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October 23, 2014

Homework Help: Math: Arithmetic

Recent Homework Questions About Arithmetic

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arithmetic
Amanda is making xookies for a charity event. She expects 10 people to come. She wants to have 3 cookies for each person. How can Amanda use a patter to find the product for 6 x 10?
Tuesday, November 6, 2012 at 7:01pm

math
Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253
Tuesday, October 30, 2012 at 1:12pm

Algebra 2
Determine if the sequence is arithmetic, geometric, or neither. If it is arithmetic or geometric, write a rule. 4,1,0,1,4 My answer: Neither (-2)^2 (-1)^2 0^2 1^2 2^2 Is it correct?
Friday, October 26, 2012 at 4:13pm

arithmetic
If a blue box has 5 times as many marbles as a red box and the blue box has 24 more marbles than the red box how many marbles are in each box?
Tuesday, October 23, 2012 at 10:47pm

Math Statistics
What is the difference between "weighted mean" and "arithmetic mean?"
Friday, October 19, 2012 at 8:23am

arithmetic
$30.00 x .6/2-$17.50=
Thursday, October 18, 2012 at 7:42pm

arithmetic
I am greater than 200 but less than 500. The sum of my digits is 18. the product of my tens place digit and my 100's place digit equal 20. What digit am I ???
Sunday, October 14, 2012 at 7:21pm

arithmetic
How is eight hundred twenty-six thousandths written in decimal form?
Monday, October 8, 2012 at 7:23pm

arithmetic
round to the nearest hundered and add the rounded numbers:385,4012,856
Wednesday, October 3, 2012 at 8:39am

Arithmetic Sequence
Given the third term of an arithmetic sequence less than the fourth term by three. The seventh term is two times the fifth term. Find the common difference and the first term.
Sunday, September 30, 2012 at 5:31am

arithmetic
If the average of a and b is 10 and a^2 - b^2 = 80, what is the value of b?
Friday, September 28, 2012 at 7:52pm

Math (12th)
What are the next three terms of the arithmetic sequence -18, -13, -8, -3,…?
Thursday, September 27, 2012 at 7:11pm

Math (12th)
What is the common difference in the arithmetic sequence 30, 27, 24, 21, 18, ...
Thursday, September 27, 2012 at 7:11pm

Maths - Arithmetic Progression
The fourth term of an AP is 8 and the sum of the first ten terms is 40. Find the first term and the tenth term.
Tuesday, September 25, 2012 at 10:25am

arithmetic
jane says that 546 can be represented by 53 tens and 16 ones. Is she correct? Elain
Monday, September 24, 2012 at 8:07pm

writing
I have been trying to work on this assignment and I am not really understanding it and I try to get help from my teacher and she keeps sending me this and telling me when I do this she will help me with the rest but I don't understand this and I have told her this and she ...
Monday, September 24, 2012 at 6:45pm

arithmetic
f(x)=x^2+4x+3=
Sunday, September 23, 2012 at 1:55pm

Math SL
An Arithmetic sequence has a tenth term of 17 and a fourteenth term of 30, ind the general term PLEASE HELP!!!!
Saturday, September 22, 2012 at 6:02pm

Arithmetic Progression
In an AP the 6th term is half the 4th term and the 3rd term is 15. a. Find the fist term and the common difference. b. How many times are needed to give a sum that is less than 65?
Monday, September 17, 2012 at 2:49am

Voiting and apportionment
Suppose the modified quota is 5.87. Whate is the lower quota? what is the upper quota? Find the arithmetic mean of lower and upper quotas. Find the geometric mean of upper and lower quotas.Round the given modified quota by comparing it with arithmetic mean to 2 decimal places...
Sunday, September 16, 2012 at 2:06am

arithmetic
A water tank can hold 56 1/4 litres of water .How much water is contained if it is 8/15 full?
Thursday, September 13, 2012 at 8:19am

Precalculas
The sum of the first 30 terms of one arithmetic sequence is 300 more than the sum of the first 30 terms of another arithmetic sequence. what could the  sequences be?
Sunday, September 9, 2012 at 9:08pm

Math
Identify the pattern in each arithmetic sequence and then find the missing terms. 45,38,31,24, _ ,_
Thursday, September 6, 2012 at 5:45pm

arithmetic
lim x->0 (e^x^2 - 1)/(square root(1+sinx)- square root(cosx))
Tuesday, September 4, 2012 at 4:51pm

Math
which is the easies,t Arithmetic Series or a Geometric Series? and why?
Saturday, September 1, 2012 at 11:48pm

statistics
A source in the Internal Revenue Service has stated that historically 90% of federal tax returns filed are free of arithmetic errors. A random sample of 25 returns are selected and checked carefully for arithmetic errors. Assuming independence, find the probability that a. all...
Thursday, August 30, 2012 at 10:33pm

statistics
A source in the Internal Revenue Service has stated that historically 90% of federal tax returns filed are free of arithmetic errors. A random sample of 25 returns are selected and checked carefully for arithmetic errors. Assuming independence, find the probability that
Wednesday, August 29, 2012 at 6:36pm

Math
The height (in feet) of a small weight oscillating at the end of a spring is h(t) = 0.5 cos(2t) where t is in seconds, 0 ≤ t ≤ 5. (This is calculus. Use radians!) (a)Calculate the weight’s average velocity over the time interval 1 ≤ t ≤ 3. Show ...
Wednesday, August 29, 2012 at 1:33pm

arithmetic
a student says that 30 more seventh graders bought canned drinks than eighth graders.Describe and correct the error made in drawing this conclusion from the graph?
Monday, August 27, 2012 at 6:46pm

arithmetic
find the value of each group of base ten blocks = 100 block = 10 small block = 1 how do you figure this out?
Wednesday, August 22, 2012 at 11:05pm

Math
FIve players played a scored board game. If the average ( arithmetic mean) of the scores of the five players was 21, and if each person had a positive integer score, what is the greatest score any one player could have obtained? a) 33 b) 50 c) 75 d) 94 e) 101 ( please explain ...
Wednesday, August 15, 2012 at 7:28pm

Math
Which of the following CANNOT be the average ( arithmetic mean) of four positive even integers? a) 1 b) 2 c) 6 d) 9 e) 17 ( please explain or show work. It will help me understand it better! Thanks)
Wednesday, August 15, 2012 at 7:26pm

averages
if a<b<c<d<e<110 and the average (arithmetic mean) of a,b,c,d,e is 100 what is the lease possible value of a
Tuesday, August 7, 2012 at 6:41pm

Math
1)If a (theres a square)b is defined as the average of a and b, what is the value of 2 (theres a square) 4 (theres a square) 9? a) 3 b)5 c) 6 d)7.5 e) 18 2)If A=(r+s)F, what is the average of r and s when A=8 and F=2? 3) For the three numbers a,j,k, (a<j<k),the ...
Sunday, August 5, 2012 at 8:59pm

Math 126
State whether the following sequence is arithmetic,geometric,or neither. 0,1,4,9,16,25,36,...
Saturday, August 4, 2012 at 8:53pm

math
Write the first five terms of the arithmetic sequence. a1 = -37; d = 9
Friday, August 3, 2012 at 12:58pm

Math ( Can You check my Work?)
1.an = 3n - 1 2. an = 2(2n - 3) 3.an = 4^n 4.an = (2/3)^n 5. an = (-1)^n(n + 5) 6. an = (-1)^n + 1(n + 6) 7. an= n+3/2n-1 8. a1 = -5 and an = an-1 - 3 for n ≥ 2 9. a1 = -6 and an = -2an-1 for n ≥ 2 10.a1 = 4 and an = 3an-1 + 2 for n ≥ 2 11. Find a8 when a1...
Wednesday, August 1, 2012 at 12:41pm

arithmetic
Three men are working together can finish a house repair job in 10 days. How many days will 5 men working at the same rate finish the same job?
Wednesday, July 25, 2012 at 9:39am

Precalc
Find a4 for the arithmetic series with s4=-36 and a1=9
Saturday, July 21, 2012 at 8:00pm

Math
an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n - 3) Answer -6, -2, 2, 6 -1, 1, 3, 5 -2, -4, -6, -8 -2, 2, 6, 10 3 points Question 3 Write the first ...
Tuesday, July 17, 2012 at 10:29am

Math
The average (arithmetic mean) and median of the five numbers a,a,b,c, and c are 20 and 30, respectively. If a < b < c, what is the value of a + c?
Wednesday, July 11, 2012 at 4:20am

AP Calculus
Find the sum of the first n terms of the sequence. The sequences are either arithmetic or geometric. 13. -1, 11, -121, ...; n = 9 A. 235,794,769 B. 429,981,696 C. -429,981,696 D. 196,495,641 E. -196,495,641 F. -235,794,769 I know that n = # of terms (9) d = -11 a = -1 formula...
Tuesday, July 10, 2012 at 9:58pm

Math PLEASE HELP PLEASE PLEASE PLEASE
Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n - 3) Answer -6, -2, ...
Tuesday, July 10, 2012 at 10:42am

Math
Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n - 3) Answer -6, -2, ...
Tuesday, July 10, 2012 at 8:36am

algebrall
Which is an arithmetic sequence? A. 1, 4, 9, 16, . . . B. 2, 1, –1, –4, . . . C. 4, 8, 16, 32, . . . D. 21, 9, –3, –15, . . . . help please
Tuesday, June 26, 2012 at 11:12am

arithmetic
what is 4.2% of $24,000?
Tuesday, June 26, 2012 at 10:47am

arithmetic
is 10, 10.25, 10.50625, 10.76890625 an arithmetic sequence
Sunday, June 24, 2012 at 7:06pm

ALGEBRA
Suppose the modified quota is 9.27. Fill in the blanks, and round your answers to two decimal places. (a) Find the lower quota. (b) Find the upper quota. (c) Find the arithmetic mean of the lower and upper quotas. (d) Find the geometric mean of the lower and upper quotas. (e) ...
Saturday, June 16, 2012 at 8:31pm

Math
Suppose the modiefied quota is 5.37. Find the lower quotas and the upper quotas. Find the arithmetic means of the lower and upper quotas. Find the geometric means of the lower and the upper quotas. Round the given modified quotas by comparing it with the geometric means.
Saturday, June 16, 2012 at 2:32pm

ALGEBRA
Suppose the modified quota is 9.27. Fill in the blanks, and round your answers to two decimal places. (a) Find the lower quota. (b) Find the upper quota. (c) Find the arithmetic mean of the lower and upper quotas. (d) Find the geometric mean of the lower and upper quotas. (e) ...
Thursday, June 14, 2012 at 6:41pm

arithmetic
lim_(x->0) (1/x^2-1/(sin^2(x)))
Thursday, June 14, 2012 at 2:38pm

arithmetic
lim(x->1)( x^(n+1)-(n+1)+...n)/(x-1)^2
Thursday, June 14, 2012 at 2:10pm

math
Find the sum of the arithmetic progression 4 + 9 + 14 + 19 + …….94 + 99 + 104
Wednesday, June 13, 2012 at 1:44pm

arithmetic
if tanx+cotx=2 then the value of tan^5x + cot^10x is
Wednesday, June 13, 2012 at 7:08am

Math
Suppose the modified quota is 6.47. Fill in the blanks, and round your answers to two decimal places. (a) Find the lower quota. (b) Find the upper quota. (c) Find the arithmetic mean of the lower and upper quotas. (d) Find the geometric mean of the lower and upper quotas. (e) ...
Tuesday, June 12, 2012 at 11:06pm

math - Can someone please help to solve
what is the answer to 1.)Find the lower quota of 8.87, upper quota, 2.)arithmetic mean of the lower and upper quotas, 3.)the geometric mean of the lower and upper quotas, 4.)Round the given modified quota by comparing it with the arithmetic mean and 5.)Round the given modified...
Monday, June 11, 2012 at 12:38pm

Math
A person just fitted for contact lenses is told to wear them only 2 hours the first day and to increase the amount of time by 20 minutes each day. After how many days will the person be able to wear the contacts for 14 hours? *Solve using a arithmetic series
Sunday, June 10, 2012 at 10:55am

algebra
Suppose the modified quota is 3.27 Fill in the blanks, and round your answers to two decimal places. (a) Find the lower quota. (b) Find the upper quota. (c) Find the arithmetic mean of the lower and upper quotas. (d) Find the geometric mean of the lower and upper quotas. (e) ...
Friday, June 8, 2012 at 10:51pm

math
Use algebra pieces and mental arithmetic to determine four consecutive odd numbers who sum is 64. Sketch and label your algebra piece model and explain how you solved the problem.
Saturday, June 2, 2012 at 7:37pm

Math
Find the sum of the arithmetic series. 20 (Sigma Sign) 2n + 7 x= 1 Formula: Sn= a1 (1 - r^n / 1 - r)
Tuesday, May 29, 2012 at 9:47pm

Maths
In the following problems, Θ = 20 + units digit of your day of birth. For example, if you were born on April 1st, then Θ = 20 + 1 = 21. If you were born on March 30th, then Θ = 20 + 0 = 20. 1. Alok and Bhanu play the following game on arithmetic expressions. ...
Sunday, May 27, 2012 at 7:32am

arithmetic
Find the sum of the first 25 terms of an arithmetic sequence whose 7th term is −247 and whose 18th term is −49.
Saturday, May 26, 2012 at 5:48am

Math
Find n if S(n) = 23,001 for the arithmetic series 4+7+10...
Wednesday, May 23, 2012 at 3:55pm

math
Find S(sub 73) for the arithmetic series 4 + 7 +10....
Tuesday, May 22, 2012 at 3:04pm

arithmetic
Sam wants to pack some candies into a box with a volume of 1.5 cubic meters. Each candy has a volume of 1 cubic centimeter. How many candies will fit in the box?
Monday, May 21, 2012 at 6:43pm

Algebra 2
Find the arithmetic mean a n-1=3.9, a n+1=7.1
Thursday, May 17, 2012 at 10:56am

Algebra
find the arithmetic mean A_n-1_-3.9, A_n+1_=7.1
Thursday, May 17, 2012 at 10:38am

alg 2
Provide an example of an arithmetic series which totals zero. Using complete sentences, explain how you created the example.
Tuesday, May 15, 2012 at 4:21pm

Math
first three terms of a geometric sequence are the same as the 1st, 9th and 11th terms of an arithmetic sequence, respectively. What is the common ratio in the geometric sequence ? Thanks!
Saturday, May 12, 2012 at 9:41pm

arithmetic
On a blueprint in which 2inches represent 5ft, the length of a room measures 7 1/2inches. The actual length of the room is
Friday, May 11, 2012 at 3:03pm

Math
A sequence is called an arithmetic progression of the rst order if the di erences of the successive terms are constant. It is called an arith- metic progression of the second order if the di erences of the successive terms form an arithmetic progression of the rst ...
Friday, May 11, 2012 at 6:47am

pre algebra
solve whether the sequence is arithmetic or geometric if it is arithmetic or geometric,state the common difference or common ratio and write the next three terms of the sequence 10,18,26,34
Thursday, May 3, 2012 at 5:31pm

math
Write four arithmetic means between 35 and 98.
Wednesday, May 2, 2012 at 3:56pm

math
For the arithmetic series 13+19+... a. find tsub27 b. find Ssub27 c. if tsubn = 445, find n
Wednesday, May 2, 2012 at 3:22pm

Utech
The 9th term of an Arithmetic Progression is 8 and the 4th term is 20. Find the first term and the common difference.
Tuesday, May 1, 2012 at 11:25pm

math
An arithmetic series has a first term 8 and third term 20. What does the fifth term equal? What does the second partial sum equal?
Sunday, April 29, 2012 at 12:43am

math
A sequence has t(sub1) = 5 and t(sub2) = 15 a. if the sequence is geometric, what is the common ratio? What do t(sub3) and t(sub4) equal? b. if the sequence is arithmetic, what is the common ratio? What do t(sub3) and t(sub4) equal?
Saturday, April 28, 2012 at 11:16pm

arithmetic
how to the framing to the nearest 1 of 3over4
Thursday, April 26, 2012 at 10:14am

Math
Deterimine the value of t20 in the followinf arithmetic sequence: 1, -2, -5, -8, .........
Wednesday, April 25, 2012 at 10:08am

arithmetic
2. A person walking along a straight road observed that at two consecutive kilometre stones the angles of elevation of a hill front of him are 40o and 80o respectively. Find the height of the hill.
Tuesday, April 24, 2012 at 3:39am

math
Write three arithmetic and three geometric means between 4 and 324
Saturday, April 21, 2012 at 4:03pm

Math
A sequence is formed by adding together the corresponding terms of a geometric sequence and and an arithmetic sequence.The common ratio of the geometric sequence is 2 and the common difference of the arithmetic sequence is 2.The first term of the new sequence is 1 and the ...
Thursday, April 12, 2012 at 9:21am

Arithmetic
Find a geometric series which has a third term of 7/4 and a sum to infinity of 14.
Tuesday, April 10, 2012 at 4:15pm

arithmetic
Determine the 10th and 21st terms of the arithmetic sequence- 4+7x, 5+9x, 6+11x
Tuesday, April 10, 2012 at 11:28am

arithmetic
To calculate a 15% tip on a $24 bill a customer adds $2.40 and half of $2.40, or $1.20, to get $3.60. Is this method valid? Why or why not?
Friday, April 6, 2012 at 9:38pm

arithmetic
how to solve x^2*x=8556
Friday, March 30, 2012 at 2:13am

ACT
In ACT math question do they ask boyt arithmetic sequence and series? Geometric sequence and series.Matrices. Permutations.
Wednesday, March 28, 2012 at 8:40pm

Maaaaaaaath
the first three terms of an arithmetic sequence are x-2;2x+6 and 4x-8 respectively..determine.....(1)x (2) the 20th term (3) the sum of the first 20 terms of the sequence
Tuesday, March 27, 2012 at 5:21pm

math
Which describes this type of series? -20 - 18 - 15 - 11 … I think it is both arithmetic and geometric
Thursday, March 22, 2012 at 1:48am

algebra
can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 --3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? -43 43 __> -69 69 What is the recursive rule for the sequence: −...
Thursday, March 22, 2012 at 1:45am

arithmetic
The pet shop owner told jean to fill the new fish tank 3/4 full of water.Jean filled the tank 9/12 full.What fraction of the tank does she still need to fill?
Wednesday, March 21, 2012 at 9:14pm

arithmetic
Please complete the following sequence so that, after the first two terms, each successive term is the average of all the preceeding terms. 20__ __ 28 __ __
Monday, March 19, 2012 at 3:27am

Algebra 2
Write a rule for the nth term of the arithmetic sequence. ( I'm not sure how I'm suppose to write the numbers below a :C so bare with me ) a(2) = - 28, a(20) = 52 I used the formula a(n) = a(1) + ( n-1)d a(20) = a(1) + (20-1)d > 52 = a(1)+19d a(2) = a(1) + (2-1)d &...
Thursday, March 15, 2012 at 1:21am

arithmetic
find comparsion as a ratio reduce to lowest term of 47ft and63yd.
Saturday, March 10, 2012 at 5:13pm

Math
Which represents the type of sequence: 12, 22, 30, 36, 41, …? neither arithmetic nor geometric both arithmetic and geometric arithmetic geometric
Saturday, March 10, 2012 at 1:11am

English
Writeacher, I really need your help to paraphrase the beginning of Chapter 2 taken from Dickens's "Hard Times". In particular, I would like to simplify Mr. Gradgrind's description, reduce it to a paragraph and turn it into a fill-in-the-blank activity. (I don...
Wednesday, March 7, 2012 at 1:07pm

Maths
Find 8 terms of the arithmetic progression if the second term is 2 and the sixth term is 5
Monday, March 5, 2012 at 11:25pm

arithmetic
a board 2 yards long. If 6 inches from one end was cut off. How many inches long was the shelf.
Monday, March 5, 2012 at 7:56pm

arithmetic
Water is pulled up from a well in a bucket on a rope the winds on a cylindrical drum 15cm in diameter it takes 28turns of the drum to pull the bucket up from the bottom of well how deep is the well? Use the value 22 over for radius
Friday, March 2, 2012 at 1:27pm

arithmetic
find the common difference of A.P whose first term is 5 and the sum of its first 4 terms is half the sum of next 4 terms
Friday, March 2, 2012 at 6:31am

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