Wednesday

July 30, 2014

July 30, 2014

**Recent Homework Questions About Arithmetic**

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**math**

The sum of the first 20 terms of an arithmetic series is identical to the sum of the first 22 terms. If the common difference is -2, find the first term.
*Thursday, July 17, 2014 at 7:56am*

**math**

help please The measures of the sides of a right triangle form an arithmetic progression whose difference is 1. Find the measure of the hypotenuse
*Monday, July 14, 2014 at 1:54pm*

**math**

Help please find three consecutive numbers, which are in arithmetic progression whose sum is 39
*Monday, July 14, 2014 at 1:40pm*

**arithmetic**

a guy bought some fish from a farm.during 1st week 1/8 of fish died ,in next 2 weeks 3/5 of the remaining died.what fraction of the original fish died in last three weeks
*Thursday, July 3, 2014 at 1:45pm*

**Math**

The first three terms of an arithmetic progression are t, 2t-1, 2t+4. Calculate the value of t.
*Wednesday, July 2, 2014 at 2:20pm*

**Math**

– 11 is the __________ term of the arithmetic sequence – 847, – 836, – 825, – 814, – 803, …
*Tuesday, June 17, 2014 at 9:54pm*

**arithmetic**

the temperature in Montreal is -3 degrees celsius at 10.00pm.by 6:00 am the temperature has dropped another 11 degress celsius.what is the new temperature?
*Tuesday, June 17, 2014 at 9:45pm*

**arithmetic**

a tent needs 8.3 meters of fabric.Ifthe fabric cost $32.00 per meter,how much will it cost to make the tent?
*Tuesday, June 17, 2014 at 9:41pm*

**Math**

Find the value of x so that 3x – 2, 2x – 1 and 4x – 3 form an arithmetic sequence.
*Tuesday, June 17, 2014 at 9:04pm*

**Math**

Find the 12th term of the arithmetic sequence 2, 6, 10, … .
*Tuesday, June 17, 2014 at 8:47pm*

**arithmetic**

In a box of 800 oranges,72 are bad.what percentage is bad?what percentage is good?
*Tuesday, June 17, 2014 at 6:47pm*

**Arithmetic**

The first, second and third terms of a geometric progression are 2k+3, k+6 and k, respectively. Given that all the terms of geometric progression are positive, calculate (a) the value of the constant k (b) the sum to infinity of the progression.
*Monday, June 16, 2014 at 10:42am*

**Math**

1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?
*Sunday, June 15, 2014 at 9:02pm*

**Math**

Solve for the 1st term of the arithmetic sequence whose 33rd term is -2p and whose 61st term is 26p.
*Sunday, June 15, 2014 at 9:01pm*

**Arithmetic**

A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 54 marbles in it. At least how many green marbles does it have in it?
*Thursday, June 12, 2014 at 3:31pm*

**arithmetic**

I am larger than 50 and less than 100. i have a 5 in the ones place. i have a number smaller than 6 in the tens place. What number am I?
*Wednesday, June 11, 2014 at 10:07pm*

**math**

The arithmetic mean of two numbers is 9 and their geometric mean is 3√5. Find these numbers
*Tuesday, June 10, 2014 at 4:26pm*

**math**

Given the numbers 10 and 40 their averages are obtained by different procedures 16, 20 and 25 respectively. Say which is the arithmetic mean and what is the geometric mean
*Tuesday, June 10, 2014 at 4:14pm*

**Algebra **

The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...
*Monday, June 2, 2014 at 10:36pm*

**College Algebra **

The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...
*Monday, June 2, 2014 at 6:43pm*

**Statistic**

For 3 and 4 find the range, variance, and standard deviation. Round to the nearest tenth. 3. Twelve students were given an arithmetic test and the times (in minutes) to complete it were 10, 9, 12, 11, 8, 15, 9, 7, 8, 6, 12, 10 4. The normal daily temperatures (in degrees ...
*Friday, May 30, 2014 at 2:16pm*

**Math **

If 5+x, 8, and 1+2x are consecutive terms in an arithmetic sequence, find x.
*Thursday, May 29, 2014 at 8:24am*

**Math**

Find the sum of the arithmetic series -12-9-6-...39.
*Wednesday, May 28, 2014 at 11:55pm*

**math**

The simple formula for the nth term of an arithmetic sequence is an = 6n + 14. What is the explicit formula corresponding to the simple formula?
*Wednesday, May 28, 2014 at 2:10pm*

**arithmetic**

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...
*Saturday, May 24, 2014 at 2:08am*

**Math**

Identify the sequence as arithmetic. geometric, or neither.. explain your answer 1.6, 0.8, 0.4, 0.2....
*Friday, May 23, 2014 at 11:57pm*

**arithmetic**

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...
*Friday, May 23, 2014 at 1:59pm*

**math **

The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?
*Wednesday, May 21, 2014 at 12:06pm*

**Algebra**

Determine whether each sequence is arithmetic or geometric. Find the next three items. 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 geometric nor arithmetic.
*Sunday, May 18, 2014 at 1:14pm*

**Math, Please Help**

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...
*Wednesday, May 14, 2014 at 3:47pm*

**Algebra**

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...
*Wednesday, May 14, 2014 at 2:51pm*

**Math**

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...
*Wednesday, May 14, 2014 at 2:23pm*

**Math**

Is the following sequence a arithmetic,geometric or neither? 1.6, .8, .4, .2 my answer is geometric
*Sunday, May 11, 2014 at 6:35pm*

**Algebra 2**

Select the first five terms in the arithmetic sequence an=8n, starting with n=1
*Saturday, May 10, 2014 at 11:02am*

**Math**

Identify the sequence as arithmetic, geometric, or neither. Explain your answer. 1.6, 0.8, 0.4, 0.2 . . .
*Friday, May 9, 2014 at 4:09pm*

**Precalculus**

1. In an arithmetic sequence, the fifth term, u5, is greater than the first term, u1. The difference between these terms is 36. a) find the common difference 9? The tenth term of the sequence is double the seventh term . b) find u1 2.5? 2. Consider the function f(x) = ax^3 -3x...
*Monday, May 5, 2014 at 10:40pm*

**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...
*Friday, May 2, 2014 at 3:36pm*

**Trig**

What is the sum of the arithmetic series where n=50 , t1=9 and t2=331
*Tuesday, April 29, 2014 at 5:01pm*

**Trig**

What is the sum of the arithmetic series where n=100 , t1=7 and t2=205
*Tuesday, April 29, 2014 at 4:59pm*

**Trig **

Find the 20th term of an arithmetic sequence with a=1 and d=1/2
*Tuesday, April 29, 2014 at 4:53pm*

**Trig**

Find the 6th term of the arithmetic sequence with a9=120 and a14=195
*Tuesday, April 29, 2014 at 4:51pm*

**maths**

1.hw many 3 digit nos are divisible by 7? 2.wat is d sum of product and quotient of 8 & 8? 3.if d average(arithmetic mean)of 25,31 and x is 3.value of x?
*Saturday, April 26, 2014 at 6:01am*

**Math**

1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric? A.The sequence is geometric because it decreases by a factor of 6. B.The sequence is arithmetic because it decreases by a factor of 6 C.The sequence is geometric because it decreases by a factor of 1/18...
*Friday, April 25, 2014 at 1:23pm*

**Algebra1**

Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253.
*Tuesday, April 22, 2014 at 5:15pm*

**Math question **

Identify the sequence as arithmetic. geometric, or neither.. explain your answer 1.6, 0.8, 0.4, 0.2
*Monday, April 21, 2014 at 6:19pm*

**math**

Find the number of term s in the following arithmetic sequence. 3, 9, 15, 21... 123
*Saturday, April 19, 2014 at 10:33pm*

**arithmetic**

a car traveled a distance of 195 miles in 3 hours 15 minutes what is the unit rate ? oris it answer 60 miles per hour
*Saturday, April 19, 2014 at 11:18am*

**math**

identify the sequence 1.6, .8, .4, .2 as arithmetic, geometric, or neither and why.
*Sunday, April 13, 2014 at 11:09am*

**algebra 2**

what is the sum of the first 11 terms of the arithmetic series in which asub one = -12 and d=5
*Sunday, April 6, 2014 at 8:11pm*

**arithmetic**

Ana sees a computer that costs $1600. The store manager says next week will be on sale $350 less. What percent will Ana save
*Wednesday, April 2, 2014 at 7:35pm*

**PRE CALC**

The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??
*Wednesday, April 2, 2014 at 7:01pm*

**arithmetic**

Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.
*Tuesday, April 1, 2014 at 1:04am*

**Statistics**

For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees awarded? About 9,120 ...
*Thursday, March 27, 2014 at 11:50pm*

**Statistics**

For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees awarded? About 9,120 ...
*Thursday, March 27, 2014 at 10:11pm*

**Statistics**

A stockbroker placed the following order for a customer: • 50 shares of Kaiser Aluminum preferred at $100 a share • 100 shares of GTE preferred at $27.20 a share • 20 shares of Boston Edison preferred at $12.20 a share What is the weighted arithmetic mean price ...
*Thursday, March 27, 2014 at 9:49pm*

**Statistics**

The distribution of a sample of the outside diameters of PVC gas pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 11.0 inches, and the standard deviation is 2.0 inches. About 68 percent of the outside diameters lie between what two amounts? 8....
*Thursday, March 27, 2014 at 9:10pm*

**Economics and Statistics**

A stockbroker placed the following order for a customer: • 50 shares of Kaiser Aluminum preferred at $100 a share • 100 shares of GTE preferred at $27.20 a share • 20 shares of Boston Edison preferred at $12.20 a share What is the weighted arithmetic mean price ...
*Thursday, March 27, 2014 at 8:07pm*

**Calculus**

Posted by MG on Wednesday, March 26, 2014 at 6:54pm. The hands of a clock in some tower are 4.5m and 2m in length. How fast is the distance between the tips of the hands changing at 9:00? (Hint: Use the law of cosines) The distance between the tips of the hands is changing at ...
*Thursday, March 27, 2014 at 3:36am*

**Maths**

4x+1,2x+4 and x+3 are first three terms of arithmetic sequence determine the value of x
*Wednesday, March 26, 2014 at 10:47am*

**Business & Economics**

For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,033; 5,652; 6,407; 7,201; 8,719; 11,154; 15,121. What is the annual arithmetic mean number of degrees awarded? About 12,240 ...
*Monday, March 24, 2014 at 1:22pm*

**arithmetic**

An investment of $2,000 is earning interest at the rate of 6.2% compounded quarterly over 5 years. Approximately how much interest is earned on the investment?
*Friday, March 21, 2014 at 10:11am*

**Algebra ll**

Help please, I don't understand how to do this... Give an example of an arithmetic sequence that is found in the real world. Find the common difference and write a recursive and iterative rule for the sequence. Use one of the rules to find another term of the sequence. ...
*Wednesday, March 19, 2014 at 5:46pm*

**arithmetic**

if you 99 lines on a piece of paper so that no two lines are pallarel to each other and no three lines pass through the same point,how many times will they will intersect?
*Sunday, March 9, 2014 at 2:48pm*

**mathematics **

MATHEMATICS PLEASE HELP ME!!! In an arithmetic series the 3rd term is twice the 8th term find the first 25 terms
*Thursday, March 6, 2014 at 10:43am*

**math**

In an arithmetic series the 3rd term is twice the 8th term. Find the sum of the first 25 terms.
*Thursday, March 6, 2014 at 9:40am*

**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 at 2:56pm*

**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 at 11:31am*

**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 at 6:13am*

**math**

Select the first five terms in the arithmetic sequence an = 8n, starting with n = 1
*Saturday, February 8, 2014 at 12:56am*

**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 at 8:31am*

**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 at 12:29pm*

**math**

find the 4th term of an arithmetic sequence whose first term is -8 and whose 9th term is 32.
*Thursday, January 30, 2014 at 7:20pm*

**Maths **

if the 29th term of arithmetic series is double of 19th term then find the 9th term.
*Thursday, January 30, 2014 at 2:21am*

**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 at 7:59pm*

**Math**

Two terms of an arithmetic sequence are t6=-3 and t11=-13. What is t20?
*Saturday, January 18, 2014 at 9:53pm*

**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 at 3:00am*

**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 at 9:16pm*

**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 at 8:54pm*

**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 at 8:52pm*

**Maths**

If 9th term of an arithmetic progression is 0, prove that its 29th term is double the 19th term.
*Thursday, January 9, 2014 at 6:55am*

**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 at 10:48pm*

**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 at 10:23pm*

**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 at 10:23pm*

**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 at 10:08pm*

**math**

i need help on properties of arithmetic
*Wednesday, January 8, 2014 at 4:24pm*

**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 at 10:34am*

**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 at 7:25pm*

**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 at 10:47pm*

**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 at 3:47pm*

**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 at 7:58pm*

**Math**

What is the common difference of the following arithmetic sequence? 102, 100, 98, 96... 2 -2 -1 102 Is it -2?
*Tuesday, November 12, 2013 at 11:47am*

**math**

What is the 32nd term of the arithmetic sequence where a1 = -32 and a9 = -120?
*Friday, November 8, 2013 at 4:09pm*

**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 at 12:57am*

**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 at 1:38pm*

**math**

Find the 7th term of arithmetic progression...12,20,28.
*Monday, October 28, 2013 at 1:41am*

**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 at 2:12pm*

**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 at 1:23pm*

**arithmetic**

round .44857 to the nearest hundreths?
*Friday, October 25, 2013 at 12:49am*

**Algebra 1**

What is the ninth term of the arithmetic sequence defined by the rule below? A(n)=-14+(n-1)(2) A.232 B.230 C.2 D.4 I think it is C - 2???
*Monday, October 21, 2013 at 12:56pm*

**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 at 8:57pm*

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