Tuesday
September 27, 2016

Homework Help: Math: Arithmetic

Recent Homework Questions About Arithmetic

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 dont 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 ...
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

PLEASE HELP ASAP ALGEBRA
indentify the sequence as arithmetic, geometric, or neither. 3,4.5,6,7.5,... a. arithmetic b. geometric c. neither please help i dont know the answer
Wednesday, May 4, 2016 by Anon

MATH HELP ASAP
identify the sequence as arithmetic, geometric, or neither 3, 4.5,6,7.5,...
Tuesday, May 3, 2016 by Anon

Please help
what is the sum of arithmetic series 2+5+8+...+260?
Tuesday, May 3, 2016 by Jay

Algebra
1. Find the general rule for each arithmetic or geometric sequence. 2. Calculate the 10th term for each sequence. a) a=a sub n-1*n a sub one=9 b) a sub n=a sub n-1 + 8 a sub 1=-17 c) a sub n=a sub n-1 + 2 a sub 1=9 d) a=n*a sub n-1 a sub one=1 I don't understand how to ...
Tuesday, May 3, 2016 by John Brown

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 ___________________
Thursday, April 28, 2016 by Anonymous

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

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, ...
Wednesday, April 27, 2016 by Sam

Arithmetic sequence
Three consecutive terms of an arithmetic sequence have a sum of 12 and a product of -80 .Find the terms. [hint : let the terms be x - d, x and x + d . ]
Tuesday, April 26, 2016 by Posul

maths
The first four terms of an arithmetic sequence are 2, x-y, 2x+y+7 and x-3y where x and y are constants. Find the x and y and hence find the sum of the first 30 terms.
Tuesday, April 26, 2016 by Anonymous

maths
how many terms in the arithmetic series are needed to make a total of 204? 2 + 3.25 + 4.5 + .....
Tuesday, April 26, 2016 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.
Tuesday, April 26, 2016 by Anonymous

Ic
Write an application that prompts the user for two integers and then prompts the user to enter an option as follows: 1 to add the two integers, 2 to subtract the second integer from the first, 3 to multiply the integers, and 4 to divide the first integer by the second. Display...
Sunday, April 24, 2016 by Souad

sequence
Select the first five terms in the arithmetic sequence an = 4n, starting with n =
Saturday, April 23, 2016 by jim

sequences and Series
If 5 times the 5th term is equal to the 6 times the 6th term of an arithmetic sequence then its 11th term is.......
Thursday, April 21, 2016 by Wawen

math
the 9th term of an arithmetic sequence is 29. the 16th term is 50. what is the 20th term ?
Wednesday, April 20, 2016 by kadedria

algebra
three numbers are in harmonic progression. If the third number were decreased by 4 they would be in arithmetic progression. If the third number were decreased by 3 they would be in geometric progression. Find the third term of the harmonic progression.
Monday, April 18, 2016 by Ginotomba

mats
If 5 times 5th term is equal to the 6times the 6th term of an arithmetic sequence,then its 11th is?.
Friday, April 15, 2016 by Jethro

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...
Friday, April 8, 2016 by UNKNOWN

General arithmetic and reasoning
The ratio of the length to a width of a sheet is 3:2. If length is 24 meters, find out the width?
Wednesday, April 6, 2016 by Abhay

Math
The measures of the sides of a right triangle form an arithmetic sequence of common difference 2. What are these measures?
Tuesday, April 5, 2016 by John

mathematics
if7 times the 7th terms ofan arithmetic progression is equal to 11 time is 11th terms, show that its 18th term is 0 can you find the 1st terms andthe common difference -justify your answer
Monday, April 4, 2016 by rajeswari

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
Sunday, April 3, 2016 by oliver

math
identify the sequence 3888 , 216 , 12 , 2/3 , as arithmetic geometric neither of both
Friday, April 1, 2016 by HELP PLS

Physics
A man drags a 68.0-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 23.5° above the horizontal, and the strap is inclined 55.0° above the horizontal. The center of gravity of the crate ...
Thursday, March 31, 2016 by Anonymous

math
1. Write a rule for the sequence. 5, –4, –13, –22,… (1 point) Start with –9 and add 5 repeatedly. Start with 5 and add 9 repeatedly. Start with 5 and subtract –9 repeatedly.*** Start with 5 and add –9 repeatedly. 2. Find the next three terms ...
Thursday, March 31, 2016 by rhydian morris

Algebra 2
The deposits Ginny makes at her bank each month form an arithmetic sequence. The deposit for month 3 is $150, and the deposit for month 5 is $180. Answer these questions 1.what is common differences for each month? $15 2.write explicit formula for arithmetic sequence 3.amount ...
Thursday, March 31, 2016 by Ke$ha

Algebra 2
Will someone please check if I am right???? find the second and third term of the arithmetic sequence -7, __,__,-22,-27... Options: -12,-15*** My Answer -17,-12 -10,-17 -12,-17
Thursday, March 31, 2016 by Ke$ha

arithmetic progression
four positive integers form an arithmetic progression . if the product of the first and the last terms is 70 and the second and third terms are 88, find the first term
Wednesday, March 30, 2016 by Superstix

Arithmetic progression
In an AP , Sn = 2n , S2n = n Find S4n
Tuesday, March 22, 2016 by Venkatesh

Math
So, this "kiddo" needs some help plz! You are having a discussion about sequences with your classmate. She insists that the sequence is 2, 3, 5, 8, and 12 must be either arithmetic or geometric. Is she correct. Explain. HELP I DO NOT UNDERSTAND THIS!!!!! D;
Sunday, March 20, 2016 by No one special

Math
What is the difference between geometric patterns (with numbers) and arithmetic patterns?
Sunday, March 20, 2016 by No one special

Math help asap!!! or someone help please
4. Which explains why the sequence 81, 3, 1/9,... is arithmetic or geometric? A)The sequence is arithmetic because it decreases by a factor of 1/27 B)The sequence is geometric because it decreases by a factor of 1/27 C)The sequence is arithmetic because it decreases by a ...
Wednesday, March 16, 2016 by Miranda Lambert

Math
What type of sequence is this? 2 , 3, 5, 8, 12 Arithmetic, geometric or neither
Tuesday, March 15, 2016 by Help!

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
Wednesday, March 9, 2016 by coolguy123

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
Wednesday, March 9, 2016 by coolguy321

math....number sequences
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
Wednesday, March 9, 2016 by coolguy123

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
Tuesday, March 8, 2016 by gaya

Algebra
Reposting: The geometric mean and arithmetic mean of the two numbers are 8 and 17 respectively. 1. find the bigger number 2. find the smaller number 3. find the harmonic mean Thanks in advance to whoever will answer :)
Sunday, March 6, 2016 by cici

Allgebra
The geometric and arithmetic mean of the two numbers are 8 and 17 respectively. 1. Find the bigger number. 2. Find the smaller number. 3. Find the harmonic mean.
Saturday, March 5, 2016 by cici

Algebra
find the 12th term of the arithmetic progression 1/2, 1/6, 1/10
Saturday, March 5, 2016 by cici

Advanced Algebra
salary increases: A man gets a job with a salary of $30000 a year. He is promised a $2300 raise each subsequent year. Find the total earnings for a 10 year period. Arithmetic Sequence,:
Wednesday, March 2, 2016 by GRAY

math
The second term of an arithmetic progression is 50 and the 5th term is 65.calculate the value of the 40th term
Sunday, February 28, 2016 by Trevor

Math
6,x,y,16 is a sequence of numbers.6,x.y form an arithmetic sequence.x,y,16 form a geometric sequence. Detrmine the values of x and y
Sunday, February 28, 2016 by Refiloe

Math
The sum of third and ninth terms of arithmetic series is 20 and the difference between the twelfth and fourth term is 32.determine the value of the first term and the constant difference.
Friday, February 26, 2016 by Matumbashudu

maths
consider the arithmetic sequence which has the second term equal to 8 and the fifth term equal to 10 2.1.1 determine the common difference of this sequence
Thursday, February 18, 2016 by ntarbie

Math
A house worth $350,000 when purchased was worth $335.000 after the first year and $320,000 after the second year. If the economy does not pick up and this trend continues, what will be the value of the house after 6 years. A) determine if is arithmetic or geometric. Write the ...
Thursday, February 18, 2016 by Andres

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.
Wednesday, February 17, 2016 by John

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
Tuesday, February 16, 2016 by Rachana

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
Tuesday, February 16, 2016 by Rachana

pre calculus
Sn= 2n^2+5n IS THE SUM OF THE FIRST N TERMS OF AN ARITHMETIC SERIES. determine first 3 terms
Sunday, February 14, 2016 by ISOSMEXY

pre cal 11
the sum of the first n terms of an arithmetic series is Sn=2n^2+5n. Determine the first 3 terms. Help!!!
Sunday, February 14, 2016 by ISOSMEXY

PLZ HELP MATH
this is pre calc arithmetic sequence. AT sea lvl pressure is 14.7 psi. It increases by 14.7 at every 30 ft descent. What is pressure at 1000 ft.
Sunday, February 14, 2016 by ISOSMEXY

Math,english,further math,government,CRS,lit in english,yoruba,civic,agric,biology
The fourth and sixth term of an arithmetic progession are -4 and -10 respectively. Find A.the common difference B.the first term C.sum of the first twelve terms
Friday, February 12, 2016 by Comfort

Math
determine if the sequence is arithmetic. If it is, find the common difference.1. 35, 32, 29, 26
Wednesday, February 10, 2016 by Tadahshia

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
Tuesday, February 9, 2016 by Tyler

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
Monday, February 8, 2016 by nthabiseng

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Homework Help: Math