Wednesday
May 4, 2016

Homework Help: Math: Arithmetic

Recent Homework Questions About Arithmetic

mathematis
consider the arithmetic sequence:-4;-1;2;5...if the nth term of the sequence is 74 determine the value of n
Wednesday, March 5, 2014 by mmatshepho

arithmetic
The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?
Sunday, March 2, 2014 by priya

Math.G.P
The 1st term of a G.P is equal to x-2,the 3rd term is x+6 and the arithmetic mean of the 1st and 3rd terms stands in the ratio to the 2nd 5:3.find the value of x.
Friday, February 14, 2014 by Miracle

math
Select the first five terms in the arithmetic sequence an = 8n, starting with n = 1
Saturday, February 8, 2014 by lee

math
the fourth term of an arithmetic progression is equal to 3 times the first term and the seventh term exceeds twice the third term by 1 find the first term and the common differrence
Friday, February 7, 2014 by kruthi

Math
The sum of the first n terms of an arithmetic series is given by: Sn=5/2n^2 + 7/2n. Determine: 3.2.1 The common difference. 3.2.2 The tenth term
Sunday, February 2, 2014 by Apiwe

math
find the 4th term of an arithmetic sequence whose first term is -8 and whose 9th term is 32.
Thursday, January 30, 2014 by breauna

Maths
if the 29th term of arithmetic series is double of 19th term then find the 9th term.
Thursday, January 30, 2014 by Arpan

Algebra 1
Tell whether the sequence is arithmetic. If it is, what is the common difference? -12, -7, -2, 3,… (1 point)
Monday, January 27, 2014 by Gabby

Math
Two terms of an arithmetic sequence are t6=-3 and t11=-13. What is t20?
Saturday, January 18, 2014 by Sandara

calculus
i need to find the derivative using chain rule: (x^2 + 2x - 6)^2 (1-x^3)^2 i got the answer from a site but the problem is i cannot get my work to match up with the answer, i dont know what im doing wrong. answer: 10x^9 + 36x^8 − 64x^7 − 182x^6 + 168x^5 + 80x^4 + ...
Monday, January 13, 2014 by eric

arithmetic sequences
a new car cost $13,000 and is depreciating by $900 each year. how much will the car cost be worth after 4 years?
Thursday, January 9, 2014 by alexis

arithmetic sequences
a tube containing 3 ounces of toothpaste is being used at at rate of 0.15 ounces per day. how much toothpaste will be in the tube after one week?
Thursday, January 9, 2014 by alexis

arithmetic sequences
jessie is playing an arcade game that costs 50cents for the first game and 25cents to continue if she loses. how much will she spend on the game if she continues 9 times?
Thursday, January 9, 2014 by alexis

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

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..
Wednesday, January 8, 2014 by Macie

math
A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18 months? Show your work.
Wednesday, January 8, 2014 by Shakira

math
A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18 months? Show your work.
Wednesday, January 8, 2014 by Shakira

Math
A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18 months? Show your work.
Wednesday, January 8, 2014 by Shakira

math
i need help on properties of arithmetic
Wednesday, January 8, 2014 by jessica

algebra
the third term of an arithmetic sequence is 14 and the ninth term is -1. Find the first four terms of the sequence
Tuesday, December 17, 2013 by Anonymous

Mathematics
The 25 term of an Arithmetic Progression is 7 1/2 and the sum of the first 23 terms is 98 1/2. Find the i. 1st term ii. common difference iii. sum of the first 30 terms
Wednesday, December 11, 2013 by Jamiu

Precal
Find x such that -8 x - 3, 3 x - 1, and 2 x + 49 are consecutive terms of an arithmetic sequence. x=?
Friday, November 29, 2013 by Teagan

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.
Sunday, November 17, 2013 by Anonymous

Math help please
1. Each time a touchdown is scored in a football game, 6 points are added to the score of the scoring team. A team already has 12 points. What rule represents the number of points as an arithmetic sequence when n is the number of touchdowns scored? A(n) = 12 + 6n A(n)12 - (n...
Thursday, November 14, 2013 by Charlotte

math
What is the 32nd term of the arithmetic sequence where a1 = -32 and a9 = -120?
Friday, November 8, 2013 by Anonymous

physics
Suppose a ball of putty moving horizontally with 1kg.m/s of momentum collides and sticks to an identical ball of puffy moving vertically with 1 kg.m/s of momentum. Why is their combined momentum not simply the arithmetic sum, 2 kg.m/s?
Friday, November 8, 2013 by Anonymous

Math-Trigonometry
Show that if x, y, and z are consecutive terms of an arithmetic sequence, and tan y is defined, then (sin x + sin y + sin z) / (cos x + cos y + cos z) = tan y. So I tried letting x = y-k (since x,y,z are consecutive terms of an arithmetic sequence), then z= y+k So we get (sin(...
Thursday, November 7, 2013 by Sam

math
Find the 7th term of arithmetic progression...12,20,28.
Monday, October 28, 2013 by sirvic

arithmetic
If 48 marbles are to be divided between Bill and Carl in the ration 3:5, how many marbles will Bill get?
Friday, October 25, 2013 by milton

math
The terms 4x + 36, 2x - 6, and 3x - 27 are consecutive terms in an arithmetic sequence. What is the value of x ?
Friday, October 25, 2013 by amira

arithmetic
round .44857 to the nearest hundreths?
Friday, October 25, 2013 by donny

arithmetic
5. Assume that if students buy more than $250 of art supplies in one visit, they may put the charge on a student account with terms of 2/10 EOM. If a student makes the purchase on September 16, on what day does the 2% discount expire? If the purchase is made on September 26, ...
Sunday, October 20, 2013 by Anonymous

Geometry
Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with a common difference ...
Saturday, October 19, 2013 by Jayden

arithmetic
How do you solve this for h? A=1/2(b1 plus b2)?
Tuesday, October 8, 2013 by Reed

Math
how many terms of the arithmetic sequence -5,-1,3,… must be added to reach the sum of 400
Monday, October 7, 2013 by Pre-Cal

arithmetic
2+15/3*5=
Sunday, October 6, 2013 by mike

math
the arithmetic series 1 + 4 + 7 + ....tn has a sum of 1001. how many terms does the series have?
Thursday, October 3, 2013 by buffy

math
x, y, 3y If the average (arithmetic mean) of the 3 numbers above is 3x and x≠0, What is y in terms of x?
Saturday, September 28, 2013 by Anonymous

math
x, y, 3y If the average (arithmetic mean) of the 3 numbers above is 3x and x≠0, What is y in terms of x?
Saturday, September 28, 2013 by mike

algebra 1
Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ...
Tuesday, September 24, 2013 by bobby

algebra
I need to find the first five terms in the arithmetic sequence in an =(2)^n-1 n=1 I don't know now to type the n's smaller.
Saturday, September 21, 2013 by Alaska Diamond

arithmetic
28,000 X .05% compounded for 33 years =
Thursday, September 19, 2013 by tom

arithmetic
If I WALK FROM MARKER 8.8 MILE TO MARKER 11.8 MILE HOW FAR IS THAT?
Sunday, September 15, 2013 by Carlos

Math
Alpha writes the infinite arithmetic sequence 10, 8, 6, 4, 2, 0... Beta writes the infinite geometric sequence 9, 6, 4, 8/3, 16/9,... Gamma makes a sequence whose n^th term is the product of the n^th term of Alpha's sequence and the n^th term of Beta's sequence: 10*9,8...
Sunday, September 15, 2013 by Speedo

Math
1. Select the first five terms in the arithmetic sequence an= 2 n , starting with n =1 A. ( 1 / 2 , 1/4 ,1/6, 1/8, 1/10) B. ( 1 , 2 , 3 , 4 , 5 ) C. ( 3 , 4 , 5 , 6, 7 ) D. ( 2 , 4, 6 , 8, 10 ) My answer is D. 2. Select the first five terms in the geometric sequence an = ( 2...
Saturday, September 14, 2013 by Queta

Math - Averages
Six dogs have an average(arithmetic mean) weight of 55 pounds. If the heaviest dog weighs 100 pounds, the lightest dog weighs 5 pounds, and the second-lightest dog weighs 30 pounds, what is the average weight of the other 3 dogs in pounds?
Friday, September 13, 2013 by Venus

Math - Averages
The test average for Louis' calculus class is found by taking the arithmetic mean of his four best test scores. If his first four test scores are 65,82,76 and 87, what score must he get on the fifth test to raise his test average to an 85?
Friday, September 13, 2013 by Venus

MaTh
Let a_1, a_2, . . . , a_10 be an arithmetic sequence. If a_1 + a_3 + a_5 + a_7 + a_9 = 17 and a_2 + a_4 + a_6 + a_8 + a_{10} = 15, then find a_1.
Monday, September 2, 2013 by Speedo

arithmetic
after 12 years, ria will be 3 times as old as she was 4 years ago. find her present age.
Tuesday, August 27, 2013 by nishu

mathematics
the arithmetic mean of x,y and z is 6 while that of x,y,z,t,u,v and w is w. Calculate the arithmetic mean of t,u,v and w.
Saturday, August 24, 2013 by lawrence

math
the arithmetic mean of x,y and z is 6 while that of x,y,z,t,u,v and w is 9. Calculate the erithmetic mean of t, u, v and w
Saturday, August 24, 2013 by lawrence

arithmetic
7.86x 4.6=
Monday, August 12, 2013 by stacey

arithmetic progression
the 9th term of an AP is 52 while the 12th term is 70. find the sum of it's 20th term?
Tuesday, August 6, 2013 by oladepo

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 ...
Tuesday, July 23, 2013 by John Berkhamp

math
bob make 720 telephone calls each year. what is the average (arithmetic mean) number of calls that bob makes per month 60 70 80 100 120
Tuesday, July 16, 2013 by ?

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 ...
Saturday, June 22, 2013 by Shin

Calculus
An arithmetic progression has terms a8 =23 and a20 =83 . What is the value of the term a12
Tuesday, June 18, 2013 by Tony

arithmetic
there is a unique number of which the square and the cube together use all numbers from 0 up to 9 exactly once. which number is this ?
Tuesday, June 18, 2013 by Akansha

Maths
The third term of a sequence is 2(2/3) and the sixth term is 9. Find the first six terms when the sequence is; (a) arithmetic (b) geometric
Monday, June 17, 2013 by Shane

Arithmetic Sequence Help!
The sum of 3 consecutive terms of an arithmetic sequence is 165. The second of these terms is 11 times the first. Find the 3 terms From what I gathered: S(3) = 165 t(2)= 11(t1) The given formulas are: Sn= n/2[2a+(n-1)d] and tn=a+(n-1)d I have no idea how to continue.
Monday, June 17, 2013 by Alice

Maths
How to find Geometric mean if arithmetic and harmonic mean is given, The question is AM = 2700 and HM = 75, then find GM ?
Saturday, June 15, 2013 by Steve

maths
find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19
Wednesday, June 12, 2013 by thabang

maths
find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19
Wednesday, June 12, 2013 by thabang

Math
1. One of the formulas for finding the partial sum of an arithmetic sequence is Sn = n(a1 + an) True 2. The value of a probability must be in the interval [0, 1]? True
Friday, June 7, 2013 by mysterychicken

Math
1. Find the sum of the first 21 terms of the arithmetic sequence given by the formula an = n+5 I see that I have to plug in numbers and get the terms...but i'm sure there's a shorter way to do this instead of plugging in 21 numbers. 2. The following infinite geometric ...
Friday, June 7, 2013 by mysterychicken

Math
In a right triangle, there is arithmetic sequence. If the shortest side is 15 cm long, what is te length of the other 2 sides. ( hint use pytageron Therom)
Tuesday, June 4, 2013 by Sarah

Math
In a right triangle, there is arithmetic sequence. If the shortest side is 15 cm long, what is te length of the other 2 sides. ( hint use pytageron Therom)
Tuesday, June 4, 2013 by Sarah

math
The lower leg of a right triangle is 8 cm in length. Calculate the other two knowing that the sides of the triangle form an arithmetic sequence. please give me step by step answers thanks
Monday, June 3, 2013 by saraah

Math question
In an arithmetic series, the 15th term is 43 and the sum of the first 15 terms is 120. Add the first 20 terms of the series.
Sunday, June 2, 2013 by Anonymous

arithmetic
Assume you roll a fair dice twice. Two rolls are independent and identically distributed, with probability of rolling a particular number being 1/6. So, for instance, the probability of rolling 5 and then 2 is P(5,2) = P(5) ⋅ P(2) = 1/6 ⋅ 1/6 = 1/36 Consider a ...
Saturday, June 1, 2013 by Anonymous

arithmetic
Assume you have an unfair coin - the one that lands heads with probability P (not known beforehand). You have rolled such a coin 20 times and got 16 heads and 4 tails. What is the best estimator of P, Pˆ? (Hint: it is the one based on sample mean.)
Saturday, June 1, 2013 by Anonymous

arithmetic
Assume you roll a fair dice twice. Two rolls are independent and identically distributed, with probability of rolling a particular number being 1/6. So, for instance, the probability of rolling 5 and then 2 is P(5,2) = P(5) ⋅ P(2) = 1/6 ⋅ 1/6 = 1/36 Consider a ...
Saturday, June 1, 2013 by Anonymous

How to get quick responses to your math questions
Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would give a little more detail on which branch of ...
Saturday, May 25, 2013 by MathMate

Algebra
80. Determine the sum for the arithmetic series: n = 37, t1 = 23, t37 = 203 a. 5631 b. 8362 c. 6742 d. 4181 81. Determine the sum for the arithmetic series: n = 100, t1 = 17, t100 = 215 a. 9900 b. 3350 c. 11,600 d. 990 82. Determine the sum for the geometric series: n=10, r=-2...
Tuesday, May 21, 2013 by Holly

Math
Please help. 51. Solve: 125=(x3)/0.3^-3 a.7 b.14 c.15 d.9 53. 49x-2 = 7Ö 7 a.-5/4 b.5/4 c.11/4 d.-11/4 60. Simplify: 2log^3 6 - log^3 4 a.3 b.6 c.4 d.2 61. Solve the equation: logb (x^2 + 7) = 2/3logb 64 a.9 b.3 c. √23 d. ±3 62. Solve: (The fifth root of x) ...
Tuesday, May 21, 2013 by Holly

algebra
is this a arithmetic, or geometric sequence -96,-48,-24,-12,......
Wednesday, May 15, 2013 by tammy

arithmetic
there are n arithmetic means between 5 and 32 such that the ratio between the 3rd and 7th means is 7:13,find the value of n.
Tuesday, May 14, 2013 by Hussain

TRIG
in an arithmetic sequence a1=4 and d=8 which term is 428 Show your work
Saturday, May 11, 2013 by Alex

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...
Saturday, May 11, 2013 by Shin

math
-4, 8, -16, 32 arithmetic 64, 128, 256 geometric -64, 128, -256 Geometric -48, 64, -80 the sequence is neither geometric nor arithmetic
Thursday, May 9, 2013 by Nisabel

arithmetic
james used the rule add 2 to create a sequence.the he used the rule add 12 to create a second sequence.what are the first five terms in each sequence james created?<3
Tuesday, May 7, 2013 by katherine

Social Studies
I need a 4 paragraph essay on the devil's arithmetic. my theme is "no laugh, no hope. NO hope, no life." THANK YOU (: im not passing and i reallllllly neeed help on this
Monday, May 6, 2013 by Kali

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...
Sunday, April 28, 2013 by Gabby

maths
find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6. 2.A display of cans on a grocery shelf consists of 20 cans on the botton, 18 cans inthe next row, and so on in an arithmic sequence, until the to[p row has four cans. how many cans , in total, are in the display?
Sunday, April 28, 2013 by ELIJAH HAVA

math
if 1,x,y is a geometric sequence and x,y,3 is an arithmetic sequence, compute the maximum value of x+y
Saturday, April 27, 2013 by Sarah

math help please ASAP
2. Identify the sequence as arithmetic, geometric, or neither. 1.6, 0.8, 0.4, 0.2, . . . (1 point) arithmetic geometric neither 3. 5 • 3^n (1 point) 15, 30, 45, 60 5, 15, 45, 135 0, 15, 45, 135 15, 45, 135, 405 4. Use the function rule ƒ(x) = n • |–1|^n. ...
Thursday, April 25, 2013 by Delilah

arithmetic
a flower floats on the surface of lake water. its level above the lake surface is 5.5 cm. then a sudden gust of wind comes and flower sinks 10 cm far from its original point, what is the depth of lake at the point where the flower was floating
Friday, April 19, 2013 by shield

arithmetic mean
what is the average of 88 94 98 84
Thursday, April 18, 2013 by amy

HELP!!! Math
You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second, and so on in an arithmetic sequence. What is the total distance the object fall in 6 seconds?
Tuesday, April 16, 2013 by Jnr John

Please Help!! Math
A display of cans on a grocery shelf consists of 20 cans on the bottom, 18 cans in the next row, and so on in an arithmetic sequence, until the top row has 4 cans. How many cans, in total, are in the display?
Tuesday, April 16, 2013 by Jnr John

please help me please!!! Math
Find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6 . I can't even solve it because I do not have any idea.
Tuesday, April 16, 2013 by Jnr John

arithmetic
If the first term of an arithmetic sequence is 2 and the 7th term is 3278, what is the common difference?
Tuesday, April 16, 2013 by Anonymous

math
An arithmetic sequence is represented in the following table. Enter the missing term of the sequence. 10,-2,-14,-26,?...
Tuesday, April 16, 2013 by mari

arithmetic
play 160 games and won 60% how many games did the team win
Sunday, April 14, 2013 by Hipolito

arithmetic
which of the following is the leas0. 0.015 0.105 or 0.15
Sunday, April 14, 2013 by Hipolito

arithmetic
which of the following is the least
Sunday, April 14, 2013 by Hipolito

algebra
Select the first five terms in the arithmetic sequence an = 6n, starting with n = 1.
Saturday, April 13, 2013 by Anonymous

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...
Thursday, 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?
Friday, April 5, 2013 by Oian

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Homework Help: Math