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March 27, 2017

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Homework Help: Math: Arithmetic

Recent Homework Questions About Arithmetic

consumer math
Adam has created a register for the bank account he opened on April 16th. Unfortunately, Adam has made a mistake and cannot figure out where he went wrong. Use the transaction descriptions below to determine where his error is. The account was opened on April 16 with a tax ...
Friday, March 24, 2017 by Anonymous

math - consumer arithmetic
Joe and Wendy bought a house costing $210000. They paid a 35% deposit and borrowed the remainder at a flat interest rate of 7.75% p.a. payable over 25 years. What is the amount of their total monthly instalment?
Friday, March 24, 2017 by Anonymous

math
calculate the first ten term of an Arithmetic progression whose 5th term is 24 and the difference the 7th and 10th term is 15
Wednesday, March 22, 2017 by Lazarus

Series
One sequence of alternating terms of the series 1+2+3+4+5+8+... forms an arithmetic progression, while the other sequence of alternating terms forms a geometric progression. Sum the first 10 terms of each progression and hence find the sum of the first 20 terms of the series.
Thursday, March 16, 2017 by youngguru

Series
Given that 1/(y-x), 1/2y, and 1/y-z are consecutive terms of an arithmetic progression, prove that x,y, and z are consecutive terms of a geometric progression.
Wednesday, March 15, 2017 by Raj

Math, Series
Given that 1/(y-x), 1/2y, and 1/y-z are consecutive terms of an arithmetic progression, prove that x,y, and z are consecutive terms of a geometric progression.
Wednesday, March 15, 2017 by Raj

math 1
c) 36,31,25,21,... t7 and t20 arithmetic and geo metric
Wednesday, March 15, 2017 by Rocky

Mathematics
The eighth term of an arithmetic series is twice the third term. The sum of the first eight terms are 39.Calculate the first term. Please help i've been stuck for hours on this question
Wednesday, March 15, 2017 by Ryan

Maths
The eighth term of an arithmetic series is twice the third term. The sum of the first eight terms are 39.Calculate the first term. Please help
Wednesday, March 15, 2017 by ryan

geometry
Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A(n)=-2+(n-1)(-2.2)
Saturday, March 11, 2017 by Anonymous

Math
4. Identify the sequence 1,024, 64, 4, 1/4,... as arithmetic, geometric, neither, or both,
Tuesday, March 7, 2017 by ScoMiche

math
Find the arithmetic sequence whose fifth term = 21, and the tenth term = 3 times the second term
Sunday, March 5, 2017 by Farouk

math
I was just wondering, what is the difference between an arithmetic sequence and a geometric sequence?
Thursday, March 2, 2017 by mariam

Math,science
The 5th term of an arithmetic progression is 23 and the 12th term is 37.find the third term and common different
Monday, February 27, 2017 by Glory

Math
An arithmetic sequence has a first term of 0 and a 10th term of 15. If 10 is an output of the sequence, which term number is it? Show and explain how you know you have the correct answer.
Friday, February 17, 2017 by Candy

Math - Sequences
Could someone help me with this question?? What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? A. 15, 30, 45, 60 B. 15, 16.5, 18, 19.5 C. 15, 22.5, 33.75, 50.625 D. None of the above
Thursday, February 16, 2017 by Amber

Maths
An arithmetic progression start 3+2a, 3+4a,3+6a if the fifth term is 73 work out value a?
Tuesday, February 7, 2017 by Maryam

Algebra
Find the sum of 35 terms of an arithmetic series of which the first term is "a" and the fifteenth term is "9a."
Tuesday, February 7, 2017 by Anonymous

Algebra
If the first and the last terms of an arithmetic series are 10 and 62, show that the sum of the series varies directly as the number of terms
Tuesday, February 7, 2017 by Anonymous

mental arithmetic pls help( ASAP)
Katie went on holiday on 29 July and returned on 7 August .For how many days was she on holiday?
Tuesday, February 7, 2017 by laceh

mental arithmetic pls help( ASAP)
50% of a sum of money was £7.00. Find the whole sum of money.
Tuesday, February 7, 2017 by laceh

mental arithmetic
The three angles of a triangle each measure 60 degrees. Describe the triangle according to a)its angles b)its sides thank you if you help :D :)
Monday, February 6, 2017 by laceh

Maths
In the arithmetic sequence 5;7;10;13 which term is greater than 150
Monday, February 6, 2017 by Siphosethu

Math
Find 2 numbers whose arithmetic mean exceeds their geometric mean by 2and whose harmonic mean is 1/5 of the larger number
Saturday, February 4, 2017 by Rangesh

Algebra 2
The sum of four numbers in arithmetic progression is 16. The square of the last number is the square of the first number plus 48. What are the four numbers?
Friday, February 3, 2017 by Alex Chien

math
in an arithmetic sequence 17th term is 9 times the first three terms and the 9th term is 6 less than 3 times the 1st term. Find the first three terms
Friday, February 3, 2017 by jessica

math
Three numbers form a geometric progression. If the second term is increased by 2, then the progression will become arithmetic and if, after this, the last term is increased by 9, then the progression will again become geometric. Find these three numbers.
Saturday, January 28, 2017 by Anonymous

math
The sum of the first 9 terms of an arithmetic series is 144, and the sum of the first 14 terms is 329. Find the first 4 terms of the series.
Monday, January 23, 2017 by Peter

math
find the sum of each arithmetic series (a)5+8+11+....to 20 terms
Sunday, January 22, 2017 by machaka

math
p;2p+2;5p+3 arithmetic sequence determine the next three terms
Sunday, January 22, 2017 by machaka

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, 24...
Monday, January 16, 2017 by Alexis

mental arithmetic
7/20 of £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=6n−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
Let’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 billing system must...
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, −9, 6, −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 7^2=49 so 49...
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.  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
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 thingy...
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

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Homework Help: Math

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