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October 23, 2014

Search: 4th term is 11 and 20th is -21 find the first term and common difference

Number of results: 86,695

MATH
Find the value of A + B if the A is the first term and B is the common difference of the sequence whose 4th term is 3 and 20th term is 35
November 7, 2011 by Katie

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 required to make a sum ...
April 17, 2008 by Anonymous

Utech
The 9th term of an Arithmetic Progression is 8 and the 4th term is 20. Find the first term and the common difference.
May 1, 2012 by Jennifer

math
The 9th term of an AP is 8 and the 4th term is 20. Find the first term and the common difference.
April 6, 2013 by lindsay

math
1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the 4th term and the 3rd ...
April 17, 2008 by Anonymous

Math
1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the 4th term and the 3rd ...
April 17, 2008 by Anonymous

arithmetic
THE SUM OF THE 2ND AND 5TH TERMS OF AN A.P IS 42. IF THE DIFFERENCE BETWEEN THE 6TH AND 3RD TERM IS 12, FIND THE: COMMON DIFFERENCE, 1ST TERM, 20TH TERM.
November 26, 2010 by JOSHUA BAME

Arithmetic Progression
In an AP the 6th term is half the 4th term and the 3rd term is 15. a. Find the fist term and the common difference. b. How many times are needed to give a sum that is less than 65?
September 17, 2012 by Math

PRE CALC
The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??
April 2, 2014 by Aly

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?
January 27, 2013 by Bethold

Precalculus
The 8th term in an arithmetic sequence is 5, and the sum of the first 10 terms is 20. Find the common difference and the first term of the sequence. Alright so in an arithmetic squence the difference d between any two successive numbers is constant. So if the first term is x, ...
January 20, 2007 by Trudy

Arithmetic Sequence
Given the third term of an arithmetic sequence less than the fourth term by three. The seventh term is two times the fifth term. Find the common difference and the first term.
September 30, 2012 by Nina

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
November 6, 2010 by De-Graft

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
November 6, 2010 by De-Graft

Math
the sum of the 4th term and the 5th term is 12.if the 4th term of the progression is 8, find the common ratio and the 1st term of the progression.
January 15, 2011 by Malek

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.
May 1, 2012 by Jennifer

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
October 21, 2014 by benita

math
in an ap the difference is between the 8th and 4th term is 20 and the 8th term is one and the half times the fourth term what is the common difference
November 8, 2013 by dammy

math
the fourth term of an arithmetic progression is equal to 3 times the first term and the seventh term exceeds twice the third term by 1 find the first term and the common differrence
February 7, 2014 by kruthi

math
The 4th term of an AP is 3 times its first term and the 7 term exceeds the 3 term by 1.Find the 10 term of an AP.
December 8, 2011 by Habooba

Precalculus
1. In an arithmetic sequence, the fifth term, u5, is greater than the first term, u1. The difference between these terms is 36. a) find the common difference 9? The tenth term of the sequence is double the seventh term . b) find u1 2.5? 2. Consider the function f(x) = ax^3 -3x...
May 5, 2014 by Anonymous

math
in an AP the 10th term is 54 and 5th term is 4 times the 2nd term . Find the 1st term 'a' and common difference 'd'
February 3, 2014 by jomon

math
A G.P has 6 terms. If the 3rd and 4th term are 28 and -56 respectively find common ratio, first term and the sum of the G.P.
March 14, 2014 by princewill favour

math
The third term of a G.P is 24 and the sum of the first two terms is 288. If all the terms are positive,find a)the first term and the common ratio b)the sum of all the terms from 4th term to the 8th term
February 3, 2014 by Anonymous

PreCalc
1) Determine the value of r (put this number in the first blank) and then determine the value of the 10th term of the geometric sequence. Do not use any decimals or mixed numbers in your answers. Reduce all fractions to lowest terms. a1 = 2 and a4 = −1/4 2)Find d and ...
July 16, 2012 by Anonymous

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 6 is equal to the ...
March 9, 2007 by raven31792

arithmetic
The 8th term of an A P is 5times the third term while the 7th term is 9 greater than the 4th term.what are the first five term
November 4, 2011 by Anonymous

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
March 30, 2012 by wale

math
The first term of an AP is 8. The ratio of d 11th term to the 7th term is 5:8 calculate the common difference
March 19, 2014 by victor

MATH
In an arithmetic sequence, the first term is 100 and the sixth term is 85. Find the common difference. Then, find the 50th term of the sequence. Do I use the formula an=a1+(n-1)d? If so, what would my "n" by in the equation?
January 16, 2011 by lYDIA

Mathematics
The second term of a G.P is 12 more than the first term,given that the common ratio is half of the first term.find the fourt term of the G.P.
February 17, 2012 by Elom Charles

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
October 12, 2011 by Anonymous

mercy land
the 2nd, 3rd, and 4th term of an arithemetic progression are x-2, 5 and x+2 respectively, calculate the value of x and hence find the 20th term..
November 8, 2011 by victor

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.
September 2, 2013 by Leda

Algebra
True or False 1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence. 2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term. 3. In an arithmetic sequence, the common difference is computed by subtracting the first term from the second term ...
September 9, 2014 by Ruby

Core mathematics
The 4th term of an A.P.is 37 and the 6th term is 12 more than the 4th term.find the 1st and the 7th term of the sequence.
November 26, 2011 by Sequence and series

algebra
For the sequence an=6+5*(n-1), its first term is__??__ ; its second term is__??__ ; its third term is__??__ ; its fourth term is__??__ ; its fifth term is__??_ ; its common difference d= __??__ .
November 16, 2011 by lulu

math
Marissa plans to cut a wire that is 5 feet 3 inches long. How long should each of the cut pieces be if she wants 7 equal pieces of wire? Find the twenty-second term of an arithmetic sequence if the first term is 4 and the common difference is 10. Find the twenty-second term of...
April 19, 2010 by joe

arithmetic
If the sum is 220 and the first term is 10, find the common difference if the last term is 30
July 29, 2011 by sanjoy

math
the first term of a linear sequence is 5,nd d common difference is -3 find the 15 term
February 24, 2013 by mimi

Precalc
Find a formula for the nth term if... a)the 8th term is 8 and the 20th term is 44 b) the 8th term is 4 and the 18th term is -96 thanks!! I am just confused how you do this if you dont know what n is.
May 12, 2013 by Rebekah

Math
The fourth term of an arithemetic progression is 13 and the tenth term is 31 find it first tern and it common difference
March 28, 2012 by Wale

maths
the first term of arithmetic progression is -8 .and the ratio of the 7th and the 9th term is 5 :8 .find the common difference.
October 20, 2014 by mafo

arithmetic
the sum of the n termsof an ap whose first term is 5 and common difference is 36 is equal to the sum of 2n terms of another AP whose first term is 36 ans common difference is 5. Find n?
January 16, 2012 by FEBIN

AP calculus
The sixth term of an Arithmetic Progression is 23 and the sum of the six terms is 78. Find the first term and the common difference.
November 24, 2011 by Watermelon

math
An arithmetic series has third term 11. The ninth term is 5 times the second term. Find the common difference.
November 19, 2009 by sdgsd

math
(1) if the second and fourth term of a G.P are 8 and 32 respectively,what is the first term? (i need a practical solution please.) (2)the eleventh term of an A.P is 25 and its term is 3 find common difference? (also need practical solution.) (3)given the sequence 0.04 to 25,...
December 29, 2010 by cadarii

Math ( Can You check my Work?)
1.an = 3n - 1 2. an = 2(2n - 3) 3.an = 4^n 4.an = (2/3)^n 5. an = (-1)^n(n + 5) 6. an = (-1)^n + 1(n + 6) 7. an= n+3/2n-1 8. a1 = -5 and an = an-1 - 3 for n ≥ 2 9. a1 = -6 and an = -2an-1 for n ≥ 2 10.a1 = 4 and an = 3an-1 + 2 for n ≥ 2 11. Find a8 when a1...
August 1, 2012 by Tony

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
February 25, 2014 by jennifer

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 really appreciate your ...
January 14, 2012 by Max

Maths
The 3rd term of an AP is 10 more than the first term while the fifth term is 15 more than the second term.find the sum of the 8th and 15 term of AP.if the 7th term is seven times the first term.
February 15, 2012 by Magana

arithmetic
the sum of the 3rd and the 4th term is 44 and the sum of the 10th and the 15th term is 203. what is the sum up to the 20th term?
February 7, 2012 by linda

math
in an arithmetic progression the 50th term is equal to 3, and the sum of the first 8th is equal to 23. find the first term and the common difference
November 5, 2010 by Ali

Math
The nth term of an A.P. Is 3 times the 5th term.(a)find the relationship between a and d.(b)prove that the 8th term is 5times the 4th term.
January 29, 2014 by Miracle

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.
March 6, 2013 by crystal powell

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
December 31, 2010 by dennis

math
The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?
May 21, 2014 by edwin

maths
find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19
June 12, 2013 by thabang

maths
find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19
June 12, 2013 by thabang

arithmetic progression
the 9th term of an AP is 52 while the 12th term is 70. find the sum of it's 20th term?
August 6, 2013 by oladepo

Maths
The 14th term of an Ap is double the 4th term.find the 10th term if the 2nd term is 8
October 2, 2013 by Hacker

Algebra
What is the first term of an arithmetic sequence with a common difference of 5 and a sixth term of 40 ?
January 20, 2011 by Jasmine

math
the 9th term of an AP is 52 while the 12th term is 70.find the sum of its 20th term
October 14, 2011 by Anonymous

math
d 9th term of an Ap is 52 while d 12th term is 70. find sum of it's 20th term?
August 6, 2013 by oladepo

math
What is the common difference of a 43–term arithmetic sequence where the first term is –13 and the sum is 9,374?
April 2, 2011 by matt

Mathematics
The 3rd and 8th term of an arithmetic progression A.P are -9 and 26.what their common difference nd first term?
February 7, 2013 by Oyediran

math
find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17/6, 3/2, 1/6..... If you change the denomators to 6, you should notice the numerators follow the sequence: 33,25,17,9,1,...which is an arithmetic sequence with a common difference of -8 so term(n) = -8n...
April 1, 2007 by brandon

algebra ll
Need help please.. Identify -7x^3+6x^2+6x+9 Searching for the degree of the first term, 2nd term, 3rd term, 4th term and the degree of the polynomial? I thank you
May 5, 2012 by Alexis2

Mathematics-please help quick!!
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.
June 10, 2012 by Scraffii

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?
August 7, 2013 by Abisola

Maths
1..The first 2 terms of a geometric progression are the same as the first two terms of an arithmetic progression.The first term is 12 and is greater than the second term.The sum of the first 3 terms od the arithmetic progression is 4/3 less than the sum of the first 3 terms of...
February 3, 2013 by Lucas

arithmetic
In an arithmetic progression the sum of the first 10 terms is 50 and the 5th is three times the second term. Find the fisrt term and the common difference.
April 12, 2011 by Bless

arithmetic
the sum of irst and the fourthterm of a linear squence is10 and the sum of its thired and seventh term is 20.find the common difference and the first term
October 9, 2011 by Anonymous

arithmetic
1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...
May 23, 2014 by kartik hans

arithmetic
1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...
May 24, 2014 by kartik hans

Math
A sequence is formed by adding together the corresponding terms of a geometric sequence and and an arithmetic sequence.The common ratio of the geometric sequence is 2 and the common difference of the arithmetic sequence is 2.The first term of the new sequence is 1 and the ...
April 12, 2012 by Piwo

Math
3,5,-5... The first term in the sequence of #'s shown above is 3. Each even # term is 2 more than the previous term and each odd # term, after the first, is -1 times the previous term. For example, the second term is 3+2, and the third term is (-1)x5. What is the 55th term of ...
May 20, 2007 by Mack

math
find the 4th term of an arithmetic sequence whose first term is -8 and whose 9th term is 32.
January 30, 2014 by breauna

arithmetic
first term and larst term of a geometric progression is 42.if the forth term is greater than the second term by 168, find the first term.the forth term.
September 17, 2011 by charles

Mathematics
The 25 term of an Arithmetic Progression is 7 1/2 and the sum of the first 23 terms is 98 1/2. Find the i. 1st term ii. common difference iii. sum of the first 30 terms
December 11, 2013 by Jamiu

math30
Sequences 1)A sequence has a first term of 24 and every other term is one half of the previous term. a)Write the first four terms of the sequence. b)Find a recursive formula that defines this sequence. c)Find an explicit formula that defines this sequence. This will be ...
August 8, 2012 by alejandro

Math
Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term 7th term 8th term 9th term 10th term 1) 2) 3...
March 30, 2012 by Anonymous

maths
the 1st term of an ap is twice the common difference find in terms of the 5th term of the ap
October 20, 2012 by d 1st term of an ap is twice the common difference find in terms of the 5th term of the a

math
The sum of second term and fourth term of G.P is 30 and difference between sixth term and second term is 90,how to find third term
August 3, 2013 by suma

Mathematics
The firts terms a of an A.P is equal to twice the common difference d.Find, in term of d, the 5th term of the A.P.
November 3, 2011 by Yinka

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) The sum of the first ...
September 25, 2011 by Amir khan

arithmetic
an arithmetic progression has 20 terms. the sum of all the even terms is 350. given that the first term is 5, find the common difference and the eleventh term.
March 8, 2011 by rusya

Algebra 2
The first term in an arithmetic series is 7 and the 17th is 49. What is the 20th term?
May 4, 2011 by Abbie

Math
The third term of a geometric series is 24 and the fourth term is 36. Determine the first term and common ratio.
July 18, 2013 by Tom

math
the third term of a geometric sequence is t3= -75 and the sixth term is t6= 9375. determine the first term and the common ratio
January 4, 2011 by liza

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 ratio and the first ...
March 23, 2013 by Estrick Abel

Mathematics-please help!
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.
June 9, 2012 by Jeconiah

Mathematics-please help!
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.
June 9, 2012 by Jeconiah

Geometric progression
The second term of a geometric progression is 12 more than the first term given that the common the ratio is half of the first term. Find the third term of the Geometric progression
October 23, 2011 by Anonymous

math
the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 find the 10th term?
February 7, 2013 by ian relacion

math
the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 find the 10th term?
February 7, 2013 by ian relacion

Math
The sum of the first seventeen terms of an arithmetic series is 493 The third term is 11. Find the first term and the seventeenth term. The n-th term is 3*n + 2
December 21, 2006 by Blonde Glamour

math
the 10th term is 34 of arithmetic series and the sum of the 20th term is 710.what is the 25th term?
January 1, 2013 by Riana

arithmetic
If the first term of an arithmetic sequence is 2 and the 7th term is 3278, what is the common difference?
April 16, 2013 by Anonymous

Math
1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½? 2. Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the first term of the sequence.
June 18, 2014 by Jade

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