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Arithmetic

Arithmetic
a boy sold $88.50 worth of stationery. If he received a 33 1/3% commission, what was the amount of his commission?

arithmetic
on a certain day, the temperature range from -2f to 10f. what is the difference between the high and low temperatures for that day?

PreCalc
The fifth term of an arithmetic sequence is equal to 6 and the sum of the first 12 terms is equal to 45. Find the first term and the common difference.

Arithmetic
A man paid $42.30 for gasoline in may, $38.60 in June, and $43 in July. What was the average monthly cost for gasoline?

Arithmetic
A man owned 75 shares of stock worth $50 each. The corporation declared a dividend of 8 percent payable in stock. How many shares did he then own? 81 shares but how?

mathe arithmetic progression
If the term 7th of an A.P are 18 and 30 respectively.find the 13th term

Algebra
Find the next three terms of the Arithmetic sequence, 3/4,1/2,1/4,1,..

Algebra
Tell whether the sequence is arithmetic. if it is what is the common difference? A. no B. 1/4 C. 1/8 D. 8 My best answer is A. is that correct

Mathematics
The first term of an Arithmetic Progression is -4 and the 15th term is double the 5th. Find the 12th term of the AP

Algebra II
Find the recursive formula for the following sequence and determine if the sequence is arithmetic or geometric. A) 3,7,11,15.... B) -5,-15,-75....

A.p.
Find the sum of n' arithmetic means between x and 3x.

Arithmetic progression
Which term will be 27 of the sequence 5,7,9,11,....: Sir this question answer 10 how it possible i am confused

Arithmetic progression
Find the sum of the numbers lying between 1 and 100 which are divisible by 2 or 5.

Arithmetic progression
Divinde 24 into four parts which are in A.P. such that the sum of their squares is 164.

Quick math help
Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an. Arithmetic sequence ...

Quick Math Help
Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an. Arithmetic sequence ...

Quick math help
Find the sum of the first 10 positive integers Is it 110? Which term of the arithmetic sequence is 25? -2,1,4,... Is it 70? Which term of the arithmetic sequence is177? 2,9,16,... Is it 1234? Find the sum of the first 8 positive odd integers. Is it 64?

Quick math help
Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an. Arithmetic sequence ...

Arithmetic progerssion
If n th term of a sequence is 2an+b, where a, b are constants, is this sequence an a.p.?

Arithmetic progerssion
Show that(a-b)2,(a2+b2), are in a.p

Science
1.) Why is it important to have a quiet study space? It is easier to concentrate in a quiet space, and concentration is needed to learn. * It is easier to leave all your study material in a quiet study space so you can find it. A quiet study space prevents incorrect ...

Math
Just a quick question: I'm trying to find the least residue of 7^5 mod 50. I've been messing about with Chinese remainder theorem etc... But it seems a bit easy which is throwing me off and making me think I'm solving another question. So instinctively I know that 7^2=49 so 49...

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.

maths
if the C.P. of an umbrella be decreased by Rs.60, there is a profit of 7.5% at present instead of a loss of 5% of the past. What was the C.P. of the umbrella at past.? [Please answer the question using Pure Arithmetic.]

maths need help
angles of a certain polygon are in arithmetic sequence. The smallest interior angle measures 80 degrees and the largest interior angle measures 160 degrees. How many sides does the polygon have? Plz show me work i don't know it at all plz

social studies
1. Which factor best explains why Native Americans were able to make permanent settlements? Native Americans began to cultivate plants for food. Native Americans began to create more complex tools and pottery. Native Americans discovered alternative food sources, such as ...

math
An arithmetic progression as the same first and second terms as the geometric progression. Find the sum of the first 20 terms of the arithmetic progression. How do I do this? I tried to find the common ratio for G.P. and then substitute it to find the 20th term but, still have...

Math
6,16,26,36,46 It is an arithmetic sequence or a geometric sequence or neither ?

Math
Tell whether the sequence 1/3,0,1,-2 is arithmetic, geometric, or neither. Find the next three terms of the sequence.  A.neither;7,-20,61  B.geometric;7,-20,61  C.arithmetic;1/3,1 1/3,3  D.geometric;-3 1/3, 5 5/9,9 7/27

Math
The score for half of the students in a class on a certain test was 90. The score for another fourth of the students was 84. if the average (arithmetic mean) score for all of the students was 82, what was the average score for the remaining students?

Math
If b= 11a, what is the average (arithmetic mean) of b and a in terms of a?

Math
Twenty-five people are asked to donate money to a local charity.Exactly fifteen (15) give at least P100 each. If x is the average (arithmetic mean) amount donate, what is the lowest possible value of x?

Math- Geometric solutions and problems RIA
A. -x^3 and x^11 ; 3 B. 0.6 and -0.002025; 2 C. x^2,x^6,x^10.... (A sub 20) * sorry for the sub :D but I guess that's already clear? Hehe. D. a^2/2 , a^4/4, a^6/8.... (A sub 10) E. X+1, 2x^2 + 2x, 4x^3 + 4x^2 (A sub 6) F. 32y^2, 16y^2, 8y^2 (A sub 8) * sorry for the sub thingy...

Math- arithmetic
A pile of blocks has 60 blocks in the bottom row, 54 blocks in the second row, 48 blocks in the third row, and so on until there are only 6 blocks on the top row. How many blocks are in the 8th row? 10th row?

math
The sum of the 1st nine terms of an arithmetic series is 216. The 1st,3rd and the 7th terms of series form the 1st three terms of a geometric series. Find the 1st term and the constant difference of the arithmetic series ?

math
The second and sixth terms of an arithmetic sequence is 2:5 and their sum is 28. Find the sum of the first 10th term.

Maths
By expanding the inequality(the square root of A-the square root of B)^2>0,show that the arithmetic mean of two unequal numbers is greater than their geometric mean.Check by using the numbers a)10 b)2root2 c)2/3

Maths
the arithmetic mean of two numbers is 15, and their geometric mean is 9. find the numbers

mathematics
the 10th term of an arithmetic sequence is equal to the sum of 40 and 5th term.If the 15th term is 127 what is its common difference?what is its first term?what is the sum of the first 30 terms.

Arithmetic/Geometric Sequence
2/3, 1/3, 2/9, 1/6 Create an explicit formula for this. Is it an arithmetic or geometric sequence?

Maths
The numbers p,10 and q are 3 consecutive terms of an arithmetic progression .the numbers p,6 and q are 3 consecutive terms of a geometric progression .by first forming two equations in p and q show that p^2-20p+36=0 Hence find the values of p and q for which the geometric ...

think mathematically
Make up an arithmetic sequence problem (find the 10th value)

arithmetic sequence
find the 9th term of the arithmetic sequence with Asub1=10 and =1/2

arithmetic sequence
give the sequence of 5 term if the first term is 8 and the last term is 100

algebra
The second term of an arithmetic sequence is 24 and the fifth term is 3.Find the first term and the common difference.

Math
- If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?

Math
If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?

math
I can't solve this one: The second term of an arithmetic sequence is 24 and the fifth term is 3.Find the first term and the common difference. How could I get the answers if there's only two given numbers?

Math
If the 16th term of an arithmetic sequence is three times the fourth term, find the ratio of the 23rd term to the third term.

MATH ARITHMETIC SEQUENCES
IN THE INFINITE ARITHMETIC SEQUENCE 1, 11, 1.2,... WHAT TERM OF THE SEQUENCE IS 3?

math
still need help: Write an arithmetic sequence that has a common difference of 4 and the eighth term is 13. What is the first term? What is the 23rd term in the sequence

Algebra
I am so lost on these problems. Write a geometric sequence that starts with 3 and has a common ratio of 5. What is the 23rd term in the sequence. Write an arithmetic sequence that has a common difference of 4 and the eighth term is 13. What is the first term? What is the 23rd ...

Math10
The 4th term of an arithmetic sequence is 18 and the 6th term is 28. Give the first 3 terms. Use the formula

Math Help Please? (check my work?)
1. Find the next three terms in the sequence. 3, 12, 21, 30, . . . (1 point) 40, 50, 60 *** 38, 46, 54 39, 48, 57 36, 32, 39 2. Identify the sequence as arithmetic, geometric, or neither. 1.6, 0.8, 0.4, 0.2, . . . (1 point) arithmetic geometric *** neither

math
If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?

math
If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?

maths
1 +4 +8 +9 +12 +16+ 20 + 24 +27+ 28....729 +732. STATE THE FIRST THREE TERMS AND THE. LAST TERM OF THE ARITHMETIC SERIES

Math
Consider the following series: 1,2,3,4,5,10,20,40....which starts as an arithmetic series? ...but after the first five terms becomes a geometric series. Prove that any positive integer can be written as a sum of distinct numbers from the series. I know how to do the base case

math
Given that the sum of the first 20 terms of an arithmetic sequence is 1150 and the fifth term is twice the second term . find: 1.The first term and the common difference 2. find the general formula

Algebra
Is this sequence 10, 15, 20, 25, 30 an arithmetic or geometric sequence? Then find the explicit formula and recursive formula for the given sequence.

math
The second term of an arithmetic progression is 8 and the eleventh term is -10 Find the first term, the common differrnce and sum to 15 terms

math
The first and the last terms of an Arithmetic Progression are 6 and 171 in that order. If there are 14 terms, find the 16th term of the Arithmetic Progression.

math
The 3rd term of an Arithmetic Progression is 10 more than the first term while the fifth term is 15 more than the second term. Find the sum of the 8th and 15th terms of the Arithmetic Progression if the 7th term is seven times the first term.

Math
Algebra 2 A sequence is of pyramids is created where the first pyramid has a height of 6 inches and a base area of 10 inches, for a volume of 20 cubic inches. The height of the next pyramid is twice the height of the previous pyramid. The input of the sequence is the position ...

MATH HELP ASAP
identify the sequence as arithmetic, geometric, or neither. please explain answer 1.6,0.8, 0.4, 0.2,...

PLEASE HELP ASAP ALGEBRA
indentify the sequence as arithmetic, geometric, or neither. 3,4.5,6,7.5,... a. arithmetic b. geometric c. neither please help i don't know the answer

MATH HELP ASAP
identify the sequence as arithmetic, geometric, or neither 3, 4.5,6,7.5,...

Please help
what is the sum of arithmetic series 2+5+8+...+260?

Algebra
1. Find the general rule for each arithmetic or geometric sequence. 2. Calculate the 10th term for each sequence. a) a=a sub n-1*n a sub one=9 b) a sub n=a sub n-1 + 8 a sub 1=-17 c) a sub n=a sub n-1 + 2 a sub 1=9 d) a=n*a sub n-1 a sub one=1 I don't understand how to ...

Algebra
Arithmetic Sequence : Determine whether f(n) is an arithmetic sequence, circle yes or no . Identify the common difference . __________________ 1. N 1 2 3 4 5 F(n). 2 4 6 8 10 ___________________

Math.
The 4th term of the arithmetic progression is15 and the9th term is 35 find the 15th term.

algebra
if 1, 2, 7 and 20, respectively, are added to the first terms of an arithmetic progression, a geometric progression of four terms is obtained. find the first term and common difference of the arithmetic progression the answers are both 3 .. but i don't know the solution, ...

Arithmetic sequence
Three consecutive terms of an arithmetic sequence have a sum of 12 and a product of -80 .Find the terms. [hint : let the terms be x - d, x and x + d . ]

maths
The first four terms of an arithmetic sequence are 2, x-y, 2x+y+7 and x-3y where x and y are constants. Find the x and y and hence find the sum of the first 30 terms.

maths
how many terms in the arithmetic series are needed to make a total of 204? 2 + 3.25 + 4.5 + .....

maths
An arithmetic series has first term 5 and a common difference 7 a) write down the 4th term and the 23rd term b) find the sum of the first 38 terms of this series.

Ic
Write an application that prompts the user for two integers and then prompts the user 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, and 4 to divide the first integer by the second. Display...

sequence
Select the first five terms in the arithmetic sequence an = 4n, starting with n =

sequences and Series
If 5 times the 5th term is equal to the 6 times the 6th term of an arithmetic sequence then its 11th term is.......

math
the 9th term of an arithmetic sequence is 29. the 16th term is 50. what is the 20th term ?

algebra
three numbers are in harmonic progression. If the third number were decreased by 4 they would be in arithmetic progression. If the third number were decreased by 3 they would be in geometric progression. Find the third term of the harmonic progression.

mats
If 5 times 5th term is equal to the 6times the 6th term of an arithmetic sequence,then its 11th is?.

math {sequences}please help
Sequences 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 2. -4, 8, -16, 32, . . . . a. Arithmetic , 64, 128, 256 b. Geometric, -64 , 128, -256 ** c. Geometric, -48, 64, -80 d. Neither 3. 81, 27, 9, 3...

General arithmetic and reasoning
The ratio of the length to a width of a sheet is 3:2. If length is 24 meters, find out the width?

Math
The measures of the sides of a right triangle form an arithmetic sequence of common difference 2. What are these measures?

mathematics
if7 times the 7th terms ofan arithmetic progression is equal to 11 time is 11th terms, show that its 18th term is 0 can you find the 1st terms andthe common difference -justify your answer

maths
A) In an arithmetic progression the sum of the first ten terms is 50 and the fifth term is three times the second term (1) Calculate the first term (2)Calculate the sum of the 20 terms

math
identify the sequence 3888 , 216 , 12 , 2/3 , as arithmetic geometric neither of both

Physics
A man drags a 68.0-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 23.5° above the horizontal, and the strap is inclined 55.0° above the horizontal. The center of gravity of the crate coincides ...

math
1. Write a rule for the sequence. 5, –4, –13, –22,… (1 point) Start with –9 and add 5 repeatedly. Start with 5 and add 9 repeatedly. Start with 5 and subtract –9 repeatedly.*** Start with 5 and add –9 repeatedly. 2. Find the next three terms of the sequence. –2...

Algebra 2
The deposits Ginny makes at her bank each month form an arithmetic sequence. The deposit for month 3 is $150, and the deposit for month 5 is $180. Answer these questions 1.what is common differences for each month? $15 2.write explicit formula for arithmetic sequence 3.amount ...

Algebra 2
Will someone please check if I am right???? find the second and third term of the arithmetic sequence -7, __,__,-22,-27... Options: -12,-15*** My Answer -17,-12 -10,-17 -12,-17

arithmetic progression
four positive integers form an arithmetic progression . if the product of the first and the last terms is 70 and the second and third terms are 88, find the first term

Arithmetic progression
In an AP , Sn = 2n , S2n = n Find S4n

Math
So, this "kiddo" needs some help plz! You are having a discussion about sequences with your classmate. She insists that the sequence is 2, 3, 5, 8, and 12 must be either arithmetic or geometric. Is she correct. Explain. HELP I DO NOT UNDERSTAND THIS!!!!! D;

Math
What is the difference between geometric patterns (with numbers) and arithmetic patterns?

Math help asap!!! or someone help please
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 ...

Math
What type of sequence is this? 2 , 3, 5, 8, 12 Arithmetic, geometric or neither

really no one is gonna help me in math
7,9,11,13...... A) arithmetic B) geometric C)both D)neither 2. 2,1,1/2,1/4........ A. arithmetic B. geometric C. both D. neither dude im helping and no one helps me 1-a 2-b

MATH
7,9,11,13...... A) arithmetic B) geometric C)both D)neither 2. 2,1,1/2,1/4........ A. arithmetic B. geometric C. both D. neither

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Homework Help: Math

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