Friday
May 29, 2015

Homework Help: Math: Arithmetic

Recent Homework Questions About Arithmetic

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 at 1:14pm

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 at 8:08pm

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 at 10:49am

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 at 5:38pm

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 at 3:02pm

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 at 4:25am

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 at 8:52pm

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 at 8:28pm

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 at 1:01pm

maths
The 5th term of an arithmetic sequence is 11,12th term is 32.What are the first 3 terms?
Saturday, May 9, 2015 at 4:01am

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 at 12:04am

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 at 6:49pm

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 at 7:51am

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 at 5:19pm

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 at 8:23am

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 at 4:07pm

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 at 1:07pm

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 at 7:37am

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 at 2:04pm

math
The 5th term of an Arithmetic Progression is 8 and the 12th term is 50. Determine the sequence
Saturday, April 18, 2015 at 5:35am

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 at 6:20pm

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 at 7:35am

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 at 11:31pm

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 at 10:27pm

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 at 9:09pm

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 at 8:58pm

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 at 8:23pm

Math
Determine whether each sequence is arithmetic of geometric. Find the next three terms. 14,19,24,29.... A. Geometric,34,39,44 B. Arithmetic,32,36,41 C. Arithmetic, 34,39,44 D. This sequence is neither arithmetic or geometric. Is the answer C? Thank you
Thursday, April 16, 2015 at 7:45pm

MATH
whats the answer to this? write an equation fr an arithmetic sequence with a 1st term of 8 and 4th term of -7. im stuck.
Tuesday, April 14, 2015 at 7:43pm

math
find the first 3 term s of an arithmetic sequence in which the 21 term is -54 and the fifteenth term is -170
Tuesday, April 14, 2015 at 5:25pm

Pre-calculus
The sum of the first two terms of an arithmetic series is 13 and the sum of the four terms is 46. Determine the first six terms of the series and the sum of the first six terms.
Sunday, April 12, 2015 at 2:44pm

Algebra
find the value of p so that p+5, 4p+3, and 8p-2 will from successive terms of an arithmetic sequence, then find the three successive terms.
Thursday, April 9, 2015 at 10:37pm

math
The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of geometric sequence with a common ratio of 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.
Thursday, April 9, 2015 at 4:20pm

Math
4. Which explains why the sequence 81, 3, 1/9,... is arithmetic or geometric? A)The sequence is arithmetic because it decreases by a factor of 1/27 B)The sequence is geometric because it decreases by a factor of 1/27 C)The sequence is arithmetic because it decreases by a ...
Tuesday, March 31, 2015 at 4:21pm

Math Help!!!
identify the sequence as arithmetic, geometric, or neither. explain your answer. 1.6 , 0.8 , 0.4 , 0.2 ....
Friday, March 27, 2015 at 12:51pm

math
Find the 6th term of the arithmetic sequence given an = (1/5)an-1, given a1 = 20
Wednesday, March 25, 2015 at 11:06am

Math Help!!!
determine whether each sequence is arithmetic or geometric. find the next three terms. 1. 14,19,24,29.... geometric, 34,39,44 arithmetic,32,36,41 arithmetic 34,39,44**** the sequence is nether geometric nor arithmetic 2. -4,8,-16,32.... arithmetic. 64,128,256 geometric -64,128...
Tuesday, March 24, 2015 at 2:15pm

Math
Which explains why the sequence 64, 4, 1/4,... is arithmetic or geometric? A. The sequence is geometric because it decreases by a factor of 1/16. B. The sequence is arithmetic because it decreases by a factor of 1/16. C. The sequence is geometric because it decreases by a ...
Tuesday, March 24, 2015 at 1:46pm

arithmetic
second term is 8 and fourth term is 14.find the first term and the common difference.
Monday, March 23, 2015 at 7:11am

Math
1. A door has a lock with a 5-digit keypad. To unlock the door, a person must enter a passcode consisting of three different digits, with each digit entered in the correct order. What is the probability that a randomly chosen passcode consisting of three different digits ...
Sunday, March 22, 2015 at 5:05pm

Advanced Algebra
The arithmetic progression has first term 4 and last term 34. If the sum of its terms is 247, find the number of terms and their common difference.
Friday, March 20, 2015 at 12:27pm

Arithmetic Reasoning
A team won 8 of the 24 games it played in one season. What percent of games did it win?
Friday, March 20, 2015 at 2:05am

mathematic
determine the arithmetic sequence that has the seventh term equal to 3 and the twelfth term equal to -3
Thursday, March 19, 2015 at 11:16am

math
32, k 3 , are three consecutive arithmetic terms find k
Thursday, March 19, 2015 at 3:27am

Math
Is 2, 3, 5, 8, 12 arithmetic, geometric, neither, or both?
Wednesday, March 18, 2015 at 6:08pm

7th grade math
For questions 1, 2 identify each sentence as arithmetic, geometric both or neither. 1) 7, 9, 11, 13 ...... A) arithmetic B) geometric C) both D) neither (my answer) 2) 2, 1, 1/2, 1/4, .... A) arithmetic B) geometric C) both (my answer) D) neither
Wednesday, March 18, 2015 at 3:26pm

Math
Find the 10th term of a nonconstant arithmetic sequence whose 1st term is 3 with the 1st, 4th, and 13th term forming a geometric sequence. I've tried doing it differently everytime, but I always come to a dead end..
Saturday, March 14, 2015 at 10:17am

Math
1. The sequence log2 32, log2 y, log2 128, ... forms an arithmetic sequence. What is the value of y? 2. If log a^2 b^3 = x and log (a/b) = y, what are the values of log a and log b?
Friday, March 13, 2015 at 5:42pm

Math
1. Find all values of p so that 6p, 4p-1, p^2 - 1 will be an arithmetic sequence. 2. The common ration of a geometric sequence is -3. IF the terms of this sequence are 3y, y+6, z+1, ..... respectively, what is the value of z?
Friday, March 13, 2015 at 9:09am

Algebra
In an arithmetic sequence where a6=13 and a10=25, what is the explicit formula for the general term an?
Thursday, March 12, 2015 at 11:46pm

Arithmetic Progressions
The second term of an arithmetic progression I four times the fits term, and the first term is ten. Find the common difference and hence find the sum of the first 12 terms.
Tuesday, March 10, 2015 at 10:48am

Algebra
What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? 15,30,45,60 15,16.5,18,19.5 15,22.5,33.75,50.625 none of the above What are the first four terms of a geometric sequence if the common ratio is 10 and the first ...
Monday, March 9, 2015 at 3:00pm

addmath A.P.
An arithmetic progression has 8terms.The sum of all 8terms is 180 and the sum of all odd terms is 80. Calculate (a)the first term and common difference (b)the last term
Sunday, March 8, 2015 at 9:56am

Math ASAP
2, 1,1/2 , 1/4 , . .. arithmetic geometric both neither I don't know how to solve it?
Saturday, March 7, 2015 at 7:58pm

math
The third,sixth and seventh terms of a geometric progression(whose common ratio is neither 0 nor 1) are in arithmetic progression. Prove dat d sum of d first three is equal to d fourth term
Friday, March 6, 2015 at 2:06pm

math
the first term of the arithmetic sequence is -37 and the second term is-30 what is the smallest positive term of the sequence?
Wednesday, March 4, 2015 at 10:30am

math
the first term of the arithmetic sequence is -37 and the second term is-39 what is the smallest positive term of the sequence?
Wednesday, March 4, 2015 at 10:28am

arithmetic
a reguler hexagon is to be cut from a sheet of diameter D.what are width across corners?
Thursday, February 26, 2015 at 1:50am

Arithmetic
2 numbers, when multiplied by achother, equals(-70) but when added to gether it equates to 3. What are these two numbers?
Tuesday, February 24, 2015 at 10:38pm

Math
The 5th term of an arithmetic sequence is 22 and the 15th term is 62. Find the 100th term and the sum of the first 60 terms.
Monday, February 23, 2015 at 5:14pm

Algebra
The fifth term of an arithmetic sequence is 22 and the 15th term is 62. Find the 100th term and the sum of the first 60 terms
Sunday, February 22, 2015 at 4:32pm

Math
The fifth term of an arithmetic sequence is 22 and the 15th term is 62. Find the 100th term and the sum of the first 60 terms. I'm having trouble figuring out how to do this.
Saturday, February 21, 2015 at 6:51pm

Algebra 2
A large asteroid crashed into a moon of a planet, causing several boulders from the moon to be propelled into space toward the planet. Astronomers were able to measure the speed of one of the projectiles. the distance (in feet) that the projectile traveled each second, ...
Wednesday, February 18, 2015 at 12:15pm

mathematics
The sum of the first n term of ab arithmetic series is given by Sn=5/2n^2+7/2n Determine the first term and the common different and the tenth term
Sunday, February 15, 2015 at 5:11am

pre cal 11
i am stuck at a question that is asking for the common difference, first term, and general term for the arithmetic sequence the question is t10=50 and t27=152 i found my d=6 and t1=(-4) so know my equation is: tn=(-4)+(n-1)6 i had asken my teacher to tell me what the general ...
Friday, February 13, 2015 at 5:47pm

pre cal 11
hi so i am stuck at this question that is asking about arithmetic sequence . Five fence posts are equally spaced between two corner posts that are 42 meter apart. how far apart are the five fence posts. i know the answer is 7m but i dont know how plus i know the equation for ...
Friday, February 13, 2015 at 5:33pm

Math 20-1
Determine whether each sequence is geometric, arithmetic, or neither. Justify your answer. (1/5), (1/4), (1/3), (1/2), 1...
Friday, February 13, 2015 at 1:40pm

arithmetic progressions
how to know whether i should use formulaes in this question or that question becoz i colllapsed and put the formulae to another question
Monday, February 9, 2015 at 12:53am

math
The third and fifth term of an arithmetic progression are 10 and-10 respectively. a)Determine the first and the common difference t3 = a + 2d = 10 t5 = a + 4d = -10 -a -2d = -10 a + 4d = -10 2d = -20 d = -10 a + 2(-10) = 10 a -20 = 10 a = 30; d = -2 b)The sum of the first 15 ...
Sunday, February 8, 2015 at 10:41pm

MATH
THE FIRST AND LAST TERMS OF AN ARITHMETIC SERIES IS 5 AND 61 RESPECTIVELY WHILE THE SUM OF ALL THE TERMS IS 957. DETERMINE THE NUMBER OF TERMS IN THE SERIES.
Tuesday, February 3, 2015 at 9:07pm

Math
Identify the sequence as arithmetic, geometric, or neither. Explain the answer. 1.6, 0.8, 0.4, 0.2,...... I m not sure please help
Monday, February 2, 2015 at 12:28pm

math
The first, the third and the seventh terms of an increasing arithmetic progression are three consecutive terms of a geometric progression. In the first term of the arithmetic progression is 10 find the common difference of the arithmetic progression
Monday, February 2, 2015 at 1:48am

math
The sum of the first 10 term of an arithmetic sequence is 145 and the sum of the fourth and ninth term is five times the third term. Determine the first term and constant difference.
Sunday, February 1, 2015 at 5:03am

math
in an arithmetic sequence the common difference is equal to 2.the first term is also the first term of a geometric sequence. the sum of the first 3 terms of an arithmetic sequence and the sum of the first 9 terms of an arithmetic sequence form the 2nd and 3rd terms of a ...
Friday, January 30, 2015 at 12:13pm

arithmetic
Determining the first three terms of an ArithmetiC progressionof which the (a.)10th term is 31 and the 15th term is 49 (b.)7th term is 3 and 12th term is -3 (c.)5th term is 8 and the 11th term is -28 (d.)9th term is7+9x and d=2x,Show all calculations
Tuesday, January 27, 2015 at 1:00pm

MATH!!
~Determine whether each sequence is arithmetic or geometric fund the next three terms~ *Doing a math unit test and stuck on these five* 1.14,19,24,29.... 2.-2,8,-16,32... 3.81,27,9,3... 4.What are the first four terms of an arithmetric sequence if the common diffrence is 1.5 ...
Tuesday, January 27, 2015 at 11:36am

maths
X,4x+5 and 10x-5 are the first three terms of an arithmetic sequence. Determine the value of X.
Sunday, January 25, 2015 at 7:57am

math
What is the value of the 30th term in the following arithmetic sequence? 12, 6, 0, -6, ...
Friday, January 23, 2015 at 3:41pm

Math
In an arithmetic sequence the seventh term exceeds the fourth term by 15 determine the common difference
Thursday, January 22, 2015 at 8:06am

Trig/Precalc
Two questions that I would really appreciate some hints on: 1) Circles with centers (2,1) and (8,9) have radii 1 and 9, respectively. The equation for a common external tangent can be written in the form y=mx+b with 0<m. What is b? 2) In triangle ABC, AB=BC, and BD is an ...
Tuesday, January 20, 2015 at 9:32pm

arithmetic
0.2[5.28-(0.7)=
Monday, January 19, 2015 at 2:08pm

math
The sum of first 12 terms of an arithmetic series is 186, and the 20th term is 83. What is the sum of first 40 terms?
Sunday, January 18, 2015 at 10:33pm

Arithmetic
The Gardiner dam located 100 km south of Saskatoon is largest earth filled dam in the world. Upon it's opening in 1967, engineers discovered that the pressure from lake deifenbaker had moved the clay based structure 200 cm downstream. Since then, then the dam has been ...
Sunday, January 18, 2015 at 9:50pm

Mathematics arithmetic sequence
The sum of second and sixth terms of an arithmetic sequence is 4. The third term is 24 more than eleventh term. So determine the first three terms of the sequence.
Sunday, January 18, 2015 at 5:19pm

MATHEMATICS
THE FIFTH TERM OF AN ARITHMETIC SEQUENCE IS 23 AND THE 12TH TERM IS 72.AND THEY SAY DETERMINE THE FIRST THREE TERMS OF THE SEQUENCE AND NTH TERM
Sunday, January 18, 2015 at 1:38pm

Mathematics
Deternine the formula of the nth term of the sequence if the sum of the second and sixth terms of an arithmetic sequence is 4.the third term is 24 more than the leventh tern
Friday, January 16, 2015 at 2:57pm

Maths
The first, third and ninth terms of an arithmetic sequence form the terms of a geometric sequence. Find the common ratio of the geometric sequences. a, a+2d, a+8d a+2d/a = a+8d/a+2d ?
Friday, January 16, 2015 at 5:04am

mathematics
if the sum of the 6th and 7th terms of an arithmetic progression is 60 and the 3rd term is -5 find the common difference
Sunday, January 11, 2015 at 2:20pm

math
I would need help with example: The three numbers are consecutive terms of arithmetic progression and the sum of their second powers is 126. The first number 3 times smaller, the second number with no change and the third number 4 times greater, are the 3 consequtive terms of ...
Sunday, January 11, 2015 at 6:21am

math
I would need help with example: The sum of three consecutive terms of geometric progression is 9. The first number with no change, the second number plus 12 and the third number minus 3, are the 3 consequtive terms of arithmetic progression. What are the values of original 3 ...
Saturday, January 10, 2015 at 2:38pm

math
Find first term and common difference of arithmetic sequence whose 13th them is 159 and 20th is 264.
Friday, January 9, 2015 at 9:35pm

math
An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.
Thursday, January 8, 2015 at 5:01am

Maths
An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.
Wednesday, January 7, 2015 at 6:01am

Math
what is the 15th term of an arithmetic sequence in which the third term is 1985 and the eighth term in 2015?
Tuesday, January 6, 2015 at 6:52pm

math
the ninth term of an arithmetic progression is 52ind the and the sum of the first twelve terms is 414.find the first term and the common difference.
Sunday, January 4, 2015 at 10:44am

Maths
If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the constant different?
Sunday, January 4, 2015 at 12:40am

Maths
If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the constant difference?
Sunday, January 4, 2015 at 12:25am

ALGEBRA
if the 6th term of an arithmetic sequence is 48, and the sum of the first 6 term is 300, what is the first term and the constant difference? Pls help as I have never learn this before,need some example to start with.thank you
Saturday, January 3, 2015 at 11:16am

Helppp
IF A is the median of {1,2,3...,10}, and B is the median of 1,2,3,4,...11, what is the average (arithmetic mean) of A and B? Express your answer as a decimal? "{}" is no different from B
Friday, December 19, 2014 at 6:52pm

Math
Is the sequence arithmetic? 15, 14.5, 14, 13.5, 13,....If so, give the common difference.
Friday, December 19, 2014 at 4:27pm

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Homework Help: Math

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