Wednesday

January 18, 2017
**maths **

The fith term of an arithmetic sequence is 23 and the 21th term is 72 Determine the first three terms of the sequence and the nth term

*Wednesday, January 18, 2017 by lerato*

**Math**

If the 15th and 16th term of an arithmetic sequence are 99 and 92 respectively then the 5th term is? Studying for math final and I cannot figure this out

*Monday, January 16, 2017 by chris*

** 9th grade algebra (sequences)**

Can you check my homework please? Given the following representations, tell whether it's arithmetic/geometric, find the difference/ratio, find the explicit formula, find the recursive formula, and the given term. (This whole question was in the form of a table) 1. -6, 12, ...

*Monday, January 16, 2017 by Alexis*

**mental arithmetic**

7/20 of Â£2.00 equals how many pennies? 16 2/3 equal ?/3 19min plus ?hours plus ?min equals 3hours thank u to all who help :D

*Monday, January 16, 2017 by mackenzie*

**maths**

Determine the 10th and 21st terms of each of the arithmetic sequences: 4+7x; 5+9x; 6+ 11x.......

*Sunday, January 15, 2017 by moipone booysen*

**mathematics**

the first four terms of an arithmetic sequence are -1; x ; 3 ; x+8 find the value(s) of x I did the question I can find the values of x

*Sunday, January 15, 2017 by Emily*

**mathematics**

the first four terms of an arithmetic sequence are -1

*Sunday, January 15, 2017 by john*

**Maths **

The third term of an arithmetic profession is 90 and the eleventh is 50.. what is the common difference?

*Saturday, January 14, 2017 by Miley *

**Arithmetic progression**

In a class test some of the answers obtained by Neha in mathematics and science is 28 had she got 3 more in maths is 4 marks class in Science the product of marks in obtained in 2 subjects would have been 180. find the marks obtained is 2 subjects separately. if you found your...

*Saturday, January 14, 2017 by Smeta*

**9th grade algebra (recursive formula)**

Can you explain how to find a sub 1 in the following problem? 1. Given 2 terms in an arithmetic sequence, find the recursive formula. a sub 18 = 3362 , a sub 38 = 7362 Steps: a. Find difference: (7632 - 3362)/(38 - 18) = 4000/20 = 200 b. plug into recursive formula: a sub n = ...

*Tuesday, January 10, 2017 by Alexis*

**plz sequence sir steve reiny bob damon i need u**

The three real,distint and non-zero numbers a,b,c are such that a,b,c are in arithmetic progression and a,c,b are in geometric progression. Find the numerical value of the common ratio of the geometric progression.. Hence,find an expression in terms of a for the sum to ...

*Friday, January 6, 2017 by pooo*

**math**

What is the fifth term in the arithmetic sequence defined by the explicit formula an=6nâˆ’4? Enter your answer in the box. a5=

*Tuesday, January 3, 2017 by Jay*

**Maths**

The first 5 terms of an arithmetic sequence are: 7 13 19 25 31 Prove that the difference between the squares of any two terms of the sequence is always a multiple of 24 Nth term = ? Nth term squared = ? Mth term = ? Mth term squared = ? Difference = ? ? = _(______) This is a ...

*Tuesday, January 3, 2017 by Elle*

**math**

the fifth term of an arithmetic progression is 19,and the fourteenth term is 55. Find its first term

*Monday, January 2, 2017 by triz*

**math C2 sequences and series **

The eight,fourth and second terms of an arithmetic progression form the first three terms of a geometric series. The arithmetic progression has first term A and common difference d, and the geometric progression has first term G and common ratio r. a)Given that d is not equal ...

*Monday, January 2, 2017 by Stephan*

**Algebra**

The sum of n tearm of two arithmetic progressions are in the ratio (7n+1):(4n+27).Find the ratio of their 11th terms

*Saturday, December 31, 2016 by Mihir*

**Maths**

If the angles of triangle ABC are in increasing order and in an arithmetic progression then find sinB

*Thursday, December 29, 2016 by Sanjay*

**a.p.**

find the sum of n arithmetic means between x and 3x

*Monday, December 12, 2016 by warnar*

**a.p.**

find the sum of n arithmetic means between x and 3x. (answer 2nx)

*Thursday, December 8, 2016 by warnar*

**h.p.**

the arithmetic mean of two numbers exceeds the geometric mean by 3/2 and geometric mean excceeds the harmonic mean by 6/5. find the numbers.

*Thursday, December 8, 2016 by warnar*

**duet**

if a.b.c.d are four consecutive terms of an arithmetic progression then show that a^2 -d^2=3(b^2 - c^2)

*Wednesday, December 7, 2016 by tazeen*

**math**

an arithmetic series is such that the ninth term is zero and the sum of first 25 terms is 50.the first term of the series?

*Wednesday, December 7, 2016 by Ana*

**Maths**

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

*Tuesday, December 6, 2016 by Anonymous*

**Maths**

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

*Monday, December 5, 2016 by Anonymous*

**Arithmetic progression **

A person buys national savings certificate of values exceeing of the last years purchase by Rs. 100. after 12years he finds that the total value of certificate purchased by him is Rs. 7,200 find the value of the certificate purchased by him (1) in the first year and (2) in the...

*Monday, December 5, 2016 by Warnar*

**Maths**

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

*Monday, December 5, 2016 by Anonymous*

**Algebra 2**

What is the sum of the arithmetic series 5 (sigma sign) n-1 (3n-2)?

*Thursday, December 1, 2016 by Dani*

**additional mathematics **

if the 2nd term and the 4th term of an arithmetic progression are 15 and 23 respectively, find the first term and the common difference

*Wednesday, November 30, 2016 by yoyo*

**object oriented programming**

Letâ€™s consider there will be 5 delicious food available at your new restaurant which will open by the end of 2016. To make the cashier's job easier, build a C++ console application to automate the process of billing on a daily basis. Specifically, the ...

*Tuesday, November 29, 2016 by ramaah*

**math**

An arithmetic series is such that the 10th term is 40 and the sum of the first 10 terms is 265. Find the sum of the first 20 terms.

*Monday, November 28, 2016 by Fernando*

**Math**

The sums of n terms of two arithmetic series are in ratio of 2n+1:2n-1. Find the ratio of their 10th terms.

*Friday, November 25, 2016 by Prince*

**Mathematics**

if 8; 2x; 2y form an arithmetic sequence and 2x; 2y; 36 form a geometric sequence determine the values of x and y I feel like I am going around in circles on this problem. For the AP i have the following formulas: (1) d=(2y-8)/2 (2) d=2x-8 (3.1) (2y-8)/2=2x-8 or (3.2) (2y-8)/2...

*Thursday, November 24, 2016 by Taryn Francis-Boyd*

**Arithmetic**

If pencils are bought at 70 cents per dozen and sold at 3 for 20 cents, the total profit on 6 dozen is?

*Wednesday, November 16, 2016 by Chris*

**Arithmetic**

a folding chair regularly sells for $29.50. how much money is saved if the chair is bought at a 20% discount?

*Tuesday, November 15, 2016 by chris*

**math**

12, âˆ’9, 6, âˆ’3, .. whats the arithmetic function?

*Thursday, November 10, 2016 by lola*

**Arithmetic**

a boy sold $88.50 worth of stationery. If he received a 33 1/3% commission, what was the amount of his commission?

*Monday, November 7, 2016 by chris*

**arithmetic**

on a certain day, the temperature range from -2f to 10f. what is the difference between the high and low temperatures for that day?

*Monday, November 7, 2016 by chris*

**PreCalc**

The fifth term of an arithmetic sequence is equal to 6 and the sum of the first 12 terms is equal to 45. Find the first term and the common difference.

*Sunday, November 6, 2016 by Cloud*

**Arithmetic**

A man paid $42.30 for gasoline in may, $38.60 in June, and $43 in July. What was the average monthly cost for gasoline?

*Saturday, November 5, 2016 by chris*

**Arithmetic**

A man owned 75 shares of stock worth $50 each. The corporation declared a dividend of 8 percent payable in stock. How many shares did he then own? 81 shares but how?

*Saturday, November 5, 2016 by chris*

**mathe arithmetic progression **

If the term 7th of an A.P are 18 and 30 respectively.find the 13th term

*Friday, November 4, 2016 by nikhil *

**Algebra**

Find the next three terms of the Arithmetic sequence, 3/4,1/2,1/4,1,..

*Tuesday, November 1, 2016 by Rachel*

**Algebra **

Tell whether the sequence is arithmetic. if it is what is the common difference? A. no B. 1/4 C. 1/8 D. 8 My best answer is A. is that correct

*Friday, October 28, 2016 by Leslie *

**Mathematics**

The first term of an Arithmetic Progression is -4 and the 15th term is double the 5th. Find the 12th term of the AP

*Tuesday, October 25, 2016 by KAdila*

**Algebra II**

Find the recursive formula for the following sequence and determine if the sequence is arithmetic or geometric. A) 3,7,11,15.... B) -5,-15,-75....

*Monday, October 24, 2016 by Luisa*

**A.p.**

Find the sum of n' arithmetic means between x and 3x.

*Wednesday, October 19, 2016 by Vijay *

**Arithmetic progression**

Which term will be 27 of the sequence 5,7,9,11,....: Sir this question answer 10 how it possible i am confused

*Tuesday, October 18, 2016 by Vijay*

**Arithmetic progression**

Find the sum of the numbers lying between 1 and 100 which are divisible by 2 or 5.

*Monday, October 17, 2016 by Vijay*

**Arithmetic progression**

Divinde 24 into four parts which are in A.P. such that the sum of their squares is 164.

*Saturday, October 15, 2016 by Vijay*

**Quick math help**

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an. Arithmetic sequence ...

*Wednesday, October 12, 2016 by Anonymous*

**Quick Math Help**

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an. Arithmetic sequence ...

*Tuesday, October 11, 2016 by Anonymous*

**Quick math help **

Find the sum of the first 10 positive integers Is it 110? Which term of the arithmetic sequence is 25? -2,1,4,... Is it 70? Which term of the arithmetic sequence is177? 2,9,16,... Is it 1234? Find the sum of the first 8 positive odd integers. Is it 64?

*Monday, October 10, 2016 by Anonymous*

**Quick math help**

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an. Arithmetic sequence ...

*Monday, October 10, 2016 by Anonymous*

**Arithmetic progerssion**

If n th term of a sequence is 2an+b, where a, b are constants, is this sequence an a.p.?

*Monday, October 10, 2016 by Vijay*

**Arithmetic progerssion**

Show that(a-b)2,(a2+b2), are in a.p

*Monday, October 10, 2016 by Vijay*

**Science**

1.) Why is it important to have a quiet study space? It is easier to concentrate in a quiet space, and concentration is needed to learn. * It is easier to leave all your study material in a quiet study space so you can find it. A quiet study space prevents incorrect ...

*Saturday, October 8, 2016 by Dylan*

**Math**

Just a quick question: I'm trying to find the least residue of 7^5 mod 50. I've been messing about with Chinese remainder theorem etc... But it seems a bit easy which is throwing me off and making me think I'm solving another question. So instinctively I know that ...

*Monday, September 26, 2016 by Mrbob*

**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.

*Sunday, September 25, 2016 by mahesh p*

**maths **

if the C.P. of an umbrella be decreased by Rs.60, there is a profit of 7.5% at present instead of a loss of 5% of the past. What was the C.P. of the umbrella at past.? [Please answer the question using Pure Arithmetic.]

*Sunday, September 25, 2016 by phum*

**maths need help**

angles of a certain polygon are in arithmetic sequence. The smallest interior angle measures 80 degrees and the largest interior angle measures 160 degrees. How many sides does the polygon have? Plz show me work i don't know it at all plz

*Saturday, September 24, 2016 by phum*

**social studies**

1. Which factor best explains why Native Americans were able to make permanent settlements? Native Americans began to cultivate plants for food. Native Americans began to create more complex tools and pottery. Native Americans discovered alternative food sources, such as ...

*Friday, September 23, 2016 by syn*

**math**

An arithmetic progression as the same first and second terms as the geometric progression. Find the sum of the first 20 terms of the arithmetic progression. How do I do this? I tried to find the common ratio for G.P. and then substitute it to find the 20th term but, still have...

*Wednesday, September 14, 2016 by lin*

**Math**

6,16,26,36,46 It is an arithmetic sequence or a geometric sequence or neither ?

*Monday, August 29, 2016 by Yoskary*

**Math **

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

*Saturday, August 27, 2016 by jennifer*

**Math**

The score for half of the students in a class on a certain test was 90. The score for another fourth of the students was 84. if the average (arithmetic mean) score for all of the students was 82, what was the average score for the remaining students?

*Wednesday, August 24, 2016 by Anonymous*

**Math**

If b= 11a, what is the average (arithmetic mean) of b and a in terms of a?

*Wednesday, August 24, 2016 by Anonymous*

**Math**

Twenty-five people are asked to donate money to a local charity.Exactly fifteen (15) give at least P100 each. If x is the average (arithmetic mean) amount donate, what is the lowest possible value of x?

*Wednesday, August 24, 2016 by Anonymous*

**Math- Geometric solutions and problems RIA**

A. -x^3 and x^11 ; 3 B. 0.6 and -0.002025; 2 C. x^2,x^6,x^10.... (A sub 20) * sorry for the sub :D but I guess that's already clear? Hehe. D. a^2/2 , a^4/4, a^6/8.... (A sub 10) E. X+1, 2x^2 + 2x, 4x^3 + 4x^2 (A sub 6) F. 32y^2, 16y^2, 8y^2 (A sub 8) * sorry for the sub ...

*Thursday, August 18, 2016 by Ria*

**Math- arithmetic**

A pile of blocks has 60 blocks in the bottom row, 54 blocks in the second row, 48 blocks in the third row, and so on until there are only 6 blocks on the top row. How many blocks are in the 8th row? 10th row?

*Wednesday, August 17, 2016 by Ria*

**math**

The sum of the 1st nine terms of an arithmetic series is 216. The 1st,3rd and the 7th terms of series form the 1st three terms of a geometric series. Find the 1st term and the constant difference of the arithmetic series ?

*Sunday, August 14, 2016 by mpho makua*

**math**

The second and sixth terms of an arithmetic sequence is 2:5 and their sum is 28. Find the sum of the first 10th term.

*Thursday, August 4, 2016 by Hitome Muramasa*

**Maths**

By expanding the inequality(the square root of A-the square root of B)^2>0,show that the arithmetic mean of two unequal numbers is greater than their geometric mean.Check by using the numbers a)10 b)2root2 c)2/3

*Thursday, July 28, 2016 by Efa *

**Maths**

the arithmetic mean of two numbers is 15, and their geometric mean is 9. find the numbers

*Monday, July 25, 2016 by Efa *

**mathematics**

the 10th term of an arithmetic sequence is equal to the sum of 40 and 5th term.If the 15th term is 127 what is its common difference?what is its first term?what is the sum of the first 30 terms.

*Saturday, July 23, 2016 by krishna*

**Arithmetic/Geometric Sequence**

2/3, 1/3, 2/9, 1/6 Create an explicit formula for this. Is it an arithmetic or geometric sequence?

*Thursday, July 21, 2016 by Anonymous*

**Maths **

The numbers p,10 and q are 3 consecutive terms of an arithmetic progression .the numbers p,6 and q are 3 consecutive terms of a geometric progression .by first forming two equations in p and q show that p^2-20p+36=0 Hence find the values of p and q for which the geometric ...

*Wednesday, July 13, 2016 by Nyasha*

**think mathematically**

Make up an arithmetic sequence problem (find the 10th value)

*Saturday, July 9, 2016 by Sallly*

**arithmetic sequence **

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

*Wednesday, July 6, 2016 by alex *

**arithmetic sequence **

give the sequence of 5 term if the first term is 8 and the last term is 100

*Wednesday, July 6, 2016 by alex *

**algebra**

The second term of an arithmetic sequence is 24 and the fifth term is 3.Find the first term and the common difference.

*Wednesday, June 29, 2016 by rhey*

**Math**

- If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?

*Wednesday, June 29, 2016 by Samantha Silva*

**Math**

If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?

*Wednesday, June 29, 2016 by Sam*

**math**

I can't solve this one: The second term of an arithmetic sequence is 24 and the fifth term is 3.Find the first term and the common difference. How could I get the answers if there's only two given numbers?

*Monday, June 27, 2016 by maiah*

**Math**

If the 16th term of an arithmetic sequence is three times the fourth term, find the ratio of the 23rd term to the third term.

*Monday, June 27, 2016 by James*

**MATH ARITHMETIC SEQUENCES**

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

*Wednesday, June 22, 2016 by DANIELA*

**math**

still need help: Write an arithmetic sequence that has a common difference of 4 and the eighth term is 13. What is the first term? What is the 23rd term in the sequence

*Saturday, June 18, 2016 by Randy*

**Algebra**

I am so lost on these problems. Write a geometric sequence that starts with 3 and has a common ratio of 5. What is the 23rd term in the sequence. Write an arithmetic sequence that has a common difference of 4 and the eighth term is 13. What is the first term? What is the 23rd ...

*Friday, June 17, 2016 by Randy*

**Math10**

The 4th term of an arithmetic sequence is 18 and the 6th term is 28. Give the first 3 terms. Use the formula

*Thursday, June 16, 2016 by Louie*

**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

*Friday, May 27, 2016 by Annaleigh*

**math**

If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?

*Thursday, May 26, 2016 by Anonymous*

**math**

If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?

*Wednesday, May 25, 2016 by rebecca*

**maths**

1 +4 +8 +9 +12 +16+ 20 + 24 +27+ 28....729 +732. STATE THE FIRST THREE TERMS AND THE. LAST TERM OF THE ARITHMETIC SERIES

*Wednesday, May 18, 2016 by nduduzo luthuli*

**Math**

Consider the following series: 1,2,3,4,5,10,20,40....which starts as an arithmetic series? ...but after the first five terms becomes a geometric series. Prove that any positive integer can be written as a sum of distinct numbers from the series. I know how to do the base case

*Tuesday, May 17, 2016 by MO*

**math**

Given that the sum of the first 20 terms of an arithmetic sequence is 1150 and the fifth term is twice the second term . find: 1.The first term and the common difference 2. find the general formula

*Tuesday, May 17, 2016 by martin np*

**Algebra **

Is this sequence 10, 15, 20, 25, 30 an arithmetic or geometric sequence? Then find the explicit formula and recursive formula for the given sequence.

*Tuesday, May 17, 2016 by Steph *

**math**

The second term of an arithmetic progression is 8 and the eleventh term is -10 Find the first term, the common differrnce and sum to 15 terms

*Monday, May 9, 2016 by may*

**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.

*Sunday, May 8, 2016 by Henry*

**math**

The 3rd term of an Arithmetic Progression 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 15th terms of the Arithmetic Progression if the 7th term is seven times the first term.

*Sunday, May 8, 2016 by Toba*

**Math**

Algebra 2 A sequence is of pyramids is created where the first pyramid has a height of 6 inches and a base area of 10 inches, for a volume of 20 cubic inches. The height of the next pyramid is twice the height of the previous pyramid. The input of the sequence is the position ...

*Thursday, May 5, 2016 by Brenda*

**MATH HELP ASAP**

identify the sequence as arithmetic, geometric, or neither. please explain answer 1.6,0.8, 0.4, 0.2,...

*Wednesday, May 4, 2016 by Anon*