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April 30, 2016

# Search: 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

Number of results: 99,134

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

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

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

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

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
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

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

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

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

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

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

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

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.

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

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

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

The arithmetic progression has first term 4 and last term 34. If the sum of its terms is 247, find the number of terms and their common difference.
March 20, 2015 by Ina

arithmetic progression
the 9th term of an AP is 52 while the 12th term is 70. find the sum of it's 20th term?

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

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
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

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

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

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

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

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

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

AP Calculus
The 9th term of an arithmetic progression is 4+5p and the sum of the four terms of the progression is 7p-10, where p is a constant. Given that common difference of the progression is 5, find the value of p.
November 30, 2011 by Watermelon

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
February 21, 2010 by Anonymous

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
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
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

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

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

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

src
the 4th term of an arithmetic progression is 27 and the sum of the 1st and 4th term is 42. What is the third term

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
In an arithmetic series the 3rd term is twice the 8th term. Find the sum of the first 25 terms.
March 6, 2014 by simamkele libalele

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
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
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
February 2, 2015 by kudu

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

maths
the sum of the 4th and 6th terms of an A.P is 42. the sum of the 3rd and 9th terms of the progression is 52. find the first term, the common difference and the sum of the first ten terms of the progression.
March 7, 2012 by festus

GP Caluculus
The third term of a geometric progression is 16. The sum of the third term and the fouth term is 8. Find (a)the first term and the common ration of the progression (b)the sum of infinity of the progression
December 1, 2011 by Watermelon

GP Caluculus
The third term of a geometric progression is 16. The sum of the third term and the fouth term is 8. Find (a)the first term and the common ration of the progression (b)the sum of infinity of the progression
December 1, 2011 by Watermelon

GP Caluculus
The third term of a geometric progression is 16. The sum of the third term and the fourth term is 8.Find (a)the first term and the common ratio of the progression. (b)the sum of infinity of the progression.
December 1, 2011 by Watermelon

Math
An arithmetic progression has 10 terms. Sum of the 10 terms is 220. Sum of the odd terms is 100. Find the first term and common difference.
January 7, 2016 by Manpreet

An arithmetic progression has 8terms.The sum of all 8terms is 180 and the sum of all odd terms is 80. Calculate (a)the first term and common difference (b)the last term
March 8, 2015 by mandy

math
An arithmetic progression has 2 as its first term. find its common difference if the sum of 33 terms is equal to six times the sum of 13 terms
January 30, 2016 by greatmam

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

mathematics
if the sum of the 6th and 7th terms of an arithmetic progression is 60 and the 3rd term is -5 find the common difference
January 11, 2015 by Bella

Mathematics : Arithmetic Sequence
The 5th term and the 8th term of an arithmetic sequence are 18 and 27 respctively. a)Find the 1st term and the common difference of the arithmetic sequence. b)Find the general term of the arithmetic sequence.
September 7, 2008 by Charmian

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

Maths
The 4th term of an AP is 6 if d sum of d 8th and 9th term is -72 the common difference is

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

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
November 4, 2015 by Umaru Monsurat

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

Math.
The 4th term of the arithmetic progression is15 and the9th term is 35 find the 15th term.
April 28, 2016 by Emeka

arithmetic progression
given that the first term of an Ap is 7 and its 10th term is twice the second term calculate the 19th term.
October 16, 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 24, 2014 by kartik hans

Maths - Arithmetic Progression
The fourth term of an AP is 8 and the sum of the first ten terms is 40. Find the first term and the tenth term.
September 25, 2012 by Chrissey

algebra
if 1, 2, 7 and 20, respectively, are added to the first terms of an arithmetic progression, a geometric progression of four terms is obtained. find the first term and common difference of the arithmetic progression the answers are both 3 .. but i don't know the solution, ...
April 27, 2016 by Sam

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 4th term of an Ap is 6. if the sum of the 8th and 9th terms is -72,find the common difference
November 8, 2015 by Bello Boluwatife

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
February 3, 2013 by Benjamin

arithmetic
Determining the first three terms of an ArithmetiC progressionof which the (a.)10th term is 31 and the 15th term is 49 (b.)7th term is 3 and 12th term is -3 (c.)5th term is 8 and the 11th term is -28 (d.)9th term is7+9x and d=2x,Show all calculations
January 27, 2015 by Thandi Mstletoe

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

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.
December 3, 2012 by simranpreet

maths
The sum of first 6 terms of an Arithmetic progression is 6 the product of 2nd term and 5th term is -80 . Find the terms of A.P.
October 8, 2015 by Anonymous

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

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

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

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

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

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

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

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

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

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

precal Arithmetic progression
The fifth term of an arithmetic series is 12 and the eighth term is 3. Find the sum of the first 6 terms and also of the first 11 terms. T5=a+4d=12 T8=a+7d=3 -3d=9 d=-3
December 2, 2014 by Jelon

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
What is the sum to 15 terms of an arithmetic progression whose 8th term is 4?
July 4, 2011 by vinay

maths
A) In an arithmetic progression the sum of the first ten terms is 50 and the fifth term is three times the second term (1) Calculate the first term (2)Calculate the sum of the 20 terms
April 3, 2016 by oliver

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

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

arithmetic
given that the first term of an Ap is 7 and its 10th term is twice the second term. calculate the sum of the 28 term.
October 16, 2011 by Anonymous

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

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
The sixth term of an A.P. is 5 times the first term and the eleventh term exceeds twice the fifth term by 3 . Find the 8th term ?
May 26, 2015 by Shivam

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
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

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

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
1. a square has a side of 2 decimeters. a new square is formed by joining the midpoints of the sides. If this procedure is reoeated 6 times, what is the perimetet and area of the seventh square 2. find the sum of those numbers between 15 and 810 which have 8 as their units ...
December 8, 2015 by Anonymous

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
January 31, 2012 by Daniel

Arithmetic progession
The third term of an A.P is 10times more than the second term. Find the sum of the eight and fifteen term of the A.P if the seventh term is seven times the first term
August 13, 2015 by Abraham

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