Friday

January 30, 2015

January 30, 2015

Number of results: 7,121

**Math (Geometric Progression)**

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 phrase "form an arithmetic progression" ...
*June 22, 2013 by Shin*

**Maths - Geometric Progression**

Find the value of x for which the numbers x+1, x+3, x+7, are in geometric progression.
*October 4, 2012 by Anonymous*

**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*

**Arithmetic**

The first, second and third terms of a geometric progression are 2k+3, k+6 and k, respectively. Given that all the terms of geometric progression are positive, calculate (a) the value of the constant k (b) the sum to infinity of the progression.
*June 16, 2014 by Tara*

**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*

**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**

1) If the number 1,1/3,1/9, are terms of Geometric progression. Find its common ratio 2) If the second term of Geometric progression is equal to 3, and the 5th term is equal to 81/8. Find the 7th term. 3)If x,y,3 is a Geometric progression. Find the value of x and y 4) Insert ...
*March 12, 2011 by bogoss *

**math**

1)Find the sum of the first eight terms of the Geometric progression 256,128,64,32 2)How many terms should be taken from the Geometric progression 4,12,36 for the sum to be 2188
*March 19, 2011 by la bellgoss*

**maths**

how arithmetic and geometric progression can be used to solve problems related to banking business?
*December 15, 2010 by kulwa*

**economics**

please i wish to know the relationship between arithmetic progression and geometric progression as related to business studies
*November 9, 2010 by Anonymous*

**maths**

Find two geometric progression having: 2 as second term and 1458 as eight term,
*June 15, 2013 by Shane*

**Geometric Progression**

Integers a, b, c, d and e satisfy 50<a<b<c<d<e<500, and a,b,c,d,e form a geometric sequence. What is the sum of all possible distinct values of a?
*June 19, 2013 by Mathslover*

**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*

**intro cal**

the first 3 term of a geometric progression are k-4, 2k-4, 4k+4. what is the value of k? can someone help please! in any geometric progression any term divided by its previous term gives you the common ratio, so .... (2k-4)/(k-4) = (4k+4)/(2k-4) cross-multiply and proceed. I ...
*May 18, 2007 by Emma*

**Geometric Sequence**

The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.
*March 12, 2013 by Will*

**Maths - Geometric Progression**

The second term of a GP is 1/2 and the sum ti infinity of the series is 4. Find the first term and and the common ratio of the series.
*September 25, 2012 by Anonymous*

**Maths**

A geometric progression has a third term of 20 band sum to infinity which is three times the first term. find the first term.
*September 10, 2011 by Tejiri*

**math**

There are two positive numbers that can be inserted between 3 and 9 such that the first three are in geometric progression while the last three are in arithmetic progression. Find the sum of those two numbers.
*February 14, 2011 by Sidney*

**math**

If the sum of the first and the second terms of an infinite Geometric progression is equal to 3/8, and the sum of its term is equal to 1/2. find the common ratio of the first term of the progression
*November 5, 2010 by Ali*

**math**

I would need help with example: The sum of three consecutive terms of geometric progression is 9. The first number with no change, the second number plus 12 and the third number minus 3, are the 3 consequtive terms of arithmetic progression. What are the values of original 3 ...
*January 10, 2015 by Viktoria*

**math**

Find the reason for the geometric progression in which a1 = 1, n = 3, S3 = 157
*June 10, 2014 by Dany*

**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*

**maths**

In the sequence: x+4y ; 2y+2 ;x ;y-1, (consisting of 4 terms) the first three terms form an arithmetric progression, while the last three tern form a geometric sequence. Calculate the values of x and y. Answer(s) can be left in surd form.
*February 21, 2010 by Anonymous*

**math**

I would need help with example: The three numbers are consecutive terms of arithmetic progression and the sum of their second powers is 126. The first number 3 times smaller, the second number with no change and the third number 4 times greater, are the 3 consequtive terms of ...
*January 11, 2015 by Viktoria*

**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*

**math**

in a Geometric progression the sum of the first and the second terms is 90 and the sum of the second and the fourth terms is equal to 30.find the sum of the first 8th term in the progression
*November 5, 2010 by Ali*

**math**

find the sum of the first 8th term of the Geometric progression, 1,3,9,27
*November 5, 2010 by Ali*

**Algebra/Number Theory**

In a sequence of four positive numbers, the first three are in geometric progression and the last three are in arithmetic progression. The first number is 12 and the last number is 452. The sum of the two middle numbers can be written as ab where a and b are coprime positive ...
*July 23, 2013 by John Berkhamp*

**math sequenc**

the nth term of the geometric progression is 3(2^n-1). how many terms are less than 200?
*January 8, 2013 by HELP HELP MNHS*

**math**

P is the product ,n is the consecutive term of geometric progression, s is tje sum of their reciprocal then(S/R)n is equal a) p b) p2 c) p3 d) pn
*September 30, 2014 by mayuri shelke *

**math**

The n th term (Un) of a progression geometric is given by the formula 2(1.1)^n. Find the least value of n such that Un ≥ n
*April 11, 2011 by jack*

**math**

In Geometric progression the sum of first of three terms is 28 and the product is 512 find those numbers
*March 16, 2011 by Dhanalakshmi*

**math**

Add the odd numbers divisible by 3 lying between 200 and 400.is arithmetic or geometric progression.
*August 26, 2014 by emmanuel*

**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*

**trig**

if sina,cosa,tana are in geometric progression then prove that cot^6a-cot^2a=1
*March 20, 2011 by Anonymous*

**Math**

The product of three numbers in geometric progression is 1, their sum is -2/3. Find the numbers.
*November 2, 2013 by Adigun*

**mathematics trignometry**

if sina, cosa, tana are in geometric progression then prove that cot^6a-cot^2a=1
*March 20, 2011 by Anonymous*

**Math**

Given a geometric progression: 0.05, 0.2, 0.8, ... Find the sum from the 5th term to the 8th term?
*January 18, 2013 by azmeerahim*

**Math**

If a, b, and c are three integers in geometric progression, prove that the number a^2+b^2+c^2 is exactly divisible by the number a+b+c.
*May 6, 2014 by Lina*

**math**

The amounts of oil pumped from an oil well in each of the years 2001 to 2004 formed a geometric progression with common ratio 0.9. The amount pumped in 2001 was 100000 barrels. Calculate in which year the amount pumped will fall below 5000. The amounts of oil pumped from an ...
*May 12, 2007 by Rashida*

**Math**

Find the sum to 5 terms of the geometric progression whose first term is 54 and fourth term is 2.
*June 15, 2013 by Fadhlur Rahmah*

**Help w/ Math PLS**

If a, b, and c are three integers in geometric progression, prove that the number a^2+b^2+c^2 is exactly divisible by the number a+b+c.
*May 7, 2014 by Lina*

**math**

The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.
*March 12, 2013 by Will*

**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*

**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*

**math**

To find three numbers in geometric progression, knowing that their sum is 78 and the highest 30 units exceeds the sum of the first and second term.
*June 10, 2014 by Victor*

**Maths**

The first, third and ninth terms of an arithmetic sequence form the terms of a geometric sequence. Find the common ratio of the geometric sequences. a, a+2d, a+8d a+2d/a = a+8d/a+2d ?
*January 16, 2015 by Michael*

**Trig/Precalc**

Two questions that I would really appreciate some hints on: 1) Circles with centers (2,1) and (8,9) have radii 1 and 9, respectively. The equation for a common external tangent can be written in the form y=mx+b with 0<m. What is b? 2) In triangle ABC, AB=BC, and BD is an ...
*January 20, 2015 by majorbill*

**math**

with clear illustrations and examples explain how arithmetic and geometric progression can be used to solve problems related to a)construction of business b)banking business c)production/operation function
*December 11, 2010 by shadrack*

**calculus**

which number should be subtracted from each of the three numbers 5, 15, and 50 so that the resulting three numbers form a geometric progression?
*June 15, 2013 by nomee*

**algebra**

Okay, I was taught that if a geometric series is infinite and it diverges then it has no limit and no sum. Looking back in my notes, I found an example of finding the value for a divergent series? Is this possible? The sum of an infinite geometric progression is infinite when ...
*May 31, 2007 by Jane E.*

**AP calculus**

The consecutive terms of an arithmetic progression are 5-x, 8, 2x. Find the common difference of the progression.
*December 3, 2011 by Watermelon*

**AP calculus**

Given an arithmetic progression -7,-3,1,..., state three consecutive terms in this progression which sum up to 75.
*November 24, 2011 by Watermelon*

**maths-Arithmetic progression**

Prove that mean of squares of first n natural numbers is (n+1)(2n+1)/6
*December 27, 2012 by Anonymous*

**mathematics**

given tha geometric progression x,y,15.find the value of x,find the value of y ?
*January 25, 2012 by michael*

**Algebra help PLEASE? **

14, 8, -16, 32... Arithmatic. 64, 128, 256 geometric, -64, 128, -256 geometric, -48, 64, -80*** the sequence is neither geometric nor arithmatic 81, 27, 9, 3.. aruthmatic , 0,-3,-6 geometric, 0,-3,-6 geometric, 1, 1/3, 1/9
*April 21, 2014 by Aniston*

**Maths**

Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000. How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?
*April 29, 2013 by ianian*

**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*

**Algebra**

3 real numbers that form a geometric progression have sum equal to 175 and product equal to 17576. What is the sum of the largest and smallest numbers?
*March 18, 2013 by John*

**Algebra**

3 real numbers that form a geometric progression have sum equal to 175 and product equal to 17576. What is the sum of the largest and smallest numbers?
*March 18, 2013 by Joe*

**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, 9, 3...
*March 19, 2013 by Cassie*

**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*

**maths - series**

U1=3 (take them both into consideration) Un+1=Un /2 List the first five terms, and if possible, describe the type of progression
*May 24, 2008 by Anonymous*

**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 first term of an arthmetic progression is 1 and its last term is 28, find the sum of the progression if their number is 10
*November 1, 2010 by sonia*

**Maths**

Find 8 terms of the arithmetic progression if the second term is 2 and the sixth term is 5
*March 5, 2012 by Great*

**maths**

calculate the 16th term of an arithmatic progression he its fifth term is 6 and its 12th is 41.
*April 9, 2012 by mafika *

**Maths**

The first term of an AP is 3 and the eleventh term is 18.find the number of terms in the progression if the sum is 81.
*August 28, 2013 by Melody*

**maths**

determine the first three terms of the erithmetic progression of which the 7th term is 3 and the 12th term is -3?
*January 22, 2015 by saku*

**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 *

**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 point...
*April 28, 2013 by Gabby*

**Math**

The sum of the first nth term of a geometric progression is 127 and the sum of their reciprocal is 127/64. The first term is 1. Find n and the common ratio.
*November 2, 2013 by Adigun*

**maths**

What is the smallest positive common difference of a 6-term arithmetic progression consisting entirely of (positive) prime numbers?
*March 21, 2013 by rohit*

**maths**

Insert three geometric means between 1 and 81.
*April 28, 2013 by ELIJAH HAVA*

**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**

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**

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

**Maths**

Find the sum to infinity of the geometric series n=1 ,3/10n =3/10+3/1000+....................
*May 9, 2013 by Zanele*

**maths**

the first three terms of a geometric sequence are: t1; t2 and t3. if t2=t1-4 and t3=t2-9. determine the values of t1; t2 an t3
*February 16, 2014 by anonymous*

**Maths**

The first term of an arithmetic sequence is 2. The first, third and eleventh terms are the first three terms of a geometric sequence. Determine the seventh term of the geometric sequence
*March 1, 2012 by Anonymous*

**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*

**Maths**

If 9th term of an arithmetic progression is 0, prove that its 29th term is double the 19th term.
*January 9, 2014 by Anonymous*

**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**

In a Geometric progression the sum of its first 4 term is equal 15, and the sum of the next term is equal to 15/16. find its first term and its common ratio
*November 5, 2010 by Ali*

**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*

**Geometric Progression**

A mortagge is taken out for $10,000 and is repaid by annual installments of $2,000. Interest is charged on the outstanding debt at 10%, calculated annually. If the first repayment is made one year the after the mortagage is taken out, find out the number of years it takes for ...
*September 25, 2012 by Math*

**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*

**Maths**

if the third term of a geometric sequence is 7, what is the common ratio? would appreciate if u can show me the working. Thank you
*January 3, 2015 by Andrew*

**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*

**maths**

Integers a, b, c, d and e satisfy 50<a<b<c<d<e<500, and a,b,c,d,e form a geometric sequence. What is the sum of all possible distinct values of a?
*June 17, 2013 by shiv*

**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*

**MATHs**

The three terms x+12, 3x+5 and 2x+25 are the first three terms of an arithmetic progression. What is the value of x?
*April 5, 2013 by Oian*

**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*

**Maths**

An arithmetic and a geometric sequence have the same first terms.(2)....and the same second term say X..The sum of the first 3 terms of the arithmetic sequence equals to the third term of the geometric sequence.Calculate the first 3 terms of each sequences
*February 3, 2013 by Lucas*

**math**

For a soccer game has been on sale 4 types of locations. The ticket prices for different locations form a geometric progression. If a person bought a ticket for each locality would spend 32.5 dollars and would see that the price of the most expensive is 3,375 times the price ...
*June 10, 2014 by Jessy*

**math**

For a soccer game has been on sale 4 types of locations. The ticket prices for different locations form a geometric progression. If a person bought a ticket for each locality would spend 32.5 dollars and would see that the price of the most expensive is 3,375 times the price ...
*June 10, 2014 by myke*

**Geometric Series (Algebra 2)**

I need some assistance or a formula when trying to find the first term of geometric series please! I don't understand this!!!! What is the first term of a geometric series with a summation of 289, 5 terms and a common ratio of 1/2?
*April 14, 2012 by Greg*

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