Friday

May 22, 2015

May 22, 2015

**Math **

Let a1,a2,......a10 be an arithmetic sequence. If a1+a3+a5+a7+a9=17 and a2+a4+a6+a8+a10=15 then find a1.
*Monday, December 15, 2014 at 7:41pm*

**Math **

Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of integers. Teller's first term is the negative of Penn's first term. Each then finds the sum of terms in his sequence. If their sums are ...
*Monday, December 15, 2014 at 12:57pm*

**Math **

Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of integers. Teller's first term is the negative of Penn's first term. Each then finds the sum of terms in his sequence. If their sums are ...
*Sunday, December 14, 2014 at 8:04pm*

**Math **

Problem 6: Let a1,a2,.........a10 be an arithmetic sequence. If a1+a3+a5+a7+a9=17 and a2+a4+a6+a8+a10=15, then find a1.
*Sunday, December 14, 2014 at 8:00pm*

**Algebra **

Let a1,a2,a3..... be an increasing arithmetic sequence of integers. If a4a5=13 what is a3a6?
*Saturday, December 13, 2014 at 7:48pm*

**Algebra**

Solve for x>0 in the following arithmetic sequence 1^2,x^2,3^2.....
*Saturday, December 13, 2014 at 3:57pm*

**Algebra **

The fifth term of an arithmetic sequence is 11. If the difference between two consecutive terms is 1, what is the product of the first two terms?
*Saturday, December 13, 2014 at 3:32pm*

**Algebra **

The second and ninth terms of an arithmetic sequence are 2 and 30 respectively. What is the fiftieth term.
*Saturday, December 13, 2014 at 9:48am*

**calculous (check)**

If air resistance is neglected, a falling object travels 13 ft during the first second, 39 ft during the next, 65 ft during the next, and so on. These distances form the arithmetic sequence 13, 39, 65, ... .In this sequence, a(subscript)1 = 13 d equals 26. Find a formula for f...
*Friday, December 12, 2014 at 6:00pm*

**Sequences**

An arithmetic sequence has first term of 6 and difference of 8; what is the tenth term? a10(subscript 10) = ?
*Friday, December 12, 2014 at 12:46am*

**Mathematics**

Insert three arithmetic mean and solve the nth term of 1 and 2
*Thursday, December 11, 2014 at 5:01am*

**problem solving**

What rectangular regions could be enclosed? Areas? Organize a table? Make a graph? Which rectangular region has the most area? from a table? from a graph? from algebra, using the arithmetic mean-geometric mean inequality?
*Monday, December 8, 2014 at 2:11am*

**Algebra**

Please help me to to solve this quadratic equation word problem. Here is the question: The Abacus. The Chinese abacus consists of a frame, parallel wires, and beads that are moved to perform arithmetic computations. The frame is 21 Centimeters longer than it is high, which is ...
*Friday, December 5, 2014 at 3:55am*

**precal Arithmetic progression**

The fifth term of an arithmetic series is 12 and the eighth term is 3. Find the sum of the first 6 terms and also of the first 11 terms. T5=a+4d=12 T8=a+7d=3 -3d=9 d=-3
*Tuesday, December 2, 2014 at 1:18pm*

**Alg !**

What is the sum of the first 4 terms of the arithmetic sequence in which the 6th term is 8 and the 10th term is 13?
*Friday, November 28, 2014 at 11:25am*

**math**

8,18,28,38,48 what is the next term? i came up with 10 am i correct? is this consider arithmetic or geometric?
*Wednesday, November 26, 2014 at 11:41am*

**Algebra, help please!!!**

Find the mean and the median in the following arithmetic sequences: A: 1, 3, 5, 7, 9 B: 1, 3, 5, 7, 9, . . . ., 199 C: 7, 10, 13, 16, . . ., 607
*Wednesday, November 19, 2014 at 9:26pm*

**arithmetic**

In Jullian's garden, there are 3 rows of carrots, 2 rows of string beans,and 1 row of peas. There are 8 plants in each row. How many plants are there in all?
*Wednesday, November 19, 2014 at 4:23pm*

**arithmetic**

the clock at the capitol building has an hour hand that is 12 feet long.how many feet will the top of the hand move between the hours of the midnight and 8am?
*Wednesday, November 19, 2014 at 10:41am*

**arithmetic**

How do I solve 15x=75?
*Sunday, November 16, 2014 at 7:45pm*

**arithmetic**

If you spent 85% of your money and have only $75.00 left, how much money did you start with?
*Sunday, November 16, 2014 at 7:00pm*

**Arithmetic Progression**

the sum of the first and second terms of ap is 4 and the tenth term is 19. find the sum of the 5th and 6th
*Wednesday, November 12, 2014 at 4:20pm*

**arithmetic**

the 20th sum of an arithmetic progression is -7 and the sum of the first 20 terms is 620. find the 1st and 30th terms i am looking at using S20 = a(1-rn)/l-r = 620. but i am reallys tuck and think i am very wrong. please help.
*Saturday, November 8, 2014 at 8:09am*

**arithmetic**

if the internal diameter of a cylindrical iron piep is 2.8 cm . If the pipe is melted uniformly by 1 mm then it formed a cylindrical rod ,find the diameter of the new rod?
*Wednesday, November 5, 2014 at 12:55am*

**arithmetic**

If you have 3 cups of pineapple juice and, how many total cups of punch can you make? Table: Ginger Ale - 40% OJ 25% Pineapple juice 20% Sorbet 15
*Monday, November 3, 2014 at 6:10pm*

**math**

A 20-year-old student decided to set aside $100 on his 21st birthday for investment. Each subsequent year through his 55th birthday, he plans to increase the investment on a $100 arithmetic gradient. He will not set aside additional money after his 55th birth- day. If the ...
*Monday, November 3, 2014 at 4:26pm*

**Economics**

A 20-year-old student decided to set aside $100 on his 21st birthday for investment. Each subsequent year through his 55th birthday, he plans to increase the investment on a $100 arithmetic gradient. He will not set aside additional money after his 55th birth- day. If the ...
*Monday, November 3, 2014 at 1:03pm*

**Algebra **

Define a#b as the arithmetic mean of a and b. What is the value of ((1#2)#2)#4? Express your answer as a common fraction. The hashtag is just a sign. Thank you!
*Saturday, November 1, 2014 at 9:09am*

**math**

What is the d value of the following arithmetic sequence? 5, 2, -1, -4, -7,… A. 3 B. -3 C. 4 D. -4
*Wednesday, October 29, 2014 at 10:31pm*

**math**

Find the first arithmetic mean between 100 and 135 given the following sequence: ..., 100, ___, ___, ___, ___, 135, ... A. 107 B. 114 C. 121 D. 128
*Wednesday, October 29, 2014 at 10:30pm*

**Economics**

A 20-year-old student decided to set aside $100 on his 21st birthday for investment. Each subsequent year through his 55th birthday, he plans to increase the investment on a $100 arithmetic gradient. He will not set aside additional money after his 55th birth- day. If the ...
*Wednesday, October 29, 2014 at 2:45pm*

**Algebra**

What function represents the arithmetic sequence 3,7,11,15?
*Thursday, October 23, 2014 at 2:38pm*

**Algebra**

What is the 9th term of the arithmetic sequence defined by the rule below? A(n)=-14+(n-1) (2)
*Thursday, October 23, 2014 at 10:16am*

**arithmetic**

The minute hand on a clock is 49mm long. What area does it pass over in 30 minutes.
*Thursday, October 23, 2014 at 9:39am*

**arithmetic**

The minute hand on a clock is 19mm long.What area does it pass over in 30 seconds.
*Wednesday, October 22, 2014 at 10:18pm*

**arithmetic**

A set of 7 numbers has a mean of 9. What additional number must be included in this set to create a new set with a mean that is 3 less than the mean of the original set?
*Monday, October 20, 2014 at 11:24am*

**maths **

the first term of arithmetic progression is -8 .and the ratio of the 7th and the 9th term is 5 :8 .find the common difference.
*Monday, October 20, 2014 at 6:29am*

**arithmetic**

what is the perimeter of a lions cage which is 12mlong and 5.5 wide
*Thursday, October 16, 2014 at 11:14am*

**arithmetic**

if sheila has 5 times as much as dave and the total number is 18. how much does sheila have
*Thursday, October 16, 2014 at 7:08am*

**arithmetic**

if A and B ARE MOVING IN a circular track of length 0.32miles from the start line whose speed are 7 miles per hour and 9 miles per hour respectively ,then after how many seconds will they meet for the first time?
*Wednesday, October 15, 2014 at 5:30am*

**arithmetic**

Jodi is cutting out pieces of paper that measure 8.5 inches by 11 inches from a larger sheet of paper that has an area of 1000 square inches. What is the area of each piece of paper that Jodi is cutting out?
*Tuesday, October 14, 2014 at 8:08pm*

**algebra**

suppose that an employee receives 7% increase in salary each year and that sequence a^n models the employees salary after n years. Is this sequence arithmetic, geometric or neither ? and please explain
*Sunday, October 12, 2014 at 10:23pm*

**arithmetic**

vanessa buys a strip pf 25 postage stamps. The strip of stamps is 21 7/8 inches long. How long is a strip after one stamp is used.
*Sunday, October 5, 2014 at 8:53pm*

**math**

Write the first six terms of the arithmetic sequence with the given properties. a = 3, d = 2 a. 3,8,13,18,23,28 b. 3,5,7,9,11,13 c. 3,6,8,10,12,14 d. 2,7,12,17,22,27 e. 2,4,6,8,10,12
*Wednesday, October 1, 2014 at 4:11am*

**Pre-Calculus/Trigonometry**

For the sequence an = 4n + 5: find: the first five terms: find the sum of the first 25 terms: is it a arithmetic sequence? If so how can you tell, if not, why not?
*Tuesday, September 30, 2014 at 4:20pm*

**Pre-Calculus/Trigonometry**

give an example of an arithmetic sequence also give an example of a system of equations with no solutions
*Monday, September 29, 2014 at 5:42pm*

**PROGRAMMING**

1. Make a C program that will input two integers and then to enter an option as follows: • 1 = to add the two integers. • 2 = to subtract the second integer from the first. • 3 = to multiply the integers • 4 = to divide the first integer by the second ...
*Sunday, September 28, 2014 at 8:04am*

**math **

Find the sum of the first 60 terms of the arithmetic sequence whose first term is −15 and whose common difference is 7.
*Saturday, September 27, 2014 at 12:24am*

**arithmetic**

1700 lottery tickets are sold for $25 each, and one grand prize of $4100 is awarded. If you purchase one ticket, find your expectation per ticket
*Friday, September 26, 2014 at 9:35am*

**Math**

What is a1 if a33 is equal to -2p and a74 = 26p? Our topic is arithmetic series and sequence. Thanks.
*Monday, September 22, 2014 at 4:01am*

**Algebra**

What is a1 if a33 is equal to -2p and a74 = 26p? Our topic is arithmetic series and sequence. Thanks.
*Sunday, September 21, 2014 at 4:15am*

**Math**

For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 3a, 3a – 2b, 3a – 4b, 3a – 6b, …
*Friday, September 19, 2014 at 12:57pm*

**Math**

For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1/4, -1/2
*Thursday, September 18, 2014 at 1:38pm*

**Math**

Determine whether each sequence is geometric, arithmetic, or neither. Justify your answer. 1/5, 1/4, 1/3,1/2,1
*Thursday, September 18, 2014 at 1:38pm*

**Math**

The sum of the first two terms of an arithmetic series is 15 and the sum of the next two terms is 43. What are the first four terms of the series?
*Wednesday, September 17, 2014 at 1:12pm*

**Math**

Etienne owns a small recycling company that picks up empty glass bottles from restaurants. At the first restaurant, he picks up 50 bottles. At each restaurant after this, he picks up 4 more bottles than he picked up at the restaurant before. Assume that this pattern continues...
*Wednesday, September 17, 2014 at 1:04pm*

**Math**

An explicit formula for the general term for the arithmetic sequence 7/4,1, 1/4, -1/2?
*Wednesday, September 17, 2014 at 12:40pm*

**Math**

Consider the arithmetic series 7 + 19 + 31 + 43 + 55 + pr004-1.jpg. a) How many terms are less than 1000? (3 marks - show your work) b) How many terms are less than 2000? (3 marks - show your work)
*Tuesday, September 16, 2014 at 11:36pm*

**Algebra**

True or False 1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence. 2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term. 3. In an arithmetic sequence, the common difference is computed by subtracting the ...
*Tuesday, September 9, 2014 at 1:51am*

**arithmetic**

Amy is building a house .the basement floor is at -15feet. the roof of the house is above the ground 25 feet. express the comparison of heights as an equality . explain the meaning of the inequality
*Monday, September 8, 2014 at 9:06pm*

**arithmetic**

find the square root 83456
*Thursday, September 4, 2014 at 3:29pm*

**math**

Add the odd numbers divisible by 3 lying between 200 and 400.is arithmetic or geometric progression.
*Tuesday, August 26, 2014 at 11:04pm*

**Algerbra 2**

Arithmetic sequence 4,7,10,13 How do you do it.
*Friday, August 22, 2014 at 12:45pm*

**maths**

The difference between the second and fourth terms of an arithmetic sequence is 3. If the product of the first and fourth term is 34, calculate the value of the first term.
*Wednesday, August 13, 2014 at 3:50am*

**Algebra 2**

Is this sequence arithmetic, geometric, or neither? 3,10,31...
*Thursday, August 7, 2014 at 10:57pm*

**Algebra 2**

Is this sequence arithmetic,geometric, or neither? -111,2.5,115.5
*Thursday, August 7, 2014 at 10:56pm*

**math**

A student worked V hours on Monday W hours on Tuesday X hours on Wednesday Y hours on Thursday and Z hours on Friday. What is the average (arithmetic mean)
*Wednesday, August 6, 2014 at 12:13am*

**arithmetic**

write 4.33 as a mixed number
*Monday, August 4, 2014 at 4:27pm*

**mat/117**

Select the first five terms in the arithmetic sequence an =2n, starting with n= 1
*Friday, August 1, 2014 at 1:23pm*

**psudoecode**

Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a number that represents ...
*Monday, July 21, 2014 at 3:27pm*

**psudoecode**

Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a number that represents ...
*Monday, July 21, 2014 at 12:47am*

**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*