Arithmetic

arithmetic progression
An arithmetic progression has 3 as its first term. Also, the sum of the first 8 terms is twice the sum of the first 5 terms. Find the common difference.

math
find the general term of the arithmetic sequence 3,-1 ,-5 ,-9

Algebra I
What is the 2011th term of the arithmetic sequence −4, −1, 2, 5, . . . , where each term after the first is 3 more than the preceding term?( remember -4 is the first term of the sequence.) (I posted this before but it was the wrong answer)

Algebra I
What is the 2011th term of the arithmetic sequence −4, −1, 2, 5, . . . , where each term after the first is 3 more than the preceding term?( remember -4 is the first term of the sequence.)

Alg 1
The mean score on Mr. Pascal’s first semester exam for his 28 students is 73 points. If he removes the lowest score of 19 points, what is the adjusted class average ? (arithmetic mean)

Math
which of the following sequences is an arithmetic sequence? 5, 20, 80, 320,... 6, 9, 5, 8, 4, 7,... 100, 10, 0.1, 0.01,... -1, 2, 5, 8,...

Math
Detemine the sequence as arithmetic, geometric, both or neither. 16,8,4,2,...

Arithmetic
A geometric series has a positive common ratio of r. The series has a sum to infinity of 9 and the sum of the first two terms is 5. Find the first four terms of the series.

Arithmetic
The sum of three consecutive terms of a geometric progression is 42, and their product is 512. Find the three terms.

Math
An arithmetic series has first term -50 and common difference 4. How many terms are in the series so that the sum of the series first exceeds 100?

Math
In an arithmetic progression, the 5th term is six times the 1st term and the sum of the first six terms is 99. Find the 1st term and the common difference. Attempt at solution: U5 = 6(U1) 99 = 3(2[U1] + 2d)

Math
In order to cover upfront expenses, Pinecrest Enterprises must be able to come up with $50 million of its own capital reserves. Presently, Pinecrest has $37 million in capital reserves available, and can add $1.5 million per month . After how many months will Pinecrest ...

mental arithmetic
if p=3 and q=8 find the value of 3p+2-q how do I find out the value of 3p? can you please explain?

Algebra
How do you tell if a sequence is arithmetic?? Then I will answer my questions below: 1. Tell whether the sequence is arithmetic. If it is, Identify the common difference. -7, -3, 1, 5 A. Not arithmetic B. Arithmetic, common difference is 4 C. Arithmetic, common difference is 8...

math
determine whether the sequence is arithmetic,geometric,both,or neither. 16,8,4,2,... a.arithmetic b.geometric c.neither d.both

arithmetic
how many cups of sorbet are used in 8 cups of punch? Ginger Ale- 40% Orange Juice- 25% Pineapple Juice- 20% Sorbet- 15%

maths
collect marks of 10 of your classmates in different subjects in the recent examinations.estimate the arithmetic mean of marks in each subject and verify them by actual calculations.how many of your estimations represent exact mean

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. having trouble with this, can't figure out the steps?

Induction
Given the series 1,2,3,4,5,10,20,40,80,..... which starts as an arithmetic series for the first five terms and then follows geometric series. It can be proved by strong induction that any positive integer can be written as a sum of distinct numbers of this series. Has to be ...

Computer Architecture
Your project is to write a partial disassembler for MIPS instructions in Java. That is, your input will be the 32-bit machine instructions that a compiler or assembler produces. Your program then figures out what the original source instructions were that created those 32-bit ...

PHILOSOPHY
1. Some regular churchgoers believe that taxpayers' dollars should not be used to fund laboratories that carry out tests on animals for medical research. Hence, it is wrong to go on spending taxpayers' dollars for that purpose. Answer: False Cause 2. Yogi Berra, an Italian ...

Math
The arithmetic mean of a set of 50 numbers is 38.If the two numbers,45 and 55,are discarded,the mean of the remaining set of numbers is__.

algebra
the second and fifth terms of an arithmetic sequence are 5 and 38 respectively. Find the explicit formula for the sequence

Math
How do we find the sum of n terms of the series, 1+(4/7)+(7/49)+(10/343)+..... I know that it can be written as a combination of an arithmetic and geometric progression. 1=(4+3r)/(7^m) ; (r=-1 , m=0) 4/7=(4+3r)/(7^m) ;(r=0,m=1) But how do we find the sum of n terms?

Math
0 Tutors Online Right Now Math 20-1 Help What is this? What is tutors online right now mean? I need help What are points? See all FAQ Aron is training for a 10 km marathon swim in 19 weeks. Each week, his training plan includes a long distance swim. In week six, Aron swam a ...

Math
In 7 days, Mario cooked 98 pounds of spaghetti. Each day after the rst, he cooked 2 more pounds than he cooked than the day before. What is the difference between the average (arithmetic mean) number of pounds of spaghetti he cooked per day and the median number of pounds he ...

math
How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number -17 appears?

maths
An arithmetic progression has 10 terms. Sum of the 10 terms is 220. Sum of the odd terms is 100. Find the first term and common difference. pl give me the answer. maths - Steve Monday, July 17, 2017 at 12:11pm 10/2 (2a+9d) = 220 5/2 (2a+4*2d) = 100 maths - kumar yesterday at ...

maths
An arithmetic progression has 10 terms. Sum of the 10 terms is 220. Sum of the odd terms is 100. Find the first term and common difference. pl give me the answer.

Math
Find the arithmetic sequence whose 1st term is 1 and the 1st, 2nd and 6th terms form a geometric sequence

Maths
Three numbers are in the ratio 2:3:5. The first number, second number reduced by 5 and the third number form an arithmetic sequence. Then the three numbers are

Math
The third term of an arithmetic sequence is -12 and the seventh term is 8.what is the sum of the first 10 terms?

Math
How do we find the sum of n terms of the following? Tr= 5^r/[(r+1)(r+2)] I can see there's an arithmetic progression and a geometric progression? How do we combine them both to find n terms.

math
If the second term of an arithmetic sequence is -2 and the fourth term is 6, find the seventh term

Math
Four number have an arithmetic mean of 6 if fifth number is added to set the mean rises to 8 what is number added?

Maths
b.Find the seventeenth term of an Arithmetic Progression, whose 9th and 15th term are 19 and 37 respectively.

Math
Arithmetic sequences Find a8 and an for the sequence: -3, -7,-11

Algebra 2
Find the sum of the following arithmetic series. 13+11+9+...+(-25) Someone help please. Thanks

Arithmetic
32 is 40% of what number? I am brushing up on math that I haven't done in years. Could someone please explain this step-by-step to remind me how to do this kind of problem properly? Thank you!

Math
Write a rule for the nth term of the arithmetic sequence. -12, -5, 2, 9

Math
Arithmetic sequence: For a8 and an for the sequence: -3,-7,-11 My answer a8=33

Math
In a particular arithmetic progression, the sum of the first 10 terms is equal to the sum of the first twenty terms. Show that the sum of the first 30 terms is equal to 0.

Maths
The second term of arithmetic progression is 15 and the fifth term is 21 find the common difference with solutions

Algebra 2 check my last answer?!
A supermarket finds that the number of boxes of a new cereal sold increases each week. In the first week, only 16 boxes of the cereal were sold. In the next week, 33 boxes of the cereal were sold and in the third week 50 boxes of the cereal were sold. The number of boxes of ...

math!!
Three numbers are in an arithmetic progression; three other numbers are in a ge- ometric progression. Adding the corresponding terms of these two progressions yields 32, 26, and 32. The sum of the three terms of the arithmetic progression is 51. Find the terms of both ...

GGHSS COTTON HILL Maths
consider the arithmetic sequence 53,47,41 than what is the common difference and the algebraic expession of the given sequence

math
if the sixth term of an arithmetic progression is 37 and sum of the first six term is 147

arithmatic series
Could someone show me the difference between arithmetic sequence and series

math
What are the first three terms of an arithmetic series in which a1 =9,an=105, and Sn=741?

math
Find the four terms between 15 and 87 in the arithmetic sequence

math
Write an equation for the nth term of the arithmetic sequence -13,-8,-3,2........

Advanced maths
What are the first three terms of an arithmetic series in which a1=9,an=105,and Sn=741?

Advance maths
Find the four terms between 15 and 87 in the arithmetic sequence.

Computer program and design
Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation. Design a sub-class of ...

Math
Write three arithmetic sequences with 30 as the sum of the first five terms

algebra
The sum of the three numbers in Arithmetic Progression is 33. If the numbers are increased by 2, 1, and 6 respectively the new numbers will be in Geometric progression. Find these numbers.

programming
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 ...

programming
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 ...

programming
Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation

Program Design and Development
Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation. Design a sub-class of ...

Trigonometry
The first three terms of an arithmetic progression are 1/2, x, 25. The first three terms of a geometric progression are x+1/4, 32 1/2, and y, where x and y are positive numbers. Find the value of X and the value of Y.

Business statistics
If the arithmetic mean of two numbers is 15 and their geometric mean is 9 find the two numbers

math
two arithmetic progression are such that the common difference of both is 8.if the difference b/w their 50th terms is 50.what will be the difference b/w their 80th terms?

Math
1.Suppose that the function f(x) = 5x + 3 represents the number of cars that drive by in x minutes. How many cars will drive by in 10 minutes? a. 80 b. 53 c. 50 d. 35 2. Buses on your route runs every 8 minutes from 7:00am to 11:00am. You arrive at the bus stop at 8:19am. How ...

arithmetic
S8:S4=97:81 find the common ratio

maths
if the arithmetic mean of four numbers is 20 and the arithmetic mean of other six numbers is 10 then,find the arithmetic mean of all the numbers taken as one group

consumer math
Adam has created a register for the bank account he opened on April 16th. Unfortunately, Adam has made a mistake and cannot figure out where he went wrong. Use the transaction descriptions below to determine where his error is. The account was opened on April 16 with a tax ...

math - consumer arithmetic
Joe and Wendy bought a house costing $210000. They paid a 35% deposit and borrowed the remainder at a flat interest rate of 7.75% p.a. payable over 25 years. What is the amount of their total monthly instalment?

math
calculate the first ten term of an Arithmetic progression whose 5th term is 24 and the difference the 7th and 10th term is 15

Series
One sequence of alternating terms of the series 1+2+3+4+5+8+... forms an arithmetic progression, while the other sequence of alternating terms forms a geometric progression. Sum the first 10 terms of each progression and hence find the sum of the first 20 terms of the series.

Series
Given that 1/(y-x), 1/2y, and 1/y-z are consecutive terms of an arithmetic progression, prove that x,y, and z are consecutive terms of a geometric progression.

Math, Series
Given that 1/(y-x), 1/2y, and 1/y-z are consecutive terms of an arithmetic progression, prove that x,y, and z are consecutive terms of a geometric progression.

math 1
c) 36,31,25,21,... t7 and t20 arithmetic and geo metric

Mathematics
The eighth term of an arithmetic series is twice the third term. The sum of the first eight terms are 39.Calculate the first term. Please help i've been stuck for hours on this question

Maths
The eighth term of an arithmetic series is twice the third term. The sum of the first eight terms are 39.Calculate the first term. Please help

geometry
Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A(n)=-2+(n-1)(-2.2)

Math
4. Identify the sequence 1,024, 64, 4, 1/4,... as arithmetic, geometric, neither, or both,

math
Find the arithmetic sequence whose fifth term = 21, and the tenth term = 3 times the second term

math
I was just wondering, what is the difference between an arithmetic sequence and a geometric sequence?

Math,science
The 5th term of an arithmetic progression is 23 and the 12th term is 37.find the third term and common different

Math
An arithmetic sequence has a first term of 0 and a 10th term of 15. If 10 is an output of the sequence, which term number is it? Show and explain how you know you have the correct answer.

Math - Sequences
Could someone help me with this question?? What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? A. 15, 30, 45, 60 B. 15, 16.5, 18, 19.5 C. 15, 22.5, 33.75, 50.625 D. None of the above

Maths
An arithmetic progression start 3+2a, 3+4a,3+6a if the fifth term is 73 work out value a?

Algebra
Find the sum of 35 terms of an arithmetic series of which the first term is "a" and the fifteenth term is "9a."

Algebra
If the first and the last terms of an arithmetic series are 10 and 62, show that the sum of the series varies directly as the number of terms

mental arithmetic pls help( ASAP)
Katie went on holiday on 29 July and returned on 7 August .For how many days was she on holiday?

mental arithmetic pls help( ASAP)
50% of a sum of money was £7.00. Find the whole sum of money.

mental arithmetic
The three angles of a triangle each measure 60 degrees. Describe the triangle according to a)its angles b)its sides thank you if you help :D :)

Maths
In the arithmetic sequence 5;7;10;13 which term is greater than 150

Math
Find 2 numbers whose arithmetic mean exceeds their geometric mean by 2and whose harmonic mean is 1/5 of the larger number

Algebra 2
The sum of four numbers in arithmetic progression is 16. The square of the last number is the square of the first number plus 48. What are the four numbers?

math
in an arithmetic sequence 17th term is 9 times the first three terms and the 9th term is 6 less than 3 times the 1st term. Find the first three terms

math
Three numbers form a geometric progression. If the second term is increased by 2, then the progression will become arithmetic and if, after this, the last term is increased by 9, then the progression will again become geometric. Find these three numbers.

math
The sum of the first 9 terms of an arithmetic series is 144, and the sum of the first 14 terms is 329. Find the first 4 terms of the series.

math
find the sum of each arithmetic series (a)5+8+11+....to 20 terms

math
p;2p+2;5p+3 arithmetic sequence determine the next three terms

maths
The fith term of an arithmetic sequence is 23 and the 21th term is 72 Determine the first three terms of the sequence and the nth term

Math
If the 15th and 16th term of an arithmetic sequence are 99 and 92 respectively then the 5th term is? Studying for math final and I cannot figure this out

9th grade algebra (sequences)
Can you check my homework please? Given the following representations, tell whether it's arithmetic/geometric, find the difference/ratio, find the explicit formula, find the recursive formula, and the given term. (This whole question was in the form of a table) 1. -6, 12, 24...

mental arithmetic
7/20 of £2.00 equals how many pennies? 16 2/3 equal ?/3 19min plus ?hours plus ?min equals 3hours thank u to all who help :D

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Homework Help: Math