Thursday

January 19, 2017
Number of results: 128,464

**Math**

Determine whether each sequence is arithmetic of geometric. Find the next three terms. 14,19,24,29.... A. Geometric,34,39,44 B. Arithmetic,32,36,41 C. Arithmetic, 34,39,44 D. This sequence is neither arithmetic or geometric. Is the answer C? Thank you

*April 16, 2015 by Morgan*

**Algebra**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 14, 19, 24, 29, . . . A.geometric, 34, 39, 44 B.arithmetic, 32, 36, 41 C.arithmetic, 34, 39, 44 D.The sequence is neither geometric nor arithmetic. I think this is C...? What are the first ...

*March 19, 2013 by Cassie*

**Math**

Which represents the type of sequence: 12, 22, 30, 36, 41, …? neither arithmetic nor geometric both arithmetic and geometric arithmetic geometric

*March 10, 2012 by Brett *

**Math Help!!!**

determine whether each sequence is arithmetic or geometric. find the next three terms. 1. 14,19,24,29.... geometric, 34,39,44 arithmetic,32,36,41 arithmetic 34,39,44**** the sequence is nether geometric nor arithmetic 2. -4,8,-16,32.... arithmetic. 64,128,256 geometric -64,128...

*March 24, 2015 by help asap*

**Algebra**

Determine whether each sequence is arithmetic or geometric. Find the next three items. 1. 14,19,24,29, . . . a. geometric; 34, 39, 44 b. arithmetic; 32, 36, 41 c. arithmetic; 34, 39, 44 d. The sequence is neither geometric nor arithmetic.

*May 18, 2014 by Shelin*

**Math - Arithmetic question**

I have a question about the limits to Arithmetic problems, on my homework I've noticed that so far all of the arithmetic sequences limits are infinite (-infinity or +infinity, I was just wondering if all the limits to Arithmetic problems are to an infinity since 99% of the ...

*November 8, 2015 by Mary*

**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 ...

*September 9, 2014 by Ruby*

**statistics**

A source in the Internal Revenue Service has stated that historically 90% of federal tax returns filed are free of arithmetic errors. A random sample of 25 returns are selected and checked carefully for arithmetic errors. Assuming independence, find the probability that a. all...

*August 30, 2012 by Sarah*

**7th Grade Math for Steve.. or Ms. Sue**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 ** The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32, . . . (1 ...

*April 28, 2013 by Gabby*

**math**

1. Use the given arithmetic sequence to answer the following problems. Arithmetic sequence: 10, 15, 20, 25, 30, …. a. Use the formula to find the 75th Term of the given Arithmetic Sequence I. Formula: II. Work: b. Use the formula to find the nth Term of the given Arithmetic ...

*March 20, 2009 by angell*

**Math**

Determine whether this sequence is arithmetic or geometric. Find the next three terms. 81, 27, 9, 3, . . . A. arithmetic, 0, –3, –6 B. geometric, 0, –3, –6 C. geometric, 1,1/3 , 1/9 D. The sequence is neither geometric nor arithmetic. Is the answer C? Thank you

*April 16, 2015 by Morgan*

**Math - Arithmetic**

Qn: Given that 3, b, c and 18 are an Arithmetic Progression. Find the value of b and c.

*March 1, 2011 by Student55*

**math**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 *** The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32, . . . (1 ...

*May 2, 2014 by TTR+S<3*

**arithmetic**

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ...

*January 30, 2012 by saul*

**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*

**algebra**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 4, 8, –16, 32, . . . A.arithmetic, 64, 128, 256 B.geometric, –64, 128, –256 C.geometric, –48, 64, –80 .DThe sequence is neither geometric nor arithmetic. I think it's B...? 81, 27...

*March 19, 2013 by Cassie*

**8th grade math!!!!! :)**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32, . . . (1 point...

*April 11, 2013 by jessie*

**math**

term given by x+2,3x-1,and 4x-1 form an arithmetic sequence. find the value of x. i didn't get it how to start this question and how it forms arithmetic sequence?

*January 9, 2013 by Riana*

**Math**

Tell whether each sequence is arithmetic. Justify your answer. If the sequence is arithmetic, write a function rule to represent it. 15. 128, 64, 32, 16... 16. 3, 3.25, 3.5, 3.75..

*January 8, 2014 by Macie*

**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

*April 16, 2015 by Lala*

**math**

two terms of an arithmetic sequence are 15 and 45. Create three different arithmetic sequences given these terms

*January 10, 2011 by Anonymous*

**math**

I need a few examples of Arithmetic sequences in our daily lives. I also need the general formula of an arithmetic sequence. Can anybody help?

*October 5, 2011 by Howler*

**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*

**Math**

32,48,72,108...Arithmetic or geometric I think it is arithmetic Then Find common difference or ratio multiple of 12? What are the next 3 terms 120,132,144 What is the "zero" term 12 not sure what this means though What is the equation? 12n * n

*February 9, 2016 by Tyler*

**Math**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. -4,8,-16,32... A. Arithmetic, 64,128,256 B. Geometric, -64,128,-256 C. Geometric, -48,64,-80 D. The sequence is neither arithmetic nor geometric sequence. B? Thank you

*April 16, 2015 by Morgan*

**arithmetic**

The initial term of an arithmetic sequence is 5. The eleventh term is 125. what is the common difference of the arithmetic sequence?

*October 25, 2011 by Jane*

**arithmetic**

Two arithmetic progression have thd same first and last terms.the first arithmetic progression has 21 terms with a common difference of 9.How many terms has the other arithmetic progression if its common difference is 4?working and answer.thans

*October 14, 2010 by William*

**Math**

A sequence is called an arithmetic progression of the rst order if the dierences of the successive terms are constant. It is called an arith- metic progression of the second order if the dierences of the successive terms form an arithmetic progression of the rst order. In ...

*May 11, 2012 by Bhupendra*

**Math: Arithmetic Sequence.**

the 3rd of an Arithmetic sequence is 8 of the 16th term is 47. Find a subed 1 and the common difference. Construct the sequence.

*June 4, 2015 by Jan*

**MATH ARITHMETIC SEQUENCES**

IN THE INFINITE ARITHMETIC SEQUENCE 1, 11, 1.2,... WHAT TERM OF THE SEQUENCE IS 3?

*June 22, 2016 by DANIELA*

**math**

The 9th term of an arithmetic sequence is 12 and the 17th term is 28, find the 4th term of the arithmetic sequences

*April 24, 2015 by Lillian *

**Math**

I need help with sequences 2,1,1/2,1/4,... Is this arithmetic, geometric,neither, or both (geometric?) 7,9,11,13 arithmetic, geometric,neither, or both. (arithmetic?) 1,2,4,8... Whats the rule think the rule is: Start with one and multiply by two repeatedly 50,40,30,20 Rule ...

*April 24, 2015 by Amber*

**arithmetic**

How do you find the sum number of an arithmetic sequence? I forgot and my textbook does not explain it well.

*June 21, 2009 by Daniel*

**arithmetic**

Write and solve an expression to find the nth term of each arithmetic sequence... 3,7,11,15 n=8

*May 17, 2011 by Olyvea*

**arithmetic**

The first three terms in an arithmetic are given by x,4x+5 and 10x-5.find the value of x.

*January 21, 2012 by Vivian*

**arithmetic**

State whether the following sequence is arithmetic, geometric, or neither. 0, 1, 4, 9, 16, 25, 36, ....

*February 27, 2011 by Anonymous*

**arithmetic**

What is the sum to 15 terms of an arithmetic progression whose 8th term is 4?

*July 4, 2011 by vinay*

**arithmetic**

Determine the 10th and 21st terms of the arithmetic sequence- 4+7x, 5+9x, 6+11x

*April 10, 2012 by Nkululeko Hadebe*

**arithmetic**

Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.

*April 1, 2014 by Anonymous*

**algebra**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...

*August 23, 2007 by Marissa*

**algebra**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...

*August 24, 2007 by Marissa*

**algebra**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...

*August 26, 2007 by Marissa*

**arithmetic**

What is the use of arithmetic progression in a circular race track? Please answer soon !

*December 21, 2010 by Mohit*

**Algebra 1- Please help**

Tell whether the sequence is arithmetic. If it is, what is the common difference? a. no (as in, its not arithmetic) b. yes;4 c. yes;5 d.yes;6 i think its a

*November 5, 2015 by basketball&batman*

**arithmetic**

Find the sum of the first 40 terms of the arithmetic sequence. 19, 24, 29, 34

*November 17, 2010 by Lindsay*

**math**

The first and the last terms of an Arithmetic Progression are 6 and 171 in that order. If there are 14 terms, find the 16th term of the Arithmetic Progression.

*May 8, 2016 by Henry*

**Mathematics : Arithmetic Sequence**

Consider the arithmetic sequence x+2, 18-x, 14+x,... a) Find the value of x. b) Find the general term of the arithmetic sequence.

*September 7, 2008 by Charmian*

**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?

*January 18, 2016 by Kimmy*

**arithmetic**

put these sequences in standard form arithmetic a1=a6=11

*July 22, 2010 by jonay*

**arithmetic**

Find the 30th term of the arithmetic sequence: an = 7 + (n – 1)(2)

*June 29, 2011 by rowlo*

**arithmetic**

find the seventh term of an arithmetic progression 5,7,11,15

*July 1, 2011 by Anonymous*

**arithmetic**

find the 25th term of the arithmetic sequence 24, 19, 14, 9 ...

*July 10, 2011 by ashely*

**algebra**

1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 an=a1+(n-1)d a20=3+(20-1)7 a20=3+(19)7 a20=3+133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 an=a1+(n-1...

*August 26, 2007 by Marissa*

**algebra(check)**

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...

*August 24, 2007 by Marissa*

**7th grade math**

For questions 1, 2 identify each sentence as arithmetic, geometric both or neither. 1) 7, 9, 11, 13 ...... A) arithmetic B) geometric C) both D) neither (my answer) 2) 2, 1, 1/2, 1/4, .... A) arithmetic B) geometric C) both (my answer) D) neither

*March 18, 2015 by Ashley*

**math {sequences}please help**

Sequences 1. 14, 19, 24, 29,… a. Geometric, 34,39,44 b. Arithmetic,32,36,41 c. Arithmetic, 34, 39, 44 ** d. The sequence is neither 2. -4, 8, -16, 32, . . . . a. Arithmetic , 64, 128, 256 b. Geometric, -64 , 128, -256 ** c. Geometric, -48, 64, -80 d. Neither 3. 81, 27, 9, 3...

*April 8, 2016 by UNKNOWN*

**arithmetic**

State whether the following sequence is arithmetic, geometric, or neither. 10, 10.25, 10.50625, 10.76890625, .... (Points : 1) arithmetic sequence geometric sequence neither

*October 2, 2011 by catherine*

**Maths**

Eric thinks of 2 sequences.One is geometric and the other arithmetic.Both sequences start with the number 3.The common ratio of the geometric sequence is the same as the common difference of the arithmetic sequence.If the 6-th term of the geometric sequence is 96.Find the ...

*February 3, 2013 by Lucas*

**arithmetic**

What is the sum of the arithmetic sequence 22, 13, 4 … if there are 28 terms?

*September 4, 2011 by Joe*

**arithmetic**

is 10, 10.25, 10.50625, 10.76890625 an arithmetic sequence

*June 24, 2012 by Anonymous*

**math**

Hi I need someone to check my answers I'll show whatever work I have but for time purposes I'll just post my answers because I think I have most of them correct. Thanks! 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7. A)143 B)136 C)140 D)133 I chose B 2)...

*December 12, 2007 by Jon*

**Math**

1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic, geometric, both, or ...

*October 9, 2015 by May*

**Math**

Tell whether the sequence is arithmetic. If it is, write a function rule to represent it. 0.2, -0.6, -1.4, -2.2 This is an arithmetic sequence, but I do not understand the function rule of A(n) = 0.2 - 0.8(n-1), which is the given answer.

*November 17, 2013 by Anonymous*

**arithmetic**

In an arithmetic series, the terms of the series are equally spread out. For example, in 1 + 5 + 9 + 13 + 17, consecutive terms are 4 apart. If the first term in an arithmetic series is 3, the last term is 136, and the sum is 1,390, what are the first 3 terms?

*September 24, 2010 by Cennie*

**algebra**

can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 --3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? -43 43 __> -69 69 What is the recursive rule for the sequence: −...

*March 22, 2012 by Jennifer*

**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*

**Math (arithmetic)**

The total seating capacity of an auditorium is 1,065. The first row has 21 seats arithmetic series and each row has one seat more than the row in front of it. How many rows of seats are there in the auditorium?

*June 25, 2015 by Roxane*

**Math**

Find the no. of terms 1. 3,5,7...33 2.-5,-1,3,...75 Solve each problem. 1. In the Arithmetic sequence 5,8,11,14.... what is n if a sub n is 32? 2.Find the sum of the first 20 terms of the arithmetic sequence -15,-7,31,43...

*January 21, 2013 by Aliza*

**arithmetic**

In a certain arithmetic sequence, t6 + t15 = –141 and the common difference is –7. What is the first term of the sequence? explain how to do this please

*August 11, 2010 by bob*

**Algebra **

Arithmetic Sequence : Determine whether f(n) is an arithmetic sequence, circle yes or no . Identify the common difference . __________________ 1. N 1 2 3 4 5 F(n). 2 4 6 8 10 ___________________

*April 28, 2016 by Anonymous*

**Algebra**

Find the next three terms 1. 14,19,24,29 A.geometric 34,39,44 B.arithmetic 32,36,41 C.arithmetic 34,39,44 D.The sequence is neither geometric or arithmetric I think the answer is c

*January 22, 2016 by SeCondra *

**arithmetic**

Given that an arithmetic sequence has a common difference of 5 and sum of the first 10 terms is 245, the first term is?

*March 10, 2011 by Donald*

**Foundation aLGEBRA**

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. –3, –1, 1, 3,...

*November 5, 2015 by queen sipp*

**algebra 1**

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ...

*September 24, 2013 by bobby*

**arithmetic**

what is the arithmetic mean of 3,5,7,9and 11?

*July 11, 2011 by Anonymous*

**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**

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*

**Divine mercy school**

The arithmetic mean of x,y andz is 6 while that of x,y,z,t,u,v and w is 9. Calculate the arithmetic mean of t,u,v and w

*August 20, 2015 by Goody*

**Algebra**

1. What are the next two terms of the following sequence? 1, 5, 9... A. 27, 211 B. 10,11 C.12,15 D.13,17 2. Which of the following are examples of arithmetic sequences? Choose all that apply. A. -2,2,6,10 B. 1,3,9,27 C. 5,10,20,40 D. 5,1,-3,-7 3. What is the common difference ...

*November 19, 2015 by Danielle*

**arithmetic**

Divide 100 loaves of bread among five men so the amount is arithmetic sequence and the sum of the largest is seven times the amount of the two smallest.

*September 7, 2010 by Anonymous*

**math**

in an arithmetic sequence the common difference is equal to 2.the first term is also the first term of a geometric sequence. the sum of the first 3 terms of an arithmetic sequence and the sum of the first 9 terms of an arithmetic sequence form the 2nd and 3rd terms of a ...

*January 30, 2015 by Brainblocked*

**Math**

1. What are the next two terms of the following sequence? -3, 1, 5, 9... 2. What are the next two terms of the following sequence? -2, 4, -8, 16... 3. What is the common difference of the following arithmetic sequence? 13, -7, -27, -47... 4. What is the ninth term of the ...

*January 15, 2011 by Melanie*

**Math Help Please? (check my work?)**

1. Find the next three terms in the sequence. 3, 12, 21, 30, . . . (1 point) 40, 50, 60 *** 38, 46, 54 39, 48, 57 36, 32, 39 2. Identify the sequence as arithmetic, geometric, or neither. 1.6, 0.8, 0.4, 0.2, . . . (1 point) arithmetic geometric *** neither

*May 27, 2016 by Annaleigh*

**math**

in an arithmetic sequence whose first term is 4, the 1st, 3rd and 7th terms form consecutive terms of geometric sequence, find the sum of the first three terms of the arithmetic sequence

*December 20, 2015 by selina*

**Math **

Tell whether the sequence 1/3,0,1,-2 is arithmetic, geometric, or neither. Find the next three terms of the sequence. A.neither;7,-20,61 B.geometric;7,-20,61 C.arithmetic;1/3,1 1/3,3 D.geometric;-3 1/3, 5 5/9,9 7/27

*August 27, 2016 by jennifer*

**arithmetic**

Find the sum of the 25th term to 50th term of the arithmetic progression 28,23,18, ...

*January 24, 2010 by Eryea*

**arithmetic**

If the first term of an arithmetic sequence is 10 and the 13th term is 58, what is the common difference?

*February 6, 2011 by Anonymous*

**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**

I am to find all possible values of a and b where a, b are positive integers and to show that I have found all of them.For example: "2^3 = 3^1 + 5" is a satisfied equation where(a, b) are (3,1). I know that it can be solved using modular arithmetic but I am NEW to the concept...

*October 26, 2006 by Riddhi*

**math**

suppose an arithmetic sequence and a geometric sequence with common ration r have the same first two terms. show that the third term of the geometric series is r^2/(2r-1) tomes the third term of the arithmetic sequence

*February 17, 2009 by isa*

**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*

**arithmetic sequence **

find the 9th term of the arithmetic sequence with Asub1=10 and =1/2

*July 6, 2016 by alex *

**really no one is gonna help me in math**

7,9,11,13...... A) arithmetic B) geometric C)both D)neither 2. 2,1,1/2,1/4........ A. arithmetic B. geometric C. both D. neither dude im helping and no one helps me 1-a 2-b

*March 9, 2016 by coolguy123*

**Math**

Which explains why the sequence 64, 4, 1/4,... is arithmetic or geometric? A. The sequence is geometric because it decreases by a factor of 1/16. B. The sequence is arithmetic because it decreases by a factor of 1/16. C. The sequence is geometric because it decreases by a ...

*March 24, 2015 by Angel*

**Math**

5 distinct positive reals form an arithmetic progression. The 1st, 2nd and 5th term form a geometric progression. If the product of these 5 numbers is 124 4/9, what is the product of the 3 terms of the geometric progression? Note: The phase "form an arithmetic progression" ...

*May 11, 2013 by Shin*

**math 213 #18**

A student claims that every prime greater than 3 is a term in the arithmetic sequence whose nth term is 6n + 1 or in the arithmetic sequence whose nth term is 6n – 1. Is this true? If so why?

*April 13, 2010 by dan*

**math**

The average (arithmetic mean) of x and y is m, where m does not equal to 0. What is the average (arithmetic mean) of x, y, and z? a.)m b.)4/3m c.)3/2m d.)5/3m e.)2m

*July 10, 2011 by Grace*

**A.P AND G.P AND A.M AND G.M**

Find the arithmetic progression and sum of its first 20 terms whose arithmetic mean and geometric mean between first and third term is 10 and 8 respectively

*February 16, 2016 by Rachana *

**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*

**progressions**

Find the arithmetic progression and sum of its first 20 terms whose arithmetic mean and geometric mean between first and third term is 10 and 8 respectively

*February 16, 2016 by Rachana *