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April 28, 2016

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

Number of results: 103,102

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

kumasi polytechnic
In A.P the difference between the 8th term and 4th term is 20,and the 8th term is one and half times the 4th term.Find the common difference, and the first term.
September 24, 2015 by adjei

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

math
if 4th term of an arithmetic progression is 3 times the 1st term nd 7th term exceeds twice the third term by 1. find the first term and common difference
April 20, 2015 by anandita

ahisco
In an A.P the difference between the 8th term and 4th term is 20 and the 8th term is 1half timesthe fourth term. what is the common difference and the first term of the sequence
October 22, 2015 by khlink

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=2nē-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=2nē-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

maths
An arithmetic series has first term 5 and a common difference 7 a) write down the 4th term and the 23rd term b) find the sum of the first 38 terms of this series.
April 26, 2016 by Anonymous

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

arithmetic sequence
the 40th term of an arithmetic sequence is equal to the sum of the 20th and 31st term. if the common difference of the sequence is-10. find the first term.
August 4, 2015 by hoho

Mathematics
The 8th term of a linear sequence is 18th and 12th term is 26.find the first term and the common difference and 2th term
October 12, 2015 by Sulaimon yusuf

maths
The 12th term of exceeds the 3rd term by 36 of an a.p If it's 16th term is 64 find first term and common difference
April 10, 2016 by hetal

math
The 3rd term of a geometric progression is nine times the first term.if the second term is one-twenty fourth the 5th term.find the 4th term. solution ar^2=9a r=sqr of 9 r=3.pls help me on how to get the first term(a)
November 27, 2014 by james

math
The third term of a geometric progressiom is nine times the first term.if the second term is one-twenty fourth the fifth term.find the fourth term.ar^2=9a. r=sqr of 9 r=3.pls teach me how to get the first term and i can get the 4th term myself
November 27, 2014 by james

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

arithmetic
in an arithmetic progression the 13th term is 27 and the 7th term is three times the second term find;the common difference,the first term and the sum of the first ten terms
March 8, 2016 by gaya

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 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.
December 7, 2015 by Destiny

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

arithmetic
second term is 8 and fourth term is 14.find the first term and the common difference.
March 23, 2015 by kagai

Maths
The 18th term of an A.p is 25.(a) find it's first term when the common difference is 2.(b) what term of an A.p gives 49
March 14, 2016 by Aliyu

math
The first term of an arithmetic sequence is 2.The 12th term in the progression is 9 times bigger than the 2nd term. Find the common difference d.
February 17, 2016 by John

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
Find first term and common difference of arithmetic sequence whose 13th them is 159 and 20th is 264.
January 9, 2015 by Ayane

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
September 10, 2015 by samson

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

Maths
The sixth term of GP is 16 and the third term is 2.Find the first term and common ratio. 6th term =16 3rd term=2 So ar^5=16 and ar^2=2, then divide. So r^3=8, and r^3 =2^3. Therefore r =2 and a=1/2
December 3, 2015 by Vin Mwale

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
February 7, 2016 by Ayanyen kess

Math
Write a possible explicit rule for the nth term of the sequence, then use it to find the 20th term. 5, -10, 20, -40, 80, -160.... Ans: a(n) = 5(-2)^n - 1 20th term: -2621440
June 2, 2015 by Anonymous

mathematics
1.1 the third term of an arithmetic sequence is 8 and the 15 term is 44 . Calculate: 1.1 the common difference and first term. 1.2 the sum of the first 50 terms. 1.2 1;4;7;10.... Is an arithmetic sequence .find: 1.2.1 the 30 term.
May 19, 2015 by tankiso

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

Arithmetic Progressions
The second term of an arithmetic progression I four times the fits term, and the first term is ten. Find the common difference and hence find the sum of the first 12 terms.
March 10, 2015 by Steph

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

maths
The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .
March 13, 2016 by komal

maths
The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .
March 14, 2016 by komal

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

Maths
The 4th term of an AP is 6 if d sum of d 8th and 9th term is -72 the common difference is
November 1, 2014 by Ada

pre-calculus urgent
The first term of an arithmetic sequence is 6, and the tenth term is 2. (a) Find the common difference d. d = Find the 100th term of the sequence. a100 = (b) Find the partial sum of the first ten terms. S10 = how do i do this, there's an example I tried following but it did ...
August 15, 2015 by Alex

math
The 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one twenty fourth the 5th term.find the 4th term.(there is a mistake in the 2nd to the last statement.help locate the mistake{final answer 4th term =48).i solved to this extent.ar^2=9 r=3.
November 28, 2014 by james

E.s groly
5 times the 5th term of arthmetic progression is equa to 10 times the 10th term. Find the common difference and the first term
June 15, 2015 by Aphrodis

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

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
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

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

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

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

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

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

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

Further maths
The first term of an AP is equal to thrice the common difference. What is the sixth term of the AP,if the common difference is 8
April 19, 2016 by Emmanuel

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

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

MATHS
FIND The 6th And 5th Term Of The A.P Whose First Term Is 6 And Common Difference Is ?
March 9, 2016 by MIRACLE

math
the ninth term of an arithmetic progression is 52ind the and the sum of the first twelve terms is 414.find the first term and the common difference.
January 4, 2015 by jaylan talib

maths
the sum of the first 53 terms of an arithmetic series is 4 240 while the seventh term is equal to 20. Find the first term on common difference
February 8, 2016 by nthabiseng

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

math
the 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one-twenty fourth the 5th term.find the 4th term.(my solution so far).ar^2=9a r=sqr of 9 r=3.help me find the 1st term
November 28, 2014 by james

maths
the third term of A.p is 12 while the seventh term is 72 find (1)common differences (2) first term (3) find the sixth term
July 22, 2015 by ewelade aishat

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

Math
The sixth term of an arithmetic sequence is 20.6 and the 9th term is 30.2. Find the 20th term and find the nth term.
May 13, 2015 by Anonymous

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

Tn=3n-2 Find the first term,a;the common difference,d;and then find the 5th term.
March 7, 2015 by mandy

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
November 10, 2014 by Geometric progression

Maths
The first term of an AP is 12 and that of a GP is 6. The common difference and the common ratio are equal, so as are the sum of the fist 3 terms. Find the possible values of the common difference?
December 1, 2014 by Andre

geometric progression
the 3rd term of a gpis 10 and the 6th term is 80 find the common ratio No2 if the 2nd term of a gp is 4 and the 5th term is 1over 16,the7th term is_
November 18, 2014 by jessica

komenco
the first, second, and fifth term of an AP are three consecutive terms of an exponential sequence. if the first term of the linear sequence is 7 ,find it common difference
December 27, 2015 by solomon

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

Alg 2
The first term of a geometric sequence is 25, and the fourth term is 1\5. (a) Find the common ratio r. r = Find the fifth term. a5 = (b) Find the partial sum of the first eight terms. S8 =
August 15, 2015 by franey

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

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

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 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
January 27, 2016 by Tola

Math
1.) What is the formula for the nth term of the arithmetic sequence that has a common difference of 8 and a first term of 4? 2.) What is the formula for the nth term of the geometric sequence that has a first term of 2 and a ratio of 3?
April 30, 2015 by Jamie

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

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