Thursday

May 26, 2016
**Math**

In 1985, 10% of Americans had no close friends. On average, this has increased by approximately 0.77% per year a. Write a formula for the nth term of the arithmetic sequence that models the percentage of Americans with no close friends n years after 1984. b. If trends shown by...
*Monday, December 14, 2015 by Dee*

**Math**

Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a'n to find a20, the 20th term of the sequence. a'1 = -13, d = -5
*Monday, December 14, 2015 by Dee*

**college algebra help********

Sequences 1. Constructing a Brick Staircase A brick staircase has a total of 30 steps. The bottom step requires 100 bricks. Each successive step requires two less bricks than the prior step. a. How many bricks are required for the top step? b. How many bricks are required to ...
*Tuesday, December 8, 2015 by Anonymous*

**Math**

Can anyone help me with these problems? 1. A square has a side of 2 decimeters. A new square is formed by joining the midpoints of the sides. If this procedure is repeated 6 times, what is the perimeter and area of the seventh square ? 2. Find the sum of those numbers ...
*Tuesday, December 8, 2015 by Anonymous*

**math**

1. a square has a side of 2 decimeters. a new square is formed by joining the midpoints of the sides. If this procedure is reoeated 6 times, what is the perimetet and area of the seventh square 2. find the sum of those numbers between 15 and 810 which have 8 as their units ...
*Tuesday, December 8, 2015 by Anonymous*

**Math**

The fifth term of an arithmetic progression is 19 and the fourteenth term is 15. Find the, first term, common difference, and sum of the first eighty terms.
*Monday, December 7, 2015 by Destiny*

**Maths Arithmetic**

(2) How Many Terms Has The A.P Whose First Term Is 15 Aod The Last Term Is 57 Given That The Common Difference Is 3?
*Sunday, December 6, 2015 by Elijah*

**maths**

find 2 numbers whose arithmetic mean exceeds their geometric mean by 2 .and whose harmonic mean is 1/5 of the larger number.....
*Tuesday, December 1, 2015 by xxxx*

**Math Test**

1. A rental car company charges $150.00 for a weekly rental and an additional $0.20 for each mile driven. The function rule C=0.20m+150.00 describes the relationship between the number of miles driven m and the total cost C. If the rental car can only be driven a maximum of ...
*Monday, November 30, 2015 by Kaai97*

**Math**

Tell whether the sequence is arithmetic. If it is, what is the common difference? 1, 1 1/6, 1 1/3, 1 1/2 a. yes; -1/6*** b. yes; 1/6 c. yes; 6 d. no
*Monday, November 30, 2015 by Kaai97*

**math**

The sum of all five terms of an arithmetic sequence is 55. Find the sum of the first three terms of the sequence if the sum of the last three is 48.
*Friday, November 27, 2015 by asd*

**Algebra 1**

Indicate which property is illustrated in Step 5. Step 5: =(4+4)x+(9+9) A. arithmetic fact B. associative C. distributive D. commutative i think it's a, but not sure
*Tuesday, November 24, 2015 by basketball&batman*

**Algebra**

1. What are the next two terms of the following sequence? 1, 5, 9... A. 27, 211 B. 10,11 C.12,15 D.13,17 2. Which of the following are examples of arithmetic sequences? Choose all that apply. A. -2,2,6,10 B. 1,3,9,27 C. 5,10,20,40 D. 5,1,-3,-7 3. What is the common difference ...
*Thursday, November 19, 2015 by Danielle*

**Precalculus**

1.) Use sigma notation to describe the sum of the first ten terms of the arithmetic sequence. 20+18.5+17+15.5+14+12.5+11+9.5+8+6.5 2.)Use sigma notation to describe the sum of the first ten terms of the geometric sequence. (40)+(-10)+(5/2)+(-5/8)+(5/32)+(-5/126)+(5/512...
*Saturday, November 14, 2015 by Ellie*

**maths**

the sum of an arithmetic progression is given by 2n-1. find the nth term of the sequence
*Monday, November 9, 2015 by Docia*

**ALGEBRA**

bean plants grow rapidly. a bean plant is 16 inches tall. Tomorrow it will be 24 inches tall, the next day it will be 32 inches tall and on the next day it will be 40 inches tall. Write a rule to represent the heights of the bean plant as an arithmetic sequence. how tall will ...
*Monday, November 9, 2015 by BUBBLES*

**Math - Arithmetic question**

I have a question about the limits to Arithmetic problems, on my homework I've noticed that so far all of the arithmetic sequences limits are infinite (-infinity or +infinity, I was just wondering if all the limits to Arithmetic problems are to an infinity since 99% of the...
*Sunday, November 8, 2015 by Mary*

**Foundation aLGEBRA**

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. –3, –1, 1, 3,...
*Thursday, November 5, 2015 by queen sipp*

**Algebra 1- Please help**

Tell whether the sequence is arithmetic. If it is, what is the common difference? a. no (as in, its not arithmetic) b. yes;4 c. yes;5 d.yes;6 i think its a
*Thursday, November 5, 2015 by basketball&batman*

**ALGEBRA**

bean plants grow rapidly. a bean plant is 16 inches tall. Tomorrow it will be 24 inches tall, the next day it will be 32 inches tall and on the next day it will be 40 inches tall. Write a rule to represent the heights of the bean plant as an arithmetic sequence. how tall will...
*Thursday, November 5, 2015 by BUBBLES*

**c$s college**

the first term of an arithmetic progression is 3 and the fifth term is is 9.find the number of terms in the progression if the last term is 81
*Wednesday, November 4, 2015 by Umaru Monsurat*

**maths**

if the 4th term of an arithmetic sequence is 9 and the 8th term is 19
*Tuesday, November 3, 2015 by himanshi*

**Geography **

1. Demographers report the population density of a country as a measure of total population relative to land size. TRUE FALSE Answer : true 2. Which of the following is not an example of adequate physiological population density? A. Cities such as Luxor, Cairo, and Alexandria ...
*Friday, October 30, 2015 by Geo*

**maths**

collect marks of 10 of your classmates in different subjects in the recent examination. estimate the arithmetic mean of marks in each subject and verify them by actual calculations.how many of your estimations represent exact mean?
*Sunday, October 25, 2015 by mudassir*

**math**

collect marks of 10 of your classmates in different subjects in the recent examination. estimate the arithmetic mean of marks in each subject and verify them by actual calculations.how many of your estimations represent exact mean?
*Sunday, October 25, 2015 by mudassir*

**Math**

Please help me with my midterm review my teacher was out sick today and idk how much longer she will be but my midterms Thursday. She only helps people who she has seen done there midterm review and gotten over half of it right so can any of you please help me. Write the first...
*Tuesday, October 20, 2015 by Mark*

**kite**

the sixth term of an arithmetic progression is 21 and the sum of the first 17 terms is 0. write the first three terms.
*Wednesday, October 14, 2015 by chalton*

**Math**

1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic, geometric, both, or ...
*Friday, October 9, 2015 by May*

**maths **

The sum of first 6 terms of an Arithmetic progression is 6 the product of 2nd term and 5th term is -80 . Find the terms of A.P.
*Thursday, October 8, 2015 by Anonymous*

**Math**

You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain.
*Wednesday, October 7, 2015 by Taryn Hughey*

**math**

I'm having trouble just starting this problem You receive a $500 gift and decide to use it to start saving for a car. You add $50 dollars a week from your part time job. Write the recursive definition for an arithmetic sequence that models this situation. Then, find the ...
*Monday, October 5, 2015 by MathlessinCarolina*

**Pre Calculas**

Im really struggling and need help with this 1. One of the tables below contains (x,y) values that were generated by a linear function. Determine which table, and then write the equation of the linear function represented by the Table #1 x 2 5 8 11 14 17 20 y 1 3 7 13 21 31 43...
*Monday, October 5, 2015 by Ryan*

**Math**

Ryan's average for 5 arithmetic test was 89. On four of the tests he made 96,86,92, and 80. What did he make on the fifth test?
*Friday, October 2, 2015 by Karen *

**Math**

I can't figure this out! Help please! The Problem At the local park, I saw a man was quizzing a boy with some simple arithmetic problems, and the boy seemed to be getting them all correct. He asked the boy, "32 + 5", and the boy answered, "37". The man ...
*Wednesday, September 30, 2015 by George *

**Arithmetic**

A shopper bought 4 pillow cases that cost $4.98 a piece, 2 fitted sheets that cost $8.29 a piece, and 2 flat sheets that cost $8.09 a piece. What was her total bill?
*Saturday, September 26, 2015 by Anonymous*

**Arithmetic**

Two sailors traveled by bus from one point to another. The trip took 15 hours, and they left their point of origin at 8am. What time did they arrive at their destination?
*Saturday, September 26, 2015 by Anonymous*

**Arithmetic**

A student must walk 2 miles to get to school. If she walks at an average of 3 miles per hour, how many minutes should it take her to walk to school?
*Saturday, September 26, 2015 by Anonymous*

**Arithmetic**

During a sale, CD'S that normally cost $6.98 each were priced at 2 for $12.50.Pete bought 4 CD'S at the sale price. How much money did he save by buying the 4 CDS on sale?
*Saturday, September 26, 2015 by Anonymous*

**pchs mankon**

A man make 20 deposit into an account which is set to be in an arithmetic progression if the 11 term is twice the 15 term and the first term is 10000frs a) fine the common difference b) the 11 term
*Thursday, September 10, 2015 by samson*

**Math**

How can I insert 4 arithmetic means between √2 and 12/√2? How do I incorporate fractions and roots into sequences?
*Thursday, September 10, 2015 by Naomi*

**Math**

The 6th term of an arithmetic sequence is 3 times the 2nd term. Prove that the 10th term is twice the 5th term. tn=t1+(n-1)d
*Thursday, September 10, 2015 by Naomi*

**MATH HELP**

Match the sequence (term) with the correct type of sequence (definition). Match Term Definition 128, 32, 8, 2, ... A) Geometric, common ratio is 0.25 1, 3, 9, 27, ... B) Arithmetic, common difference is 5 5, 10, 15, 20, ... C) Geometric, common ratio is 3 20, 17, 14, 11, ... D...
*Wednesday, September 9, 2015 by Oscar*

**Algebra II**

An indoor auditorium has a small side section that models an arithmetic sequence where the third row has 5 seats and the tenth row has 26 seats. If that section has 14 rows, how many seats would be in the last row?
*Sunday, August 30, 2015 by unknown*

**math**

An indoor auditorium has a small side section that models an arithmetic sequence where the third row has 5 seats and the tenth row has 26 seats. If that section has 14 rows, how many seats would be in the last row?
*Sunday, August 30, 2015 by unknown*

**Counting and Probability**

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?
*Wednesday, August 26, 2015 by Mr. Alexander*

**Math**

The third, fifth and seventeenth terms of an arithmetic progression are in geometric progression. Find the common ratio of the geometric progression.
*Wednesday, August 26, 2015 by Gustav*

**math **

The sum of the first 12terms of an arithmetic progression is 135 while the sum of the next 8 terms is 210. Find the common difference
*Tuesday, August 25, 2015 by Jay *

**TC**

There are n arithmetic means between 1 and 31 such that seventh mean:(n-1)th mean =5:9. Find n.
*Tuesday, August 25, 2015 by Rabinprakash Dahal*

**Maths**

Given the sequence:4;x;32.Determine the value(s) of x if the sequence is: 1.arithmetic 2.geometric
*Sunday, August 23, 2015 by Irene*

**meme**

Consider the system of equations A ⊗ x = b where (i) A ∈ R m×n max , x ∈ R n max, b ∈ R m max and Rmax = R ∪ {−∞}, (ii) ⊗ denotes the max-plus matrix (or matrix-vector) product based on the arithmetic operations of ”...
*Friday, August 21, 2015 by twnkal eshaal*

**Divine mercy school**

The arithmetic mean of x,y andz is 6 while that of x,y,z,t,u,v and w is 9. Calculate the arithmetic mean of t,u,v and w
*Thursday, August 20, 2015 by Goody*

**pre-calculus urgent**

The first term of an arithmetic sequence is 6, and the tenth term is 2. (a) Find the common difference d. d = Find the 100th term of the sequence. a100 = (b) Find the partial sum of the first ten terms. S10 = how do i do this, there's an example I tried following but it ...
*Saturday, August 15, 2015 by Alex*

**Urgent math**

how do I do this can any body show me how? An arithmetic sequence begins 4, 9, 14, 19, 24, . . . . (a) Find the common difference d for this sequence. d = (b) Find a formula for the nth term an of the sequence. an = (c) Find the 35th term of the sequence. a35 =
*Saturday, August 15, 2015 by Aileen *

**Arithmetic progession**

The third term of an A.P is 10times more than the second term. Find the sum of the eight and fifteen term of the A.P if the seventh term is seven times the first term
*Thursday, August 13, 2015 by Abraham*

**Math**

The average (arithmetic means) of t and y is 15, and the average of w and x 15. What is the average of t, w, x, and y? (A) 7.5 (B) 15 (C) 22.5 (D) 30 (E) 60
*Wednesday, August 12, 2015 by Anonymous*

**Arithmetic**

Find the sum. 1 − 1/2+1/4-1/8+....-1/512
*Monday, August 10, 2015 by fabian *

**Urgent math**

Find the partial sum Sn of the arithmetic sequence that satisfies the given conditions. a2 = 5, a5 = 6.5, n = 15 S15 =
*Monday, August 10, 2015 by Fay*

**pre algebra final exam **

Tell whether the sequence 1/3,0,1,-2... I'd arithmetic, geometric,or neither. Find the next three terms of the sequence
*Thursday, August 6, 2015 by Mckenzi *

**arithmetic sequence**

the 40th term of an arithmetic sequence is equal to the sum of the 20th and 31st term. if the common difference of the sequence is-10. find the first term.
*Tuesday, August 4, 2015 by hoho*

**src**

the 4th term of an arithmetic progression is 27 and the sum of the 1st and 4th term is 42. What is the third term
*Sunday, July 26, 2015 by samad*

**math arithmetic sequence and series**

A theater has 30 seats in the first row, 33 seats in the second row, 36 seats in the third row, and so on in the same increasing pattern. If the theater has 15 rows of seats, how many seats are in the theater?
*Tuesday, June 30, 2015 by elizabeth*

**MRGS SCHOOL.**

State the fundamental theorem of Arithmetic.
*Tuesday, June 30, 2015 by Robin*

**Advanced Algebra**

If the number m, 4m-8, m^2-6 are the first three terms of an arithmetic sequnce, what is m? I don't know what equation to start with. I tried getting the m from 4m-8 which is equal to 2 but the answer is different on m^2-6. Most likely my method is wrong. What should I do ...
*Thursday, June 25, 2015 by Dannie*

**Math (arithmetic)**

The total seating capacity of an auditorium is 1,065. The first row has 21 seats arithmetic series and each row has one seat more than the row in front of it. How many rows of seats are there in the auditorium?
*Thursday, June 25, 2015 by Roxane*

**ALGEBRA**

the arithmetic mean of two numbers exceeds their geometric mean by two. find the numbers if one is 40 less than the other? help me please to solve this...
*Saturday, June 20, 2015 by CASS*

**ALGEBRA**

the arithmetic mean of two numbers exceeds their geometric mean by two. find the numbers if one is 40 less than other? please help me to answer this homework.
*Saturday, June 20, 2015 by Bea*

**math**

How many terms are there In an arithmetic Sequence with a common different of 4 and with the first and last term 3 and 59 Respectively.
*Friday, June 19, 2015 by nicole*

**Maths**

2,x,y are the first three terms of an arithmetic sequence.If the 2nd term is decreased by 1.The three terms will form a geometric sequence.calculate x and y and my working out is that if i said x-1
*Tuesday, June 16, 2015 by Luhle qwabe*

**algebra 2**

find the sum of the arithmetic series 13+11+9+...+(-25)
*Tuesday, June 9, 2015 by reina bonilla *

**Math**

What is the difference of the arithmetic sequence 7p+2, 5p+12, 2p-1?
*Saturday, June 6, 2015 by Paps olarte*

**Math**

Find p so that 7p+2, 5p+12, 2p-1 ... form an arithmetic sequence.
*Saturday, June 6, 2015 by Paps olarte*

**Math**

Form an arithmetic sequence by finding p in the numbers 7p+2, 5p+12, 2p-1...
*Saturday, June 6, 2015 by Paps olarte*

**Math: Arithmetic Sequence.**

the 3rd of an Arithmetic sequence is 8 of the 16th term is 47. Find a subed 1 and the common difference. Construct the sequence.
*Thursday, June 4, 2015 by Jan*

**mathematics**

1.1 the third term of an arithmetic sequence is 8 and the 15 term is 44 . Calculate: 1.1 the common difference and first term. 1.2 the sum of the first 50 terms. 1.2 1;4;7;10.... Is an arithmetic sequence .find: 1.2.1 the 30 term.
*Tuesday, May 19, 2015 by tankiso*

**math**

The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16. Find S20
*Monday, May 18, 2015 by Rose*

**math**

The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16. Find S20
*Sunday, May 17, 2015 by Yiu*

**math**

The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16? Find S20
*Saturday, May 16, 2015 by Yiu*

**math**

The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16? Find S20
*Saturday, May 16, 2015 by rose*

**Math**

The sixth term of an arithmetic sequence is 20.6 and the 9th term is 30.2. Find the 20th term and find the nth term.
*Wednesday, May 13, 2015 by Anonymous*

**precalculus no clue**

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. . t-3,t-2, t-1, t... . 1,-3/2,2,-5/2....
*Saturday, May 9, 2015 by Anonymous*

**precalculus**

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. . t-3,t-2, t-1, t... . 1,-3/2,2,-5/2....
*Saturday, May 9, 2015 by Anonymous*

**college precalculus I still dont get it**

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. 1. t-3,t-2, t-1, t... 2. 3/4,1/2,1/3,2/9... 3. 1,-3/2,2,-5/2....
*Saturday, May 9, 2015 by kendrick*

**maths**

The 5th term of an arithmetic sequence is 11,12th term is 32.What are the first 3 terms?
*Saturday, May 9, 2015 by Anonymous*

**college precalculus**

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. 1. t-3,t-2, t-1, t... 2. 3/4,1/2,1/3,2/9... 3. 1,-3/2,2,-5/2....
*Saturday, May 9, 2015 by Kendrick*

**Algebra**

The following problem refers to an arithmetic sequence. If a_4 = 15 and a_10 = 39, find a_40 and S_40. The _ represents subscript
*Wednesday, May 6, 2015 by Merty*

**Math**

1.) What is the formula for the nth term of the arithmetic sequence that has a common difference of 8 and a first term of 4? 2.) What is the formula for the nth term of the geometric sequence that has a first term of 2 and a ratio of 3?
*Thursday, April 30, 2015 by Jamie*

**Math**

I need help with sequences 2,1,1/2,1/4,... Is this arithmetic, geometric,neither, or both (geometric?) 7,9,11,13 arithmetic, geometric,neither, or both. (arithmetic?) 1,2,4,8... Whats the rule think the rule is: Start with one and multiply by two repeatedly 50,40,30,20 Rule ...
*Friday, April 24, 2015 by Amber*

**math**

The 9th term of an arithmetic sequence is 12 and the 17th term is 28, find the 4th term of the arithmetic sequences
*Friday, April 24, 2015 by Lillian *

**Math**

identify the sequence as arithmetic, geometric, or neither. Explain your answer. 1.6, 0.8, 0.4, 0.2. plz help me I'm really confused.
*Thursday, April 23, 2015 by Abby *

**math**

if 4th term of an arithmetic progression is 3 times the 1st term nd 7th term exceeds twice the third term by 1. find the first term and common difference
*Monday, April 20, 2015 by anandita*

**MATHEMATIC DEPARTMENT**

The second, third and ninth terms of an arithmetic progression forms the first, second and third terms of a geometric progression. Find the common ratio and hence the eleventh term of geometric progression.
*Monday, April 20, 2015 by Mr. Bett*

**Math**

In an arithmetic series, the sum of the 5th to the 8th terms inclusive is 114, whilst the sum of the 12th to 15th terms inclusive is 198. What is the 21st term? I have got 99=2a +3d and 57= 2a+3d Im not sure what to do now
*Saturday, April 18, 2015 by Fasi*

**math**

The 5th term of an Arithmetic Progression is 8 and the 12th term is 50. Determine the sequence
*Saturday, April 18, 2015 by marry*

**Math**

Hi! Can someone help me with this? Thanks a bunch! Find the 10th partial sum of the following arithmetic sequence. 0.50, 0.9, 1.3, 1.7.....
*Friday, April 17, 2015 by Kayla*

**Math**

7. You are having a discussion about sequences with your classmate. She insists that the sequence 2, 3, 5, 8, 12 must be either arithmetic or geometric. Is she correct or incorrect? Explain.
*Friday, April 17, 2015 by Alex*

**Algebra**

5. The local soccer team won the championship a several years ago, and since then, ticket prices have been increasing $20 per year. The year they won the championship, tickets were $50. Write a recursive formula for a sequence that will model ticket prices. Is the sequence ...
*Thursday, April 16, 2015 by Sandra*

**Math**

1.) In the following problem, write the first five of the terms of the arithmetic sequence. a1=16.5 d=0.25 2.) Find a the correct formula for the an for the arithmetic sequence. a1=-1 d=5
*Thursday, April 16, 2015 by Lala*

**Math**

Determine whether this sequence is arithmetic or geometric. Find the next three terms. 4. 3, 12, 21, 30, .... A.40, 50, 60 B.38, 46, 54 C.39, 48, 57 D.36, 32, 39 A? Thank you
*Thursday, April 16, 2015 by Morgan*

**Math**

Determine whether this sequence is arithmetic or geometric. Find the next three terms. 81, 27, 9, 3, . . . A. arithmetic, 0, –3, –6 B. geometric, 0, –3, –6 C. geometric, 1,1/3 , 1/9 D. The sequence is neither geometric nor arithmetic. Is the answer C? Thank...
*Thursday, April 16, 2015 by Morgan*

**Math**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. -4,8,-16,32... A. Arithmetic, 64,128,256 B. Geometric, -64,128,-256 C. Geometric, -48,64,-80 D. The sequence is neither arithmetic nor geometric sequence. B? Thank you
*Thursday, April 16, 2015 by Morgan*