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 16
1. pchs mankon

A man make 20 deposit into an account which is set to be in an arithmetic progression if the 11 term is twice the 15 term and the first term is 10000frs a) fine the common difference b) the 11 term

asked by samson on September 10, 2015
2. maths

the sum of first 8 terms of an arithmetic progression is 156.the ratio of its 12th term to its 68th term is 1:5.calculate the first term and the fifteenth term. please help this questions please.

asked by simranpreet on December 3, 2012
3. maths

The thirteenth term of an arithmetic progrssion os 27 and the seventh term is three timees the second term. tind the first term,common difference and the sum of the first ten terms

asked by De-Graft on November 6, 2010
4. Maths

John wants to calculate the sum of a geometric series with 10 terms, where the 10th term is 5 859 37... ... series with 10 terms, where the 10th term is 5 859 375 and the common ration is 5/3. John solved the problem by considering another ... show more

asked by Alan Mathews on January 1, 2015
5. Maths

(a display of a goods in a store has to be organized in layers so that the 7th layer , from the floor, consist of 28 items while the 18th layer must have 6 items.the number of items in the different layers forms an arithmetic sequence.) (1) give the

asked by Nouvuyo on March 5, 2011
6. CALC II

Determine the convergence of the following series using the nth-partial sum or geometric series formula. The sum of n=1 to inifitiy 1/(9n^2+3n-2) How do I start? I'm guessing I should factor out the denominator but whats after that? It is close to a

asked by Ace on June 18, 2007
7. math,help

how do i find the following: is there a formula for this? Problem #15 Find the constant term that should be added to make the following expression a perfect square trinomial. x^2+7x square a few binomials and see if you can see a pattern e.g. (x+3)^2 = x^2

asked by jasmine20 on April 15, 2007
8. math

Simplify using Pascal's Triangle: state a term number of formula and a value. What term number (Tn,r)is your answer? find the sum of row 12? I know that the sum is 2^12=4096, how would you find the term number?

asked by Josh on February 14, 2013
9. math

the last two tems in a geometric series are 1080 and 6480 and the sum ofthe series is 7775 what is the first term in the series

asked by Heather on December 18, 2011
10. Maths

The 3rd term of an ap is 9 while the 11th term is -7,find the first five term of ap

asked by Daniella on February 28, 2016
11. Math

The 3rd term of an ap is 9 while the 11th term is -7 find the first five term of the ap

asked by Pelumi on September 2, 2018
12. new era

the third term of an AP is 5 while the 7th term is 13,find the 30th term of the AP

asked by cynthia on August 11, 2015
13. Math

In A P the third term is 4 the first term The 6th term is 17 find series

asked by dharamveer on November 16, 2018
14. maths

the third term of an AP is 5 while the 7th term is 13 find the 30th term of the AP

asked by cynthia on August 11, 2015
15. Maths

The 7th term of an a.p is 11 and the nth term is 3. Find the first five term

asked by Tony on January 19, 2016
16. math

The first, the third and the seventh terms of an increasing arithmetic progression are three consecutive terms of a geometric progression. In the first term of the arithmetic progression is 10 find the common difference of the arithmetic progression

asked by kudu on February 2, 2015
17. Calculus - Series

Determine if the following sequence: { (n + 1)^2 / (n^2 + 1), is ascending, descending and find the lower bound b OR the upper bound B. So I found that the sequence is descending changing the n's for x's and using the derivative. But now I'm not sure on

asked by Paul on September 19, 2012
18. math

Find a six-digit even number containing no zeros and no repeating digits in which the first digit is four more than the second digit, the third digit is one less than the sixth digit, and the fourth and fifth digits when read as a single number equal the

asked by Chris on May 7, 2012
19. math

if i have 12 markers,but one sixth of them work.wich one is equal to one sixth. A.10/12 B.8/12 c.4/12 d.2/12 Show work

asked by randy on November 7, 2007
20. arithmetic

The sum of the first 10th term of an a.p is 255,the sum of the first 20 term is 1010.find the next 2020 term of the progression

asked by Daniel on January 31, 2012
21. Maths ( arthmetic )

The fourth term of an AP is 10 and eleventh term of it exceeds three times the fourth term by 1. Find the sum of first 20 terms.

asked by Sania on July 26, 2017
22. algebra

In a G.P, the product of the 2nd and 4th term is double the 5th term, and the sum of first 4th term is 80. Find the G.P

asked by Ayanyen kess on February 7, 2016
23. Biology

. Which of the following is the term given to the sequence of nucleotides that contains the information to make a specific protein molecule? A. Promoter B. Gene C. Operator D. Locus I thinh it is B.

asked by Dulce on July 13, 2014
24. Math

Using the monthly inflation rates from usinflationcalculator/inflation/historical-inflation-rates/ find the geometric mean for the past 60 months. How does the geometric mean compare to the inflation rate

asked by Abe on October 25, 2016
25. Calculus

Which of the following statements is true for the series the summation from n=0 to infinity of (-1)^n and 5/4^n? a) The series diverges because it is geometric with r = 5/4 and a = –1. b) The series converges to 4 because it is geometric with r = -1/4

asked by Alice on May 13, 2019
26. Math

THE 4TH TERM IS 37 AN THE 6TH TERM IS 12 MORE THAN THE 4TH TERM .FIND THE FIRST AN SEVENTH TERM

asked by MATH on July 18, 2019
27. math

the 4th term is 37 and the 6th term is 12 more than the 4th term find the first and seventh term

asked by dayo on October 9, 2018
28. Science

The following DNA sequence represents a eukaryotic gene. Indicate which is the template and which is the coding strand, determine where transcription begins (assume it ends at the end of the sequence presented), write out the nucleotide sequence of the

asked by HomeworkHatesMe on March 7, 2012
29. maths

IF THE SECOND AND FORTY FIFTH TERM OF AN AP IS 10 AND 96 RESPECTIVELY. FIND THE FIRST TERM AND COMMON DIFFERENCE.ALSO FIND THE SUM OF FIRST FIFTEEN TERMS

asked by kashif on February 18, 2018
30. mathematics

The sum of first m terms of an A.P is 5m²+3m. If its nth term is 168. Find the value of m. Also find the 20th term.

asked by seema ramsing on February 13, 2016
31. Math

Term # Term Value 1 6 2 11 3 16 4 21 5 26 6 31 7 36 8 41 Write a pattern rule that tells us how the value of each term can be calculated from the term number.

asked by Angelina on December 5, 2017
32. Math

Ms. Sue i know we had our differences in the past and im sorry but i need help here is the question if 30 sixth graders own birds how many sixth graders were surveyed theirs a pie graph with 5% reptiles 5% birds 10% fish 35% cats and 45% dogs.

asked by just call me gabe on January 28, 2019
33. Math

Ty received test grades of 73%,82%,73%,77%, and 77%. a) what grade would he need to make on the sixth test to get a "C" if a "C" is at least 75% but less than 80%? b) Is it possible for Ty to get a B or better for his test average (at least 80%)? ANSWERS:

asked by Alice on January 18, 2019
34. Algebra

An initial investment of \$3 is worth \$147 after 5 years. If the annual growth reflects a geometric sequence, approximately how much will the investment be worth after 11 years? Select one: a. 50421 b. 19057 c. 327 d. 363

asked by Anonymous on February 21, 2019
35. math

if 30 sixth graders own birds how many sixth graders were surveyed theirs a pie graph with 5% reptiles 5% birds 10% fish 35% cats and 45% dogs (it`s a writing response) HELP PLEASE

asked by Larry vandermark on June 3, 2016
36. Math

The fourth term of an AP is 11 and the eighth term exceeds twice the fourth term by five.Find the AP and the sum of first 50 terms.

asked by Anshika on September 15, 2017
37. math

The sum of 8th term of an A.P is 60 while the sum of 50th term is 880. Find the 43rd term

asked by efe on April 11, 2017
38. Math

The fourth term of an AP is 11 and the eighth term exceeds twice the fourth term by 5. Find the AP and the sum of first 20 terms

asked by Pawan on August 4, 2018
39. Calculus II

Compute the first 5 terms of the sequence: {b(n)}n=1-> infinity = nsqrt(6n) + (5/6)^n. ((that is:(Bsub(n))from n=1 to infinity = nth root of 6n + (5/6)raised to n.)) If the sequence converges, find the limit.

asked by chelsea on April 15, 2014
40. maths

1) The first term of arithmetic progression is -20 and the sum of it's term is 250. find it's last term if the number of it's terms is 10 2) Find the fifth term from the arithmetic progression -12, -9, -6 hence find the sum of it's first fifty terms. 3)

asked by Amir khan on September 25, 2011
41. Math

if there are 60 sixth graders how many sixth graders owned cats (there is a circle graph showing: Reptiles:5%, Birds:5%, Fish: 10%, Cats: 35%, and dogs: 45%)

asked by ??? on February 1, 2018
42. math

if there are 60 sixth graders how many sixth graders owned cats (there is a circle graph showing: Reptiles:5%, Birds:5%, Fish: 10%, Cats: 35%, and dogs: 45%)

asked by Mr.cullison on February 2, 2018
43. algebra

the sequence 3;-2;x;-24...is quadratic sequence. find the value of x

asked by sphola on February 3, 2016
44. math

What is the rule of the sequence: 5, -10, 20, -40? find the next three in the sequence

asked by Anonymous on May 18, 2016
45. Calculus - Series4

Determine if the following sequence: { (n + 1)^2 / (n^2 + 1) }, is ascending, descending and find the lower bound b OR the upper bound B. (n + 1)^2 / (n^2 + 1) > ((n+1) + 1)^2 / ((n+1)^2 + 1) so the sequence is descending, it's the bounds I don't know how

asked by Paul on September 20, 2012
46. Managemnet? career planning

For our assignemnt, we must come up with 4 jobs we would want to pursue : • Short Term: This will be a job that you would like to do while you are in school as either a summer job or as coop student. • Medium Term or Early Career: This will be a

asked by Shinela on November 11, 2016
47. math

1. Examine the first four terms in each of the following number sequences: *2, 7, 12, 17 my formula x+5 *7, 21, 63, 189, 567 my formula x(2)+x *1000, 850, 700, 550 my formula x-150 * –10, –6, –2, 2 my formula x+4 For each sequence, what would be the

asked by cindy on June 17, 2016
48. math

Find the term of AP is 3and eleventhterm is 18. Find the number of term in the progression. Ie the sum is 81.

asked by Anonymous on March 29, 2012
49. 9th grade algebra (recursive formula)

Can you explain how to find a sub 1 in the following problem? 1. Given 2 terms in an arithmetic sequence, find the recursive formula. a sub 18 = 3362 , a sub 38 = 7362 Steps: a. Find difference: (7632 - 3362)/(38 - 18) = 4000/20 = 200 b. plug into

asked by Alexis on January 10, 2017
50. Algebra 2 Honors

Right now in my class i am learning about sequences and series and im currtently suck on this problem. "A certain sequence is defined recursively by the t1=1 , t2=2, t2n=2t2n-2, t2n+1=3t2n-1. Find the first eight terms of the sequence." thanks for your

asked by Stephanie on May 12, 2008
51. Math

1.) In the following problem, write the first five of the terms of the arithmetic sequence. a1=16.5 d=0.25 2.) Find a the correct formula for the an for the arithmetic sequence. a1=-1 d=5

asked by Lala on April 16, 2015
52. Sequences

For any sequence of real numbers A = {A_1, A_2, A_3, ... }, define *A to be the sequence {A_2 - A_1, A_3 - A_2, A_4 - A_3,..}. Suppose that all of the terms of the sequence *(*A) are 1, and that A_19 = A_92 = 0. Find A_1. Help me, please. Thanks

asked by Joebelle on January 25, 2015
53. maths

the sum of 8th term in an a.p is 150 while the sum of 20th term is 880.find the 43rd term and the sum of the 12term

asked by debby on July 12, 2016
54. Maths

The 14th term of an A.P is 96,while 25th term is 173 find the ,19th term,sum of 13th and 56th terms,product of 6th and 13th terms.

asked by Lilian on January 26, 2018
55. Maths (srithematic progression)

If the 4th term of an A.P is twice the 8th term, prove that the 10th term is twice the 11th term.

asked by Elsa on August 7, 2017
56. math

The 2nd and 5th term of G.P are 2/3 and 1/2 respectively.what is the 1st term,the 4th term and the 7th term

asked by hauwa on October 26, 2017
57. Math

Which sequence do I use to get the answer to this problem? Arithmetic or geometric? The answer is \$36,000 but I do not no how to write it out or which one to use, Can someone please help me? Thank you. A person deposited \$500 in a savings account that pays

asked by Fh on September 2, 2010
58. math

We define two numerical operations labelled T and R. The effect of T is to add 1 to a number. For example, if we apply the operation T to the number 2 three times in a row, we obtain 3, then 4, then 5. The effect of R is to find the negative reciprocal of

asked by Bob on June 4, 2018
59. maths

how many terms are there in an arithmetric sequence if it has a common difference of 3 , a last term of 30 and the sum of its terms is 135

asked by john on February 17, 2015
60. arithmetic

Please complete the following sequence so that, after the first two terms, each successive term is the average of all the preceeding terms. 20__ __ 28 __ __

asked by Marty (F) on March 19, 2012
61. Math

question 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? question 2: For the rule

asked by Nikki on January 26, 2010
62. mathematics

Question # 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? Question # 2: For the

asked by Nikki on January 27, 2010
63. Algebra

The fifth term of an arithmetic sequence is 11. If the difference between two consecutive terms is 1, what is the product of the first two terms?

asked by Jake on December 13, 2014
64. maths

1/tan60';sin90',tan60';...form a sequence. Calculate the fourth term.

asked by jay on February 26, 2015
65. calc help

consider the function f(x)= x^2/4 -6 Rn is the Riemann sum where the sample points are chosen to be the right-hand endpoints of each sub-interval. Calculate Rn for f(x)= x^2/4 -6 on the interval [0,4] and write your answer as a function of n without any

asked by amanda on November 28, 2006
66. Algebra 2

What is the 20th term of the sequence -3, 6, -12, 24 The answer is 1,572,864 i just need to know the math in order to obtain the answer.

asked by Seth on May 8, 2019
67. math

sandra wrote the sequence below 2,5,10,17,... which equation represents the rule for finding the nth term of this equation

asked by jayla on April 2, 2011
68. Algebra

In an infinite geometric progression with positive terms and with a common ratio |r|

asked by Anonymous on February 10, 2017
69. Math (fibonacci

A sequence of numbers is called a Fibonacci-type sequence if each number (after for the first two) is the sum of the two numbers which precede it. For example, 1, 1, 2, 3, 5, 8 ... is a Fibonacci- type sequence. If 1985, x, y, 200 are four consecutive

asked by Lexmo on August 8, 2014
70. Math

Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out for both problems thank you. 1). A person hired a firm to

asked by John on August 7, 2011
71. Algebra

Determine the explicit formula for each arithmetic. The 9th and 10th yerm of an arithmetic sequence are -24 and -30 respectively. What is the 30th term?

asked by Kimmy on January 18, 2016
72. Math

The first term of GP exceed the second term by 2 and the sum to infinity is 15 find the series and the sum of first 5 term

asked by Mohammad umar on October 3, 2017
73. mathematics

the Fourth term of an a.p is 37 and the 6th term is 12 more than the Fourth term.find the first and seventh terms

asked by arithmetic progression on November 3, 2015
74. c\$s college

the first term of an arithmetic progression is 3 and the fifth term is is 9.find the number of terms in the progression if the last term is 81

asked by Umaru Monsurat on November 4, 2015
75. maths

if 8th term of an AP is equal to 5 terms its second term .if the 5th term is 8 find the first 10 terms

asked by dru on September 22, 2016
76. maths

the fourth term of an ap is 11 And the eight term exceeds twice the fourth term by 5.find the ap and sum of first 20 terms.

asked by Aaradhya on January 25, 2016
77. math

if the 7th term of an a.p is twice the third term and the sum of the first four terms is-16 and the last and the last term is 72, find the number of the terms

asked by akorede on January 10, 2019
78. math help!!

the first term in a geometric series is 4 and the sum of the first three terms of the series is 64. find the sum of the first eight terms of the series.

asked by nikki on December 16, 2014
79. Math.

The first term of a geometric series is 4 and the sum of the first three terms of the series is 64. Find the sum of the first eight terms of the series.

asked by Tom on January 8, 2014
80. calculous (check)

If air resistance is neglected, a falling object travels 13 ft during the first second, 39 ft during the next, 65 ft during the next, and so on. These distances form the arithmetic sequence 13, 39, 65, ... .In this sequence, a(subscript)1 = 13 d equals 26.

asked by Tyler on December 12, 2014
81. math

Jacie is considering a job that offers a monthly starting salary of \$3000 and guarantees her a monthly raise of \$180 during her first year on the job. Find the general term of this arithmetic sequence and her monthly salary at the end of her first year/

asked by andrew on November 9, 2011
82. Precalculus 11

When subtracting 1 rational expression from another, when I'm multiplying the top & bottom of the first term by the denominator in the second term is that number automatically negative because the whole term is being subtracted? ex: (8a-3b)/7a - (2a+5b)/4b

asked by Kayla on August 13, 2017
83. Math

I cannot solve this pattern! 1,1,4,3,9,6,16,10,25,15 HINT: two different patterns are intertwined BIGGER HINT: only look at every other number This is a conjured up sequence not identifiable by any recursion formula. The first sequnece is 1 4 9 16 25 36

asked by Lin on August 25, 2006
84. math

1)Find the sum of the first eight terms of the Geometric progression 256,128,64,32 2)How many terms should be taken from the Geometric progression 4,12,36 for the sum to be 2188

asked by la bellgoss on March 19, 2011
85. Algebra 1

To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one

asked by brad on March 7, 2011
86. Grammar

Under the rule of punctuating sentences. Does this sentence seem right.or does the original sentence need no change. (1- Original Sentence) Between the sixth and seventh floors of the building in the stairwell over in the corner. My answer- The ball

asked by PatriciaQuinn on October 31, 2006
87. arithmetic

Each term of a progression is determined by adding 0.5 to the preceding term. the sum of the first 25 terms of the progression equals the square of the 25th term. calculate the possible value(s) of the first term

asked by Anonymous on February 21, 2010
88. Algebra 2

Write a rule for the nth term of the arithmetic sequence. ( I'm not sure how I'm suppose to write the numbers below a :C so bare with me ) a(2) = - 28, a(20) = 52 I used the formula a(n) = a(1) + ( n-1)d a(20) = a(1) + (20-1)d > 52 = a(1)+19d a(2) = a(1) +

asked by Sammy on March 15, 2012
89. Sequence

What is the fifth term of the sequence a sub n=5-n^2? a)-11 b)-20 c)-7 d)-5 what is your thinking on this? I think that the answer is d, -5, that seems to be the most reasonable answer.

asked by raven 31791 on March 8, 2007
90. math

a group has 6 fifth-graders, 7 sixth-graders, & 4 eighth-graders. One member of the group will win a prize. Describe the chances that the winner will be a sixth-grader

asked by kk on November 5, 2009
91. math

How do you factor 2x^2-5x+2? (x-2)(2x-1) how do you figure that out? trinomials like that can usually be done intuitively, but you should have been taught a method that you can use for general cases. Look at the first term of 2x^2 and think where that can

asked by George on May 2, 2007
92. algebra

three numbers are in harmonic progression. If the third number were decreased by 4 they would be in arithmetic progression. If the third number were decreased by 3 they would be in geometric progression. Find the third term of the harmonic progression.

asked by Ginotomba on April 18, 2016
93. Math

Find the next three terms of the sequence below. 2, 4, 8, 16,... My answers: 32, 64, 128 Find the next three terms of the sequence below. 2, -6, 18, -54,... My answers: 162, -486, 1458

asked by Anonymous on January 28, 2014
94. Community technical college

Given that 1st term of an A.P is 7 and it's 10th term is twice the second term,calculate the (a) 19th term (b)sum of 28 terms (c) difference between 9th and 6th terms

asked by Benjamin on February 3, 2013
95. Arithmatic Progression

The sum of the first 5 terms of an AP is 40 and the 7th term is equal to 4 times the second term, find the first term (a), common difference (d) and the sum of the second five terms.

asked by Achire on July 20, 2017
96. Maths

the 5th, 9th and 16th term of an AP are consecutive terms of the GP. Find. 1. the common ratio of the GP 2. given that the 13th term of the AP is 200, find the common difference of the AP.

asked by Elisha on January 19, 2016
97. math

For the Rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. For an 10 month period, the last term is and the series sum is . For a 15 month period, the last term is and the series sum is . For a 20 month

asked by stephen on March 15, 2016
98. math

For the Rule of 78, for a 12 month period, the last term in the sequence is 12 and the series sums to 78. For an 18 month period, the last term is and the series sum is . For a 24 month period, the last term is and the series sum is . For a 30 month

asked by gregory on January 21, 2016
99. math

The sum of the 1st nine terms of an arithmetic series is 216. The 1st,3rd and the 7th terms of series form the 1st three terms of a geometric series. Find the 1st term and the constant difference of the arithmetic series ?

asked by mpho makua on August 14, 2016
100. Maths

The numbers p,10 and q are 3 consecutive terms of an arithmetic progression .the numbers p,6 and q are 3 consecutive terms of a geometric progression .by first forming two equations in p and q show that p^2-20p+36=0 Hence find the values of p and q for

asked by Nyasha on July 13, 2016