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September 2, 2014

September 2, 2014

**Recent Homework Questions About Arithmetic**

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**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 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 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*

**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 at 11:21pm*

**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 at 11:18pm*

**arithmetic**

find the sum of all 3digits numbers ,which leave the remainder three when divided by 5.
*Thursday, March 1, 2012 at 11:18pm*

**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 at 4:58pm*

**arithmetic**

I have a 10"x13" rectangle baking pan, 2" deep. I am having a party and need to know how many pieces can be cut for 50 people? Or how many can be cut?
*Thursday, March 1, 2012 at 1:55pm*

**arithmetic**

in an AP, if the 5th and 12th terms are 30 and 65 respectively. what is the sum of first 20terms
*Thursday, March 1, 2012 at 1:28pm*

**arithmetic**

if 6 times the sixth term is equal to 15 times the fifteenth term ,find its 21st term
*Wednesday, February 29, 2012 at 10:47am*

**arithmetic**

If 10 times the 10 th term of an AP is equal to 15 times its 15 th term, show that its25 th term is zero.
*Tuesday, February 28, 2012 at 10:51am*

**arithmetic**

In an AP the first term is 2 and the sum of the first five terms is one fourth of the sum of the next five terms. Show that the 20th term is -112.
*Tuesday, February 28, 2012 at 3:32am*

**arithmetic**

determine the A.P whose fourth term is 18 and the difference of the ninth term from the fifteenth term is 30.
*Monday, February 27, 2012 at 3:55am*

**arithmetic**

An arithmetic n geometric sequence have the same first term 2.with the 2nd term x. the sum of the 3rd term of the AS is equal to the 3rd term of the GS. Give the first 3 terms of both sequences.
*Sunday, February 26, 2012 at 5:32pm*

**arithmetic**

in a geometric sequence the first term is 48 and the fifth term is 3-Find the first 5 terms
*Sunday, February 26, 2012 at 5:23pm*

**Statistics **

Find Maximum Likelihood Estimator of Gamma Distribution Given: f(x; β) = [ 1/( β^2) ] * x * e^(-x/ β) for 0 < x < infinity EX = 2β and VarX = 2(β^2) Questions: 1/First, I believe this is a gamma distribution with alpha = 2. Is that right? 2/Find ...
*Saturday, February 25, 2012 at 7:51pm*

**arithmetic**

What makes the mode decrease In math?
*Sunday, February 19, 2012 at 12:37pm*

**arithmetic**

6(x-6)+2=8(x+2)-8
*Sunday, February 19, 2012 at 2:41am*

**arithmetic**

convert to inches, 30mm wide and 40 mm long
*Saturday, February 18, 2012 at 2:25pm*

**arithmetic**

Laura sees 5 triangles she knows each triangle has 3 corners help laura sjip count to find how many corners are on 5 triangles
*Wednesday, February 15, 2012 at 8:15pm*

**math**

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. You can solve any three of the seven given problems. 1. Alok and Bhanu ...
*Wednesday, February 15, 2012 at 9:35am*

**arithmetic**

When Joe died he had 1200 acres of apple orchards. Rebecca wants to plant four apple trees. She was told to plant them 8 to 33 feet apart. If she plants the trees at the four corners of a square, what is tht minimum number of square feet in her tiny orchard
*Wednesday, February 8, 2012 at 7:33pm*

**arithmetic**

the sum of the 3rd and the 4th term is 44 and the sum of the 10th and the 15th term is 203. what is the sum up to the 20th term?
*Tuesday, February 7, 2012 at 9:17am*

**Math**

The 3rd and 12th terms of an arithmetic progression are 12 and -24 respectively. What is the 50th term?
*Monday, February 6, 2012 at 11:07am*

**arithmetic**

Kate ate 1/3 of the cookies she made for the bake sale. IF she ate 12 cookies, how much will she make if she sells wach remaining cookie for $0.15 each?
*Saturday, February 4, 2012 at 4:18pm*

**arithmetic**

A and B can complete a piece of work in 8 and 10 days respectively However they work alternately one day each with beginning the work In how much time will the work be completed?
*Friday, February 3, 2012 at 6:05am*

**math**

Write an expression from the model below and then simplify the expression. Positive Negative Which equation is modeled on the number line below? (-56)/(-8) = 3- (-4)= 7.1 (Rational Numbers) No Calculators Fill in the chart below. Base of 10 Whole Number or Fraction Decimal ...
*Thursday, February 2, 2012 at 3:03pm*

**arithmetic**

5 days a week in a 12 x 12 room 8 hours a day for 5 months approximate amount of electricity used
*Tuesday, January 31, 2012 at 9:45pm*

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