# 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 13
1. ## Math

What is the smallest integer that can possibly be the sum of an infinite geometric series whose first term is 9? Please explain in steps.

asked by Jenny on January 8, 2015
2. ## precalculus

can you check my answers? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. answer: 1 Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not. -1, -3, -1, 5, 15 answer:

asked by Anonymous on December 14, 2016
3. ## math

An arithmetic progression as the same first and second terms as the geometric progression. Find the sum of the first 20 terms of the arithmetic progression. How do I do this? I tried to find the common ratio for G.P. and then substitute it to find the 20th

asked by lin on September 14, 2016
4. ## math

What number must be added to each of the numbers 1, 3, and 6 in order for the resulting numbers to form a geometric sequence?

asked by sam on September 1, 2016
5. ## Math

What is the 15th term of the sequence-3,2,7,...?

asked by Oluwamayowa on August 5, 2014
6. ## Math

What is the 23rd term of the sequence 2,4,6,8,

asked by John on October 26, 2016
7. ## math

what is the nth term in the sequence 12,6,4,3,2,12/5

asked by Lovely on June 4, 2019
8. ## Math

What is the ninth term in the following sequence? 11, 17, 23, 29 Is it 59?

asked by Rainbow Dash on October 23, 2017
9. ## algebra 2

what is the 10th term of the sequence -62, -47, -32, -7, -2

asked by kathy on March 30, 2014
10. ## maths

what is the nth term of the following sequence: 1, -1/2, 3/4, -15/8, etc

asked by sarah on January 20, 2010
11. ## math

for the sequence:1,6,11,16,...,the 50th term would be:

asked by clinton on November 27, 2010
12. ## math

Which is the 19th term in the sequence: an = -2(n - 3)?

asked by BritBoss on March 1, 2012
13. ## Maths

Which term of the sequence has a value of -123?

asked by Khahliso on March 26, 2014
14. ## Math

In the arithmetic sequence -7, -4, -1, 2,..., what term is 44?

asked by JC on June 12, 2018
15. ## math

In the sequence 2,6,10....what term has a value of 106?

asked by sahil on June 25, 2017
16. ## math

in the sequence 2,6,10,... what term has a value of 106?

asked by kevin on June 24, 2018
17. ## Algebra

1. What are the next two terms of the following sequence? 1, 5, 9... A. 27, 211 B. 10,11 C.12,15 D.13,17 2. Which of the following are examples of arithmetic sequences? Choose all that apply. A. -2,2,6,10 B. 1,3,9,27 C. 5,10,20,40 D. 5,1,-3,-7 3. What is

asked by Danielle on November 19, 2015
18. ## maths

A sequence is defined by un = 2×(−0.5)n + 3 (n = 1,2,3, . . .). Choose the option that best describes the long-term behaviour of the sequence. Options A un becomes arbitrarily small (that is, un → 0 as n→∞). B un becomes arbitrarily large and

asked by albert on May 12, 2011
19. ## maths

A sequence is defined by un = 2×(−0.5)n + 3 (n = 1,2,3, . . .). Choose the option that best describes the long-term behaviour of the sequence. Options A un becomes arbitrarily small (that is, un → 0 as n→∞). B un becomes arbitrarily large and

asked by albert on May 11, 2011
20. ## Biology

pair up your nucleoide sequence with the mRNA sequence then you will find from the amino acids in the codons what amino acids are present in the lactase production. Each dna sequence coincincids with the appropriate mRNA sequence unless there is a mutation

asked by Anonymous on April 7, 2007
21. ## math

Is it possible for the lengths of a right triangle to form a geometric sequence? If yes, determine the lengths and the measures of the acute angles. if it's not possible, explain why not.

asked by sophie on May 22, 2011
22. ## Math

I NEED URGENT HELP WITH THIS QUESTION!!!! Question: The terms of a geometric sequence are 4x+1, x+4, and 10-x. Determine the value of x.

asked by Lara on January 22, 2019
23. ## Algebra 1

Which function best models the geometric sequence 2, 4, 8, 16, 32, … ? A. A(n) = 2n B. A(n) = 2^n C. A(n) = n^2 D. A(n) = n^2 + 1 I got B is that correct? Please correct me if I am wrong

asked by Kaashif on May 1, 2016
24. ## calculus

Which is the sixth term in the expanded form of this binomial? 14(x)^3 280(x)^2 280(x)^3/2 672x 448x

asked by HELP! on November 27, 2012
25. ## Algebra 1

-2, -12, -72, -432 find the 8th term 0.2, 1.6, 12.8, 102.4 find the 6th term 24, 12, 6, 3 find the 7th term

asked by Lina on February 4, 2016
26. ## kite

the sixth term of an arithmetic progression is 21 and the sum of the first 17 terms is 0. write the first three terms.

asked by chalton on October 14, 2015
27. ## math

find the 15th term in the geometric sequenc below 20,10,5,2.5,.... a. - 25 b. - 5 4096 4096 c. 5 d. 25 4096 4096

asked by Julie on May 16, 2013
28. ## math

In an AP, the thirteenth term is 27, and the seventh term is three times the second term. Find the first term,?

asked by Babueddie on January 20, 2012
29. ## math sequences and series

how do i solve if t1=1/2 and tn=tn-1+1/n(n+1), determine an explicit formula for the general term. (hint: it is neither arithmetic nor geometric. write out the first few terms)

asked by alicia on May 31, 2010
30. ## Algebra/Number Theory

In a sequence of four positive numbers, the first three are in geometric progression and the last three are in arithmetic progression. The first number is 12 and the last number is 452. The sum of the two middle numbers can be written as ab where a and b

asked by John Berkhamp on July 23, 2013
31. ## Series

One sequence of alternating terms of the series 1+2+3+4+5+8+... forms an arithmetic progression, while the other sequence of alternating terms forms a geometric progression. Sum the first 10 terms of each progression and hence find the sum of the first 20

asked by youngguru on March 16, 2017
32. ## math

what is the 10th term in this arithemetic sequence of 2,9,16,23,30?

asked by lesly on February 28, 2011
33. ## math

what is the general term of this sequence 1,2,4,8....4096

asked by tshepo kobe on April 15, 2013
34. ## Algebra 2

What is the 20th term of the sequence that begins -2,4,-8,16.....?

asked by Caleb on May 24, 2014
35. ## math

Give the next term in the following sequence: 16, 36, 64, 81, 100, ...

asked by Kiraiki on February 2, 2016
36. ## math

Which is the eighth term in the sequence an=-1/125(5^n-1)

asked by Beth on March 10, 2012
37. ## Algebra

What is the formula for the nth term of this sequence: 2, 6, 12, 20...

asked by Anonymous on January 14, 2017
38. ## Math (HELP)

3. What is the 8th term in the following sequence? 28, 33, 38, 43 . . . (1 point) 48 58 63*** 73

asked by Tyler Belvins on October 24, 2018
39. ## Math

Is it possible for the sequence t(n)=5*2n(n is superscript) to have a term with the value of 200?

asked by MIKE on October 3, 2012
40. ## Algebra

What is the 20th term in the following arithmetic sequence? 1/2, 1, 3/2, 2

asked by Alexis on October 19, 2011
41. ## Algebra

What is the formula for the nth term of the following sequence: 1, 4, 9, 16....

asked by Anonymous on January 13, 2017
42. ## maths

what is the nth term for the following sequence which begins 7, 11, 15, 19, 23

asked by sarah on June 5, 2011
43. ## math

What is the value of the 30th term in the following arithmetic sequence? 12, 6, 0, -6, ...

asked by Jobe on January 23, 2015
44. ## algebra

Which is the eighth term in the sequence an=-1/125(5^n-1)

asked by Beth on March 10, 2012
45. ## maths

What is the 50th term of the linear sequence below? 27 , 25 , 23 , 21 , 19 ,

asked by ro on October 16, 2018
46. ## math sequence

5th term for recursive sequence: a(1) = 1 a(n+1)=3a(n)-1

asked by jack on August 25, 2017
47. ## math

what is the eighth term of the sequence of the expression:5(n+2)?

asked by brian on March 18, 2010
48. ## math

the nth term of a sequence is represented by 3 x 22¨Cn

asked by Anonymous on September 1, 2014
49. ## math(geometric series)

which term of the sequence 18,12,8,.... is 512/729 is ?

asked by Ana.... on December 19, 2016
50. ## Math

Solve for the 101st term of the sequence: 6-p, 4+p, 2+3p, 5p, … .

asked by Annika on June 15, 2014
51. ## Math

Determine whether the sequence is arithmetic, geometric, both or neither. 16, 8, 4, 2 A. arithmetic B. Goemetric C. Neither D. Both

asked by Darkdream on January 30, 2018
52. ## math

what is the recursive formula when given the explicit formula for the geometric sequence

asked by Tori on June 24, 2016
53. ## maths

if the 8th term of an AP is 37 and the 5th term is 15 more than the 12th term. find the AP. hence find the sum of the first 15 terms of the AP.

asked by manisha on February 21, 2016
54. ## Math

What is the common difference of an arithmetic sequence if the sum of the second and fourth terms is 0, and the sum of the sixth and eighth terms is 12?

asked by Anonymous on December 26, 2010
55. ## Math

The first prize in a lottery is \$250 000. Each winner chosen after the first is paid 20% as much as the winner before them. Determine a formula for the sum of n terms of the geometric sequence.

asked by Alex on September 19, 2014
56. ## Math-please check

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--- 2. Find the next three terms of the sequence.

asked by Rose on March 9, 2018
57. ## h.p.

the arithmetic mean of two numbers exceeds the geometric mean by 3/2 and geometric mean excceeds the harmonic mean by 6/5. find the numbers.

asked by warnar on December 8, 2016
58. ## HELP.

Choose a formula for the nth term of the sequence: a2 , a4 , a6 , ... 2 4 8 a^2n 2^n a^2n 2n a^2n 2+n 2^n a

asked by Holly on May 21, 2013
59. ## Sequence

What is the fifth term of the sequence a sub n=5-n^2? a)-11 b)-20 c)-7 d)-5 I believe that the answer that fits the best is d, but I could be wrong.

asked by raven 31791 on March 8, 2007
60. ## MATH PLS HELp

Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

asked by kazz on January 8, 2013
61. ## algerbra 9th grade

What is the 30th term in a sequence given by the explicit function A(n) = -1 + (n – 1)2? A. -57 B. -1 C. 57 D. 63

asked by cutie pie on November 2, 2018
62. ## Maths

In the arithmetic sequence 5;7;10;13 which term is greater than 150

asked by Siphosethu on February 6, 2017
63. ## math/patterns

9,1,6,11,16 what is the millionth term in this sequence?can anyone explain how to work it out please,thanks.

asked by wan on May 14, 2014
64. ## Math

how many term are in the sequence of multiples of 7 between 100 and 900

asked by Doi on February 24, 2017
65. ## arithmetic

The sum to t of an Arithmatic Sequence is 1/2 t(5t-1).Determine the k term

asked by Anonymous on March 10, 2010
66. ## math

How many terms are there In an arithmetic Sequence with a common different of 4 and with the first and last term 3 and 59 Respectively.

asked by nicole on June 19, 2015
67. ## Algebra 2

Which one is a rule for the nth term of an arithmetic sequence with a8 = 56 and d = 5?

asked by Diana on November 18, 2010
68. ## maths

What is the nth term rule of the linear sequence below? 27,25,23,21,19

asked by sana on April 26, 2019
69. ## Maths

What is d nth term and d last two terms of d sequence: (a) 0^1,2^2,24^3,252^4. (b) 1,1,2,4,7,13,24. (c) 0,1,2,3,6,11

asked by Very urgent please on February 25, 2013
70. ## Algebra 2 math

What is the 32nd term of the arithmetic sequence where a1 = 12 and a13 = –60?

asked by Angel on September 19, 2011
71. ## FUNCTIONS 11

Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

asked by Help on January 8, 2013
72. ## math

Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

asked by kazz on January 8, 2013
73. ## math

let n represent the position of a term in the arithemtic sequence (-2,6,14,22,30,...)

asked by arleth on June 26, 2013
74. ## maths

Write down the general rule/term in the sequence of (1a). T5=4(5)-1 T5=20-1 T5=19

asked by mpho on January 31, 2016
75. ## maths

If the nth term of a sequence is 3 x 2^n-1, Write down the first three terms.

asked by Shane on June 15, 2013
76. ## 9gr

3.What is the next term in the sequence below? 8, 27, 64, 125, ... 216 343 18 10

asked by Olga on September 9, 2010
77. ## math

What is the 32nd term of the arithmetic sequence where a1 = -32 and a9 = -120?

asked by Anonymous on November 8, 2013
78. ## algebra

What is the 32nd term of the arithmetic sequence where a1 = 13 and a13 = –59?

asked by jes on September 29, 2011
79. ## Math

Write the first five terms of the sequence whose nth term is -7n-4.

asked by Kim on December 12, 2008
80. ## Math

1. Daniel wants to save at least 20 dollars by putting pennies in a jar daily. On first day, he puts one penny into the jar. The second day he puts 2 pennies into the same jar. On the nth day he pus n pennies into the same jar. Which day is the first day

asked by Bethany on February 22, 2015
81. ## math logic correction !!

What comes next in the sequence? st, nd, rd, th, __, __. Sorry about typos in previous question. th, th These are the two-letter endings to "ordinal" numbers, starting with the "first". See http://www.janbrett.com/piggybacks/ordinal.htm Thanks for your

asked by kelly on September 4, 2005

Find the next number in the sequence -2,4,-8,16,____ 243,-81,27,-9,____ 34,-68,136,-272,____ on the first, the sequence alternates signs, and is 2^n. Next term is -32 On the second, divide by three, alternate signs. Third, alternate signs, double...

asked by Anonymous on April 7, 2007
83. ## Math

The fifth term of an arithmetic progression is 19 and the fourteenth term is 15. Find the, first term, common difference, and sum of the first eighty terms.

asked by Destiny on December 7, 2015
84. ## abnomal child psychology

individuals with mild mental retardation can usually acquire academic skills up to approximatley the_______ grade level. a.second b.tenth c.sixth d.twelfth I went with c. sixth please help.

asked by leslie on May 5, 2011
85. ## math

pls help me out in dis ? dat says The 9th term of an Ap is 52 while d 12th term is 70 find d sum of it's 20th term?

asked by Abisola on August 7, 2013
86. ## math

The second term of an arithmetic progression is 8 and the eleventh term is -10 Find the first term, the common differrnce and sum to 15 terms

asked by may on May 9, 2016
87. ## math

An arithmetic series has third term 11. The ninth term is 5 times the second term. Find the common difference.

asked by sdgsd on November 19, 2009
88. ## St charles

The third term of an A.P is 8 and 9th term of the A.P.exceeds three times the third term by 2.find the sum of its first 19th terms.

asked by Harsha on October 20, 2015
89. ## Math

The third term of an AP is 8 and ninth term AP exceeds three times the third term by 2. Find the sum of its nineteenth terms

asked by Thilaka on July 6, 2016
90. ## Math.

The 4th term of the arithmetic progression is15 and the9th term is 35 find the 15th term.

asked by Emeka on April 28, 2016
91. ## value

the 3rd term of a gp is 63 and 5th term is 567.find the sum of the 6th term of the progression

asked by value on February 20, 2017
92. ## maths

The sum of the 3rd and 7th term of an A.P is 38 and the 9th term is 37..Find the first term and common difference

asked by benita on October 21, 2014
93. ## Maths

if the 29th term of arithmetic series is double of 19th term then find the 9th term.

asked by Arpan on January 30, 2014
94. ## Mathematics

The first term of an Arithmetic Progression is -4 and the 15th term is double the 5th. Find the 12th term of the AP

asked by KAdila on October 25, 2016
95. ## Utech

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

asked by Jennifer on May 1, 2012
96. ## additional mathematics

if the 2nd term and the 4th term of an arithmetic progression are 15 and 23 respectively, find the first term and the common difference

asked by yoyo on November 30, 2016
97. ## maths

If told that the 3rd term of a GP is 36 and the 8th term is 8748. find the first term and the common ration.

asked by crystal powell on March 6, 2013
98. ## Math

An Ap is given by K,2k/3,K/3,0.....Find the 6th term, Find the nth term. If the 20th term is equal to 15 find K

asked by Munyua on September 30, 2016
99. ## TRIG

in an arithmetic sequence a1=4 and d=8 which term is 428 Show your work

asked by Alex on May 11, 2013
100. ## Math

Identify the 35th term of an arithmetic sequence where a1= -7 and a18=95

asked by Sata on April 29, 2019