 21st term of arithmetic sequence

asked by Zinzi on January 25, 2016
11. ## Math

What is the 50th term of the sequence that begins -4,2,8,14 My answer is 296

asked by Te one punch boi on May 23, 2018
12. ## Algebra

What is the 9th term of the arithmetic sequence defined by the rule below? A(n)=-14+(n-1) (2)

asked by Steve on October 23, 2014
13. ## Math

Determine the next term of sequence 3,11,19,27,35 is my line of thinking correct 43?

asked by Emma on November 10, 2014
14. ## Algebra2

What is the 50th term of the sequence that begins -2,4,10,16? My answer is 292

asked by Steve on May 18, 2017
15. ## math

Write the first five terms of the sequence defined recursively. Use the pattern to write the nth term of the sequence as a function of n. (Assume that n begins with 1.) a (subtext) 1 =4,a (subtext) (k+1) =−a (subtext) k a. a (subtext) n =4(−1)^n−1 b.

asked by leah on August 27, 2016
16. ## alg2 (sequences)

how do i find the pattern for: -4,8,-12,16 if the last number is negative, multiply by -1 then add 4 if the last number is positive, add 4, then multiply by -1 or how about termn+1 = (abs(termn))*(-1)^n, where term1 = -4, n>0 oops that last line should

asked by lily on May 3, 2007
17. ## Geometry

VISUALIZATION Name the geometric term(s) for: a paritally-opened news paper woven threads in a piece of cloth satellite dish signal

asked by Lacey on August 20, 2008
18. ## Calculus

In calculus, the sum of an infinite geometric series whose first term is 1/20 is given by the complex fraction 1/20 _____ 1-r where r is the common ratio between the terms. Simplify this expression.

asked by Anonymous on March 15, 2010
19. ## Math- Geometric solutions and problems RIA

A. -x^3 and x^11 ; 3 B. 0.6 and -0.002025; 2 C. x^2,x^6,x^10.... (A sub 20) * sorry for the sub :D but I guess that's already clear? Hehe. D. a^2/2 , a^4/4, a^6/8.... (A sub 10) E. X+1, 2x^2 + 2x, 4x^3 + 4x^2 (A sub 6) F. 32y^2, 16y^2, 8y^2 (A sub 8) *

asked by Ria on August 18, 2016
20. ## maths

find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19

asked by thabang on June 12, 2013
21. ## Geometric progression

The 7th term of a g.p. is 8 times of the 4th term. find the series if its 5th term is 48.

asked by Vijay on October 12, 2016
22. ## maths

The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .

asked by komal on March 14, 2016
23. ## maths

The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .

asked by komal on March 13, 2016
24. ## maths

The 4th term of an ap is 15 while the 7th term is 27, find the sum of the 9th and 10th term.

asked by thelma on November 23, 2014
25. ## mathematics

In a Gp the product of the second and the fourth term is double the fifth term and the sum of the first four term is 80. Find the first five terms of the Gp

asked by peace on July 2, 2019
26. ## Maths - Arithmetic Progression

The fourth term of an AP is 8 and the sum of the first ten terms is 40. Find the first term and the tenth term.

asked by Chrissey on September 25, 2012
27. ## Samuel

The 10th term of an A.P is -27 and the 5th term is -12.what is 18th term?also find sum of it's 25terms

asked by Michael on October 11, 2015
28. ## Arthemetic sequence

8 time the 8 term is equal to 12 times the twelve term.find the 20th term??

asked by Govind on August 4, 2016
29. ## MATH

In a G.P, the product of the second term and fourth term is double the fifth term and the sum of the first four terms is 80. Find the G.P.

asked by ANGELA on June 9, 2015
30. ## Math,science

The 5th term of an arithmetic progression is 23 and the 12th term is 37.find the third term and common different

asked by Glory on February 27, 2017
31. ## MATH

THE FRIST TERM OF AN A.P IS EQUAL TO TWICE THE COMMON DIFFERENCE D FIND IN TERM OF D THE 5TH TERM OF THE A.P

asked by TIMMY on October 10, 2018
32. ## math

if it's 5times the fifth term of an ap is equal to 12 times the twelfth term then find its seventeenth term

asked by gaurav on November 17, 2016
33. ## f/math

the common ratio of a g.p is 2.if the 5th term is greater than the first term by 45, find the 5tth term

asked by dennis on December 31, 2010
34. ## maths

find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19

asked by thabang on June 12, 2013
35. ## Math

The 2nd and 5th term of a.p are -7 and 56 respectively find the first term. The common ratio. The sum of the five term

asked by Tola on January 27, 2016
36. ## Maths

1) In the arithmetic progression, the 8th term is twice the 4th term and the 20th term is 40. Find the common difference and the sum of the terms from the 8th to the 20th term inclusive. 2) Find the least number of terms of the AP, 1+3+5...that are

asked by Anonymous on April 17, 2008
37. ## h.p.

find the h.p. whose 6th term is 1 and 10th term is 5. find 15th term of the series also.

asked by warnar on December 8, 2016
38. ## math

The 8th term of ap is 5time the 3rd term, while the 7th term is greater than the 4th term, write the first 5 term of the ap

asked by wale on March 30, 2012
39. ## Math(A.P)

The fourth term of an A.P is equal to 3 times the first term and the seventh term exceeds twice the third term by 2. The first term and the common difference are:

asked by Ana...... on December 28, 2016
40. ## math

The first term of a an infinite sequence is an equilateral triangle inscribed in a circle. The triangle has side n. Each new polygon in the sequence is formed by replacing the middle third of each side by two segments that have the same length as each

asked by Moyer on March 8, 2013
41. ## Math

1. Find the sum of the first 21 terms of the arithmetic sequence given by the formula an = n+5 I see that I have to plug in numbers and get the terms...but i'm sure there's a shorter way to do this instead of plugging in 21 numbers. 2. The following

asked by mysterychicken on June 7, 2013
42. ## Math

the 2nd term of a g.p is 12 more than the 1st term,given that the common ratio is half of the 1st term find the third term of the g.p

asked by ABIA on November 11, 2018
43. ## Math

write the first five terms of a sequence where the first term is 8 and the common difference is 6. My answer: 8,14,20,26,32

asked by Aria on May 15, 2017
44. ## maths

If the sum of the first 15 terms of an arthimetic sequence is 240. what is the 8th term

asked by anjna on June 30, 2011
45. ## math

How many terms of arithmethic sequence with the common difference of 4. And the first is equal to 3 and the last term 59??

asked by ralph on June 19, 2016
46. ## math

Write the first 8 terms of the meometric sequence with first term 10 and common ratio 2I.

asked by lane on April 21, 2012
47. ## Algebra

In an arithmetic sequence where a6=13 and a10=25, what is the explicit formula for the general term an?

asked by Marie on March 12, 2015
48. ## algebra

I am a little confused with the term expand. the question is find each term: the fourth term in the expansion of (4y+X)^4 I looked at pascals triangle is the answer -4X(-4y^3) does the problem call for the renaming or rearranging of x and y?

asked by lamar on June 7, 2015
49. ## arthmetic

in an arthmetic progression or series,the 13th term is 27 and the 7th iterm is 3 times the 2nd term ,find first term the common difference the sum of rhe squence

asked by Anonymous on October 12, 2011
50. ## algebra

if 1, 2, 7 and 20, respectively, are added to the first terms of an arithmetic progression, a geometric progression of four terms is obtained. find the first term and common difference of the arithmetic progression the answers are both 3 .. but i don't

asked by Sam on April 27, 2016
51. ## math

The amounts of oil pumped from an oil well in each of the years 2001 to 2004 formed a geometric progression with common ratio 0.9. The amount pumped in 2001 was 100000 barrels. Calculate in which year the amount pumped will fall below 5000. The amounts of

asked by Rashida on May 12, 2007
52. ## math

A sixth-grade class has 20 total students, while the entire middle school has 1,000 students. A census is taken of the entire school’s population to see on which day of the week every student was born. Theoretically, 14.3%, or 1/7 of the students should

53. ## Geometric progression

Fourth term of a G.P. is 40 and the tenth term is 2560. find the seventh term.

asked by Rahul on October 13, 2016
54. ## math

the 9th term of an AP is 52 while the 12th term is 70.find the sum of its 20th term

asked by Anonymous on October 14, 2011
55. ## arithmetic progression

the 9th term of an AP is 52 while the 12th term is 70. find the sum of it's 20th term?

asked by oladepo on August 6, 2013
56. ## Maths

The second term of a GP is 12, more than the first term, given that the common ratio is half of the first. Find the 3rd term of the GP

asked by Geometric progression on November 10, 2014
57. ## math

d 9th term of an Ap is 52 while d 12th term is 70. find sum of it's 20th term?

asked by oladepo on August 6, 2013
58. ## math

The 9th term of an AP is 8 and the 4th term is 20. Find the first term and the common difference.

asked by lindsay on April 6, 2013
59. ## math

The product of three consecutive term of a g.p is _64 and the first term is four times the third. find the term.

asked by abhishek mishra on August 28, 2017
60. ## Utech

The 6th term of an A.P is twice the third and the first term is 3. Find the common difference and the 10th term.

asked by Jennifer on May 1, 2012
61. ## Math

Which of the following ratios is equivalent to 1215 4510 to 1260 to 86 60/45

asked by Anna on January 28, 2019
62. ## Algebra help

I need some help I posted the first question to this a bit ago but didn't enter it correctly so sorry to those who helped! I also have a 2nd half which I understood till they added the dividing part. I need to find the first five terms of each recursive

asked by John on April 1, 2013
63. ## Math

The third, fifth and seventeenth terms of an arithmetic progression are in geometric progression. Find the common ratio of the geometric progression.

asked by Gustav on August 26, 2015
64. ## algebra 1

What is a10 for the sequence (an) = 1 + 3 (n - 1)? i go 28 is that correct? What is a7 for the sequence an = 2 + 5(n - 1)? i got 51 is that right 6x+7/5 = x, how do i find x? 30-x/10 = 2, what's the next step in solving this equation?

asked by jianna on April 11, 2011
65. ## CALCULUS

For the sequence below, determine whether they converge or not, and find the limit when the sequence converges. an=4^n/n! an=nsin(1/n)

asked by AP on June 24, 2012
66. ## math

determine the 100th term of the arithmetic sequence with t7=465 and t13=219

asked by Melissa on January 3, 2012
67. ## Math Question

What is the 50th term of the sequence that begins -6,0,6,12? 292 288 286 290

asked by Josh on May 19, 2014
68. ## arithmetic

Given that an arithmetic sequence has a common difference of 5 and sum of the first 10 terms is 245, the first term is?

asked by Donald on March 10, 2011
69. ## Algebra

What is the ninth term of the arithmetic sequence defined by the rule A(n)=-14+(n-1)(2) A)232 B)230 C)2 D)4 Thanks

asked by Joe on December 22, 2015
70. ## MATH

I'm having trouble with this problem: Guess a simple formula for the sequence that begins: -1, 1/2, -1/3, 1/4, -1/5 term(n) = (-1)^n x 1/n will do it

asked by Paul on August 13, 2007
71. ## Calculus

What is the nth term of the sequence whose first three terms are 2A + 2, 2A + 4, 2A + 6, …? a) nA+n b) 2nA+n+(2n+1) c) 2A+2n --------> my answer. Can you check for me pls? d) 2A+2n+1

asked by Alice on April 10, 2019
72. ## Math - Sequences

Could someone help me with this question?? What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? A. 15, 30, 45, 60 B. 15, 16.5, 18, 19.5 C. 15, 22.5, 33.75, 50.625 D. None of the above

asked by Amber on February 16, 2017
73. ## Math

The fifth term of an arithmetic progression is three times the second term,and the third term is 10.a)What is the first term,b)the common difference and c)the 15th term?

asked by Bethold on January 27, 2013
74. ## maths

Given that the first term of an A.P is 7 and its 10th term is twice its second calculate a)19th term b) sum of 28 term c) different between the 9th and 6th term

asked by kemi on February 4, 2014
75. ## Math

this is a difficult question for me please help! thankyou A sequence is defined recursively by an + 1 = 3an − n, a1 = 2. Find the first six terms of the sequence. a1 = a2 = a3 = a4 = a5 = a6 =

asked by lene on August 15, 2015
76. ## math asap

this is a difficult question for me please help! thankyou A sequence is defined recursively by an + 1 = 3an − n, a1 = 2. Find the first six terms of the sequence. a1 = a2 = a3 = a4 = a5 = a6 =

asked by lene on August 15, 2015
77. ## MATH!!!

an oil well produceds 2500 barrels of oil during its firt month of production. The oil company predicts its production will drop 5% each month thereafter. how many barrels of iol will this company produce in its first yeear? what formula would I use and I

asked by Anonymous on October 19, 2006
78. ## Algebra 2

Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99

asked by Amber on March 7, 2013
79. ## Algebra 2

Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99

asked by Mia on February 25, 2013
80. ## math

For some surfaces, the normal lines at any point pass through the same geometric object. What is the common geometric object for a sphere? What is the common geometric object for a right circular cylinder? Explain.

asked by anon on October 16, 2018
81. ## physics

A 31.00 kg block starts from rest at the top of a 24.0 m long 30.0° incline. Its kinetic energy at the bottom of the incline is 3645.6 J. How much work is done by friction?

asked by Brady Kershner-Hanna on February 26, 2019
82. ## Algebra--One Quick Question

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 B? Thanks -MC

asked by mysterychicken on June 18, 2010
83. ## Math - Calculus

For the following arithmetic sequence: determine the common difference. Find the next three terms of the sequence. e) 2/3 , 1/15, -8/15 I really don't get how to solve this one, I see no pattern :\

asked by Anonymous on September 11, 2011
84. ## Quadratic and exponential sequences

I need to set up a chart to find the 6th and nth terms in this sequence - and soleve for the rule or process. here's the sequence: 1,3,9,27,81 Thanks!

asked by Daniel on October 17, 2010
85. ## pre algebra

find the common ratio in the sequence 8, 12, 18, 27,..... then write the next three terms of the sequence

asked by lavena on June 20, 2010
86. ## algebra

the second and fifth terms of an arithmetic sequence are 5 and 38 respectively. Find the explicit formula for the sequence

asked by matthew on September 11, 2017
87. ## arthmetic sequence

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

asked by antonia on January 23, 2016
88. ## Algebra 2

Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100cm and a return swing of 99cm.

asked by Nicole on February 19, 2015
89. ## Algebra 2

Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100cm and a return swing of 99cm.

asked by Nicole on February 23, 2015
90. ## math

how to find the sequence then find the unknown term like 3/10 2/5 blank blank blank blank blak

asked by blujag on January 26, 2016
91. ## Pre-Calc

Find three examples of the Fibonacci sequence in nature. Write a paragraph for each example. For each example, address the following questions: How does the example relate to the Fibonacci sequence? What portions of each item or situation display the

asked by Anonymous on September 11, 2011
92. ## Math

1. Find the next three terms in the sequence. 30, 22, 14, 6, ... -3, -12, -21 -1, -8, -15 -1, -2, 3, -2, -10, -18** 2. Find the next three terms in the sequence. 3, 6, 9, 12, ... 15, 18, 20 ** 15, 19, 20 15, 18, 21 14, 18, 21 3. Find the next three terms

asked by Anastasia on February 2, 2016
93. ## math

A geometric series with the first term 7 converges to 70. What does the common ratio equal? What does the second partial sum equal?

asked by Jim on April 29, 2012
94. ## math

use words to describe the rule of the following sequence.Then find the next three ters of the sequence.2,3,and6 to illustratethe associative property of multiplication

asked by gen on October 11, 2010
95. ## maths

There are 6 terms in an A.P. 6th term is 3 times the second term and 4th term is 4 times the first term. if the 5th term is 15 find the terms

asked by jennifer on February 25, 2014
96. ## Math

It 2,3,5,8, and 12 arithmetic or geometric? Explain why My answer it that it is arithmetic because it is adding 1 more numbee then before and still is equal to its previous term. I just want to see if it is correct

asked by M on March 11, 2019
97. ## math

If the sum of the 4th term and the 7th term is 45.The sum of the 9th term is 117.Find the term when the sum of it is 600

asked by thembeka on February 16, 2017
98. ## Math(Pre=Calc)

The first term in a sequence of number is t1 = 4. The terms that follow are defined by the formula: tn - tn-1 = 3n -2. Determine the value of t50.

asked by Kate on July 6, 2011
99. ## math

7, 49, 343, 2401 Write an algebraic expression that will represent the nth term of the sequence.

asked by Isha on January 26, 2011
100. ## math

What is the fifth term in the arithmetic sequence defined by the explicit formula an=6n−4? Enter your answer in the box. a5=

asked by Jay on January 3, 2017