1. Math

    What the heck is recursive? recursive: repeats Going up a stairwell is a recursion each step. knitting is a recursive process.

    asked by Kiddy i am on June 14, 2007
  2. 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
  3. Algebra

    Write a recursive formula for the following sequences: 1) 1,6,11,16... 2) 4, 12, 36, 108... 3) A ball is dropped from an initial height of 10 feet. The maximum heights the ball bounces are as shown (10 ft, 6 ft, 3.6 ft, 2.16 ft) a-write a recursive formula

    asked by INeedHelp on January 28, 2015
  4. Java programming

    A method can be directly or indirectly recursive and we will explore the differences. Discuss how and why would you trace a recursive method.

    asked by Poohboi on January 2, 2018
  5. math- Please help

    For each of the following explicit descriptions of a sequence, find a recursive description; for the recursive ones, find an explicit rule. Assume sequences start from n = 1. 1. an = 2n2 − 3n 2. a1 = 4 and an+1 = an + 2 3. a1 = −8 and an+1 = an 2 4. an

    asked by Sara V. on May 3, 2017
  6. math please please!

    Is this correct? Write an explicit and recursive formula: -5,-4,-3,-2,-1... explicit: -5N+1 recursive:An-1+1

    asked by Ellie on October 23, 2009
  7. 9th grade alegbra - geometric sequence

    Can you explain how to find explicit and recursive formula of geometric sequence given 2 terms? 23. a = -12, a = -6 ratio: -6/-12 = 1/2 explicit: a = ar^(n-1) -6 = a(1/2)^4 -6 = a(0.37) -0.010 = a??? a = -0.010(1/2)^n-1 recursive: a = ar a = -0.010(1/2)

    asked by Alexis on January 19, 2017
  8. 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
  9. 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
  10. coding

    1.write a C program to reverse the elements of array using recursive function(without using for and while loop). 2. write a C program to check the occurrence of an element in array using recursive function(without using for and while loop).

    asked by alice on March 15, 2016
  11. Advanced Algebra

    Question: Which recursive equation represents the pattern? 1 answer below » n an 1 1 2 6 3 12 4 19 Which recursive equation represents the pattern? an = an – 1 + 3n + 1 an = an – 1 + 3(n + 1) an = an – 1 + (n+3) an = an – 1 + (n-3) My answer is

    asked by Steve on December 13, 2017
  12. math

    What is the recursive rule for an=2n+11? a1=13;an=an−1+2 a1=13;an=an−1+11 a1=2;an=an−1+11 a1=11;an=an−1+2

    asked by Jay on December 22, 2016
  13. Algebra 2 (Recursive Rule)

    What is the recursive rule for the sequence? -7.4, -21.2, -35, -48.8, -62.5 I got an=an+1 -13.8 where a1=-7.4

    asked by John Smith on March 5, 2018
  14. math

    Why is there two different formulas, recursive and explicit. When do you use it?

    asked by mariam on March 5, 2017
  15. Math

    what is the recursive rule for the sequence -7.4, -21.2, -35, -48.8, -62.6 an=an-1+13.8 an=an+1+13.8 an=an+1-13.8

    asked by Jessie on April 25, 2017
  16. algebra

    third term using the recursive rule f(1)=.2 for f(n)=2f(n-1)/5 + 1

    asked by Anonymous on December 3, 2015
  17. algerbra 9th grade

    What is the recursive rule for the following sequence: -5, -3, -1, 1…? A. an = an n-1 - 5 B. an = an n-1 - 2 C. an = an n-1 + 2 D. an = an n-1 + 5

    asked by ??? on November 2, 2018
  18. Math

    How to write a recursive rul for sequences. ex.) 1,3,4,7,11

    asked by Vic on December 14, 2010
  19. algebra

    how to write recursive formula and give one example of one

    asked by sara on September 18, 2014
  20. Precalculus

    Determine a recursive formula for the sequence: 2, 5, 10, 17,......

    asked by G on September 8, 2012
  21. math sequence

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

    asked by jack on August 25, 2017
  22. math

    Find recursive and explicit formula for -40 -36 -32 -28

    asked by John on November 18, 2013
  23. math

    Write a recursive formula for the sequence: 12,-1,-14,-27...

    asked by Brittney on February 12, 2013
  24. algebra

    help I don't understand the recursive formula

    asked by sami on September 18, 2010
  25. 6th grade

    which of these patterns are recursive? a) 3,6,12,24,48,96 b) 1,4,9,16,25,36, c) 1,3,9,27,81,243 d) 4,9,19,39,79,159

    asked by Taylor on September 9, 2008
  26. Math

    Write recursive equation: 1/3,3,27,81,243

    asked by Maria on April 2, 2014
  27. Statistics

    Find a recursive formula for the sequence: 1, -1, -7, - 25

    asked by BoB on December 13, 2018
  28. Algebra

    Find the recursive formula of the sequence below: 12, 24, 36, 48

    asked by INeedHelp on February 22, 2015
  29. Algebra 1

    What is the third term of the sequence defined by the recursive rule f(1)=2, f(n)=2f(n-1)+1? Please help.

    asked by Sara on September 26, 2019
  30. math

    write a recursive formula for 8,6,4,2,0 then find a14

    asked by kiddy on February 25, 2014
  31. Algebra 2

    Write in recursive form, an=3 a n-1 + 4, a1 =7, for n greater than or equal to 2

    asked by jazzy on January 17, 2017
  32. Math

    tn - tn-1 = 2n + 3; t1 = 10 Find the first five terms in the sequence using this recursive formuls

    asked by Kate on July 11, 2011
  33. Algebra

    Formulate the recursive formula for the following geometric sequence. {-16, 4, -1, ...}

    asked by Britney on October 23, 2017
  34. Math

    Find the first five terms of the sequence using the recursive rule: a1 = 2/3, and An = 5a N-1

    asked by Annie on March 20, 2013
  35. Math

    tn - tn-1 = 2n + 3 Find the first five terms in the sequence using this recursive formuls

    asked by Kate on July 11, 2011
  36. algebra II

    I need help finding the first first 5 terms of the sequence in the recursive formula a=1?

    asked by chrissy on March 25, 2009
  37. Calculus

    Write the first five terms of the sequence defined by the recursive formula an=2(an-1)+3 with a1=-2

    asked by Lexi on December 21, 2018
  38. Math

    Write the first five terms of the sequence defined by the recursive formula an = 5an-1 -1, with a1=0

    asked by Jay on December 11, 2017
  39. database processing-computer management

    The simplest form of binary relationship is : a)1:01 am b)1:N c)12:01:00 AM d)recursivE MY ANSWER IS B ,BUT I AM NOT SURE:)

    asked by VEDRANA on June 23, 2012
  40. math

    what is the factorial of a negative number? The factorial function has singularities at the negative integers. You can see this as follows. For integers we define: (n+1)! = (n+1)n! and we put 0! = 1 So, from 0! you can compute 1! and from that you can

    asked by chris on July 10, 2007
  41. math

    Write the first 5 terms of the sequences defined by the recursive formula t1= 7, tn= 2tn-1 - 3n, n>1

    asked by Resetta on May 18, 2015
  42. Algebra 2

    Write a recursive formula for the sequence 15, 26, 48, 92, 180, ... Then find the next term.

    asked by Mimi on May 17, 2012
  43. linguistic

    extend the following sentece to illustrate the recursive feature of language(syntax) what is there?

    asked by ivy on March 9, 2009
  44. algebra

    Could someone check my work; 1. Generate the first five terms in the sequence using the explicit formula. yn = –5n – 5 –30, –25, –20, –15, –10 30, 25, 20, 15, 10 –10, –15, –20, –25, –30(my answer) 10, 15, 20, 25, 30 2. What is the

    asked by lee on February 3, 2013
  45. Algebra

    5. The local soccer team won the championship a several years ago, and since then, ticket prices have been increasing $20 per year. The year they won the championship, tickets were $50. Write a recursive formula for a sequence that will model ticket

    asked by Sandra on April 16, 2015
  46. discrete mathematics

    Give a recursive definition of the function ones(s) which counts the number of ones in a bit string s.

    asked by Nikolay on May 15, 2011
  47. Algebra 2

    What is a recursive definition for the sequence 3, 5, 9, 17, 33..... My answer was adding muliple of numbers, is this correct?

    asked by Lea on February 18, 2013
  48. Algebra Recursive sequence help

    I need some help as I'm totally lost! I need to find the first five terms of each recursive sequence. The n-1 on the problem shows it below the a. 1. A1=3 An=2a n-1- 3 2. C1=64, C2=32 Cn= Cn-2 - Cn-1/2

    asked by Kris on March 31, 2013
  49. Math

    Write the first five terms of the sequence defined by the recursive formula a(n) = 2*(a(n - 1)) + 5 with a(1) = -3 -3, -10, -24, -43, -81 -3, -1, 3, 11, 27 -3, 2, 7, 12, 17 -3, 4, 18, 46, 102 I'm trying to do this the way I've always done them (and gotten

    asked by Max on January 12, 2018
  50. Algebra

    My teacher said I have this backwards, Here is the question: Formulate the recursive formula for the following geometric sequence. {-16, 4, -1, ...} And here is my answer: A(n+1) = A(n) * -1/4 An+1 = An * r is An+1 = An * (-1/4) Please correct it

    asked by Britney on October 25, 2017
  51. math

    1. Provide two examples of a function: (1) as a table of values and (2) as a graph. Explain the definition of a function. Be sure to include mathematical vocabulary in your response. 2. In a paragraph, explain what the domain and range is for the function

    asked by lola on April 29, 2019
  52. medical electronics

    ABCD lemma is used in recursive least squares to Reduce computations Real time processing Reuse past values All of these

    asked by biomedical signal processing on February 12, 2018
  53. 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
  54. personaliyand social development

    -----is considered a powerful tool in self- development because it permits children to represent and express the self more clearly. a. language, b movement, c. a large social network, recursive thought. my answer is a.

    asked by daniela on August 1, 2014
  55. Algebra

    A = - 113 and A = -213 20 40 this is an arithmetic sequence and i have to find the explicit formula and the recursive formula how do i do that?

    asked by Rebkea on October 1, 2008
  56. algebra

    For each of the following sequences, find an explicit and a recursive description of the pattern. Assume sequences start from n = 1. a. 1, -1, -3, -5... b. 8,2,3,9... c. -2, 0, 0, -2, -6...

    asked by Sara V. on May 3, 2017
  57. algebra 1

    What is the third term of a recursive sequence that follows the pattern x - 7 and has a first term x = 100? May somebody explain the answer and how they got it? Thank you so much

    asked by rachel on January 16, 2010
  58. math

    Write the recursive formula and the explicit formula for the sequence {3,6,12,24,48,...}. Show all work.

    asked by lexi on April 30, 2019
  59. algebra

    A geometric sequence is defined by the general term tn = 75(5n), where n ¡ÊN and n ¡Ý 1. What is the recursive formula of the sequence?

    asked by Fantasia on April 27, 2016
  60. algebra

    Write a recursive formula for the sequence formula 15,26,48,92,180,.. then find the next term. can someone please help me

    asked by lee on February 5, 2013
  61. Algebra2

    write a recursive formula for the sequence 5,18,31,44,57 then find the next term. My answer is a1=5,an=an-1+13 The next term would be 70.

    asked by Steve on February 19, 2017
  62. 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
  63. C++ programming

    write a program C++ program and Use a recursive function that finds the n-th term using the following rule: tn=3tn-1+12tn-2 . please help me out!

    asked by Riana on April 3, 2013
  64. Algebra

    Find a recursive rule for the sequence 3, 6, 12, 24, … I can't decide if it's a sub n= (2)n times sub n-1 or a sub n= 1/2 times sub n-1

    asked by Emma on June 22, 2014
  65. Algebra

    For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

    asked by Britney on October 23, 2017
  66. Algebra

    For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

    asked by Britney on October 25, 2017
  67. Algebra 1B

    A geometric sequence is defined by the recursive formula t1 = 64, tn= tn-1/2 where n ∈N and n > 1. The sequence is A)-64, -16, -8, -4, -2, -1, ... B)64, 16, 8, 4, 2, 1, ... C)64, 32, 16, 8, 4, 2, ... D)64, 128, 256, 512, 1024, 2048, ... The answer is C

    asked by Soleil on February 22, 2019
  68. math

    For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

    asked by S.A on October 2, 2017
  69. Math

    For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

    asked by Sara on September 29, 2017
  70. algebra

    thank you Steve for helping me out. Accurately classify the sequence and then create a corresponding explicit and recursive formula for finding the nth terms of each sequence. A. 32, 30, 28, 26,..... B. 9,-3, 1, - _1 .......

    asked by matthew on September 12, 2017
  71. Math-examples?

    Can anyone give an example of recursive method, explicit method using the variable n?

    asked by Helen on December 20, 2013
  72. Math-examples?

    Can anyone give an example of recursive method, explicit method using the variable n?

    asked by Helen on December 20, 2013
  73. math

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

    asked by Tori on June 24, 2016
  74. Pre-Cal

    Recursive Sequences: find a formula for: 1,1,2,3,5,8,13,21 It looks like the Fibonacci sequence. Take the first two numbers and add them to get the 3rd. take the 2nd and third to get the fourth...etc. yeah, but how would i write that into a formula?

    asked by James on December 6, 2006
  75. Math

    Turn the recursive function into its equivalent explicit function: f(1) = 18; f(n) = f(n - 1) + 6; n is be greater than or equal to 2* How would I solve this? Any help is appreciated! Thanks! *The symbol for that is the > with a line under it, I couldn't

    asked by Amelia on March 9, 2019
  76. Algebra 1

    The recursive rule for a sequence is f(n)= f(n-1) ———+5 2 The first term is 4. What is the third term? Please help.

    asked by Sara on September 26, 2019
  77. Geometry

    what is the third term of a recursive sequence that follows the pattern 5x-3 and has a first term x =2?

    asked by Bread on July 17, 2012
  78. Algebra 2 Explict Rule

    THe explict rule for a sequence is given. an=4n-1 What is the recursive for the sequence? I got a1=3 ; an=an-1+4

    asked by John Smith on March 5, 2018
  79. check!

    Write a recursive formula that generates the terms of the following: . . .1, 3, 9, 27 my answer: t1=1, n>2 --> tn= 3tn-1 is this correct? Let's test You have the sequence 1, 3, 9, 27 ... You wrote t1=1, n>2 => tn= 3tn-1 What is t2? It's undefined so I

    asked by ben! on October 19, 2006
  80. Math

    Sequence Geometric or Arithmetic Constant Ratio/Difference -2 4 10 16 22 Arithmetic 6 Recursive Function f (1) = -2 f (x) = f (x - 1) + 6 What would the explicit function be? I understand the rest just not this it is to confusing.

    asked by James Doyle on January 1, 2019
  81. Algebra 1

    A geometric sequence is defined by the general term t^n = 75(5^n), where n ∈N and n ≥ 1. What is the recursive formula of the sequence? A) t^1 = 75, t^n = 5t^n - 1, where n ∈N and n > 1 B) t^1 = 75, t^n = 75t^n - 1, where n ∈N and n > 1 C) t^1 =

    asked by Kira on October 23, 2018
  82. Discrete Math

    so i have this description: S consists of all strings of a's, b's and c's where an increasing number of a's come before an increasing number of b's and c's or c's and b's. does this make sense for this recursive definition of the set S over {a,b,c}: 1. a

    asked by Rey on July 12, 2012
  83. Math Alg. 2

    Write a recursive rule for the sequence: 1,2,12,56,272... and 2,5,11,26,59... and -3,-2,5,-3,-2... I can't find the pattern in these and am unsure on how to write the rule. Thanks

    asked by Student_10225 on February 25, 2015
  84. Math please help if you can

    1. The explicit formula an = 2-5 (n-1) represents an arithmetic sequence. Write the recursive formula for the sequence.

    asked by Nunyo on October 22, 2018
  85. math

    I'm having trouble just starting this problem You receive a $500 gift and decide to use it to start saving for a car. You add $50 dollars a week from your part time job. Write the recursive definition for an arithmetic sequence that models this situation.

    asked by MathlessinCarolina on October 5, 2015
  86. 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
  87. DISCRETE MATH

    Determine whether the following is a recursive or explicit. Then, find the first four terms of the following sequence. a) a_n = 〖na〗_(n-1) where a_0 =5 b) a_n = a_(n-1) + 3a_(n-2) where a_0 = 1 and a_1 =2 c) a_n = 2^n + 5•3^n for n=0,1,2,3

    asked by roze on October 30, 2016
  88. 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
  89. computers

    The recursive algorithm of the 4th Section of the chapter "Computational Geometry" employs a trick of presorting, in which we maintain two arrays X and Y of the input points P sorted on coordinate x and y, respectively. The algorithm starts with sorting

    asked by roba on November 14, 2009
  90. 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
  91. calculus

    1) Integrate Cos^n(x) dx 2) Integrate e^(ax)Sinbx dx 3) Integrate (5xCos3x) dx I Will be happy to critique your thinking on these. 1) Derive a recursive relation. 2) Simplest by replacing sin(bx) by Exp[i b x] and taking imaginary part at the end. 3) First

    asked by Febby on April 13, 2007
  92. Algebra

    Chantel drew a picture of her dog on a piece of paper that is 12 centimeters long. She used a copy machine to enlarge her drawing. She used the 115% setting to make each new copy. She then used each new copy, using the same copier setting. Enter an

    asked by Ana on April 27, 2016
  93. 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
  94. algebra

    A rare bacterial culture is being grown in a lab. As the days progress, the cells multiply and grow. After 1 day, there is only 1 cell. After 2 days, there are 9 cells. After 3 days, there are 20 cells. After 4 days, there are 34 cells. Which recursive

    asked by Steve on August 25, 2017
  95. 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
  96. Advanced Algebra

    A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be 1 interactions. If there are 3 children, there can be 4

    asked by Steve on August 22, 2017
  97. English

    Between the sixth and seventh floors of the building in the stairwell over in the corner. Hi Teacher, how in the world do i fix this? Thank you for using the Jiskha Homework Help Forum. Sorry, but whatever you want fixed does not show! Between the sixth

    asked by Anonymous on July 20, 2007
  98. Algebra 2

    Write the first five terms of a sequence. Don’t make your sequence too simple. Write both an explicit formula and a recursive formula for a general term in the sequence. Explain in detail how you found both formulas. My answer is 15, 30, 45, 60, 75 I

    asked by Math Noob on March 6, 2019
  99. 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
  100. applicable maths--sequence

    hello, i need some practises on: 1)the language and notation of sequence. 2)Recursive definition for a sequence 3)the Nth therm or general term for a sequence. can someone please give me some useful website regarding the topics above (or any other possible

    asked by Ann on May 3, 2008