Thursday

November 26, 2015
**Math Statistics**

What is the difference between "weighted mean" and "arithmetic mean?"
*Friday, October 19, 2012 by Amelia*

**arithmetic**

$30.00 x .6/2-$17.50=
*Thursday, October 18, 2012 by sarah*

**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 by Mikey*

**arithmetic**

How is eight hundred twenty-six thousandths written in decimal form?
*Monday, October 8, 2012 by Connor*

**arithmetic**

round to the nearest hundered and add the rounded numbers:385,4012,856
*Wednesday, October 3, 2012 by man*

**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 by Nina*

**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 by Anonymous*

**Math (12th)**

What are the next three terms of the arithmetic sequence -18, -13, -8, -3,…?
*Thursday, September 27, 2012 by Michelle*

**Math (12th)**

What is the common difference in the arithmetic sequence 30, 27, 24, 21, 18, ...
*Thursday, September 27, 2012 by Lydia*

**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 by Chrissey*

**arithmetic**

jane says that 546 can be represented by 53 tens and 16 ones. Is she correct? Elain
*Monday, September 24, 2012 by antonio*

**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 by Wayne*

**arithmetic**

f(x)=x^2+4x+3=
*Sunday, September 23, 2012 by lisa*

**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 by Britney OW*

**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 by Math*

**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 by Sue Jackson*

**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 by sreemonti mukherjee*

**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 by G*

**Math**

Identify the pattern in each arithmetic sequence and then find the missing terms. 45,38,31,24, _ ,_
*Thursday, September 6, 2012 by Shion*

**arithmetic**

lim x->0 (e^x^2 - 1)/(square root(1+sinx)- square root(cosx))
*Tuesday, September 4, 2012 by Lea*

**Math**

which is the easies,t Arithmetic Series or a Geometric Series? and why?
*Saturday, September 1, 2012 by Liz*

**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 by Sarah*

**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 by Anonymous*

**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 by Dede*

**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 by bettie*

**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 by thomas*

**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 by Sarah*

**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 by Sarah*

**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 by Anonymous*

**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 by Grace*

**Math 126**

State whether the following sequence is arithmetic,geometric,or neither. 0,1,4,9,16,25,36,...
*Saturday, August 4, 2012 by Billie*

**math**

Write the first five terms of the arithmetic sequence. a1 = -37; d = 9
*Friday, August 3, 2012 by steve*

**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 by Tony*

**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 by reena*

**Precalc**

Find a4 for the arithmetic series with s4=-36 and a1=9
*Saturday, July 21, 2012 by Wren*

**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 by Tony*

**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 by Samantha*

**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 by Brock*

**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 by Tony*

**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 by Anonymous*

**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 by leo*

**arithmetic**

what is 4.2% of $24,000?
*Tuesday, June 26, 2012 by cheryl*

**arithmetic**

is 10, 10.25, 10.50625, 10.76890625 an arithmetic sequence
*Sunday, June 24, 2012 by Anonymous*

**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 by Urgen please help*

**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 by Linda*

**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 by Urgen please help*

**arithmetic**

lim_(x->0) (1/x^2-1/(sin^2(x)))
*Thursday, June 14, 2012 by dona*

**arithmetic**

lim(x->1)( x^(n+1)-(n+1)+...n)/(x-1)^2
*Thursday, June 14, 2012 by donaa*

**math**

Find the sum of the arithmetic progression 4 + 9 + 14 + 19 + …….94 + 99 + 104
*Wednesday, June 13, 2012 by dan*

**arithmetic**

if tanx+cotx=2 then the value of tan^5x + cot^10x is
*Wednesday, June 13, 2012 by aman*

**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 by Randy*

**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 by Diane*

**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 by Angie*

**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 by pam*

**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 by marcus*

**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 by Neil*

**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 by Rashmi Krishna*

**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 by jae*

**Math**

Find n if S(n) = 23,001 for the arithmetic series 4+7+10...
*Wednesday, May 23, 2012 by Morgan*

**math**

Find S(sub 73) for the arithmetic series 4 + 7 +10....
*Tuesday, May 22, 2012 by Kevin*

**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 by chezney chichester*

**Algebra 2**

Find the arithmetic mean a n-1=3.9, a n+1=7.1
*Thursday, May 17, 2012 by Mimi*

**Algebra**

find the arithmetic mean A_n-1_-3.9, A_n+1_=7.1
*Thursday, May 17, 2012 by Mimi*

**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 by Anonymous*

**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 by Matthew*

**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 by Chris reed*

**Math**

A sequence is called an arithmetic progression of the rst order if the dierences of the successive terms are constant. It is called an arith- metic progression of the second order if the dierences of the successive terms form an arithmetic progression of the rst ...
*Friday, May 11, 2012 by Bhupendra*

**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 by keith*

**math**

Write four arithmetic means between 35 and 98.
*Wednesday, May 2, 2012 by Kylie*

**math**

For the arithmetic series 13+19+... a. find tsub27 b. find Ssub27 c. if tsubn = 445, find n
*Wednesday, May 2, 2012 by Josh*

**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 by Jennifer*

**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 by Kasey*

**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 by Mark*

**arithmetic**

how to the framing to the nearest 1 of 3over4
*Thursday, April 26, 2012 by wahib*

**Math**

Deterimine the value of t20 in the followinf arithmetic sequence: 1, -2, -5, -8, .........
*Wednesday, April 25, 2012 by Charu*

**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 by zainab*

**math**

Write three arithmetic and three geometric means between 4 and 324
*Saturday, April 21, 2012 by Mason*

**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 by Piwo*

**Arithmetic**

Find a geometric series which has a third term of 7/4 and a sum to infinity of 14.
*Tuesday, April 10, 2012 by Piwo*

**arithmetic**

Determine the 10th and 21st terms of the arithmetic sequence- 4+7x, 5+9x, 6+11x
*Tuesday, April 10, 2012 by Nkululeko Hadebe*

**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 by Heather*

**arithmetic**

how to solve x^2*x=8556
*Friday, March 30, 2012 by kishore*

**ACT**

In ACT math question do they ask boyt arithmetic sequence and series? Geometric sequence and series.Matrices. Permutations.
*Wednesday, March 28, 2012 by noorie*

**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 by t.t*

**math**

Which describes this type of series? -20 - 18 - 15 - 11 … I think it is both arithmetic and geometric
*Thursday, March 22, 2012 by Rocky *

**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 by Jennifer*

**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 by kelly*

**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 by Marty (F)*

**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 by Sammy*

**arithmetic**

find comparsion as a ratio reduce to lowest term of 47ft and63yd.
*Saturday, March 10, 2012 by janice brown*

**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 by Brett *

**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 by Henry*

**Maths**

Find 8 terms of the arithmetic progression if the second term is 2 and the sixth term is 5
*Monday, March 5, 2012 by Great*

**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 by Betty*

**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 by Tye*

**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 by swathi*

**arithmetic**

an ap consists of 21 terms.the sum of 3terms in the middle is 129 and of the last three is 237 find the AP.
*Thursday, March 1, 2012 by Anonymous*

**arithmetic**

an ap consists of 21 terms.the sum of 3terms in the middle is 129 and of the last three is 237 find the AP.
*Thursday, March 1, 2012 by Anonymous*

**arithmetic**

find the sum of all 3digits numbers ,which leave the remainder three when divided by 5.
*Thursday, March 1, 2012 by Anonymous*

**Maths**

The first term of an arithmetic sequence is 2. The first, third and eleventh terms are the first three terms of a geometric sequence. Determine the seventh term of the geometric sequence
*Thursday, March 1, 2012 by Anonymous*