Wednesday
December 7, 2016

# Homework Help: Math: Arithmetic

## Recent Homework Questions About Arithmetic

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 by INeedHelp

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 by Anonymous

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 by Rachel

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 by Lilly

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 by Nicole

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 by mapule

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 by jessica

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 don't know how plus i know the equation ...
Friday, February 13, 2015 by jessica

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 by Joweria

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 by vanisri

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 by kudu

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 by CLARENCE KHUMALO

Math
Monday, February 2, 2015 by BUBBLES

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 by kudu

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 by matso

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 by Brainblocked

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 by Thandi Mstletoe

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 by Makayla<3

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 by Thando Mtembu

math
What is the value of the 30th term in the following arithmetic sequence? 12, 6, 0, -6, ...
Friday, January 23, 2015 by Jobe

Math
In an arithmetic sequence the seventh term exceeds the fourth term by 15 determine the common difference
Thursday, January 22, 2015 by Restoration

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 by majorbill

arithmetic
0.2[5.28-(0.7)=
Monday, January 19, 2015 by Anonymous

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 by josh

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 by hinata

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 by Mirriam

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 by LERATO

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 by Rabelani

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 by Michael

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 by Bella

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 by Viktoria

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 by Viktoria

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

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 by Abdul

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 by Abdul

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 by Samantha Cooper

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 by jaylan talib

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 by Janic

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 by Jane

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 by JANE

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 by factions

Math
Is the sequence arithmetic? 15, 14.5, 14, 13.5, 13,....If so, give the common difference.
Friday, December 19, 2014 by Anonymous

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 by Matt

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 by Matt

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 by Matt

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 by Jake

Algebra
Let a1,a2,a3..... be an increasing arithmetic sequence of integers. If a4a5=13 what is a3a6?
Saturday, December 13, 2014 by Jake

Algebra
Solve for x>0 in the following arithmetic sequence 1^2,x^2,3^2.....
Saturday, December 13, 2014 by Jake

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 by Jake

Algebra
The second and ninth terms of an arithmetic sequence are 2 and 30 respectively. What is the fiftieth term.
Saturday, December 13, 2014 by Matt

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 by Tyler

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 by Leon

Mathematics
Insert three arithmetic mean and solve the nth term of 1 and 2
Thursday, December 11, 2014 by Anonymous

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 by kakak

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 by lpcruz

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 by Jelon

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 by Karly Ward

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 by angela

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 by Ashley

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 by Bridget

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 by srivani

arithmetic
How do I solve 15x=75?
Sunday, November 16, 2014 by Rose

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 by Rose

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 by Josiah

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 by livvy

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 by Anonymous

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 by AJ

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 by Anonymous

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 by NEED HELP!!!!

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 by Trish Goal

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 by bo

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 by jax

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 by NEED HELP!!!!

Algebra
What function represents the arithmetic sequence 3,7,11,15?
Thursday, October 23, 2014 by Steve

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 by Steve

arithmetic
The minute hand on a clock is 49mm long. What area does it pass over in 30 minutes.
Thursday, October 23, 2014 by Vanetta

arithmetic
The minute hand on a clock is 19mm long.What area does it pass over in 30 seconds.
Wednesday, October 22, 2014 by vanetta

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 by Praveen

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 by mafo

arithmetic
what is the perimeter of a lions cage which is 12mlong and 5.5 wide
Thursday, October 16, 2014 by Anonymous

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 by questionalbe

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 by mounika

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 by Dana

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 by lee

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 by Anonymous

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 by Morgan

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 by Anonymous

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 by Anonymous

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 by ME-ANN

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 by gisela

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 by manasa

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 by Erin

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 by Erin

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 by Alex

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 by Alex

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 by Alex

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 by Alex

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 by Alex

Math
An explicit formula for the general term for the arithmetic sequence 7/4,1, 1/4, -1/2?
Wednesday, September 17, 2014 by Alex

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 by Alex