Friday

August 1, 2014

August 1, 2014

Number of results: 90,884

**math**

An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are integers, then a-b = a+ -b. Since addition is commutative, so is subtraction. What is your response?
*August 24, 2012 by jonny*

**math**

1. The largest of five consecutive integers is twice the smallest. Find the smallest integer. 2. When the sum of three consecutive integers is divided by 9 the result is 7. Find the three integers. 3. If each of three consecutive integers is divided by 3, the sum of the ...
*July 14, 2013 by rita*

**math**

Give your own example of a function using a set of at least 4 ordered pairs. The DOMAIN will be any four integers between 0 and +10. The RANGE will be any four integers between -12 and 5.
*November 15, 2009 by sm*

**math**

Give your own example of a function using a set of at least 4 ordered pairs. The DOMAIN will be any four integers between 0 and +10. The RANGE will be any four integers between -12 and 5
*September 11, 2010 by tim*

**math**

don't understand help please When one half of the second of two consecutive integers is subtracted from the first of the two consecutive integers, the result is 2.
*December 6, 2007 by keauanna*

**math**

how do i solve the sum of the first n even positive integers is h. the cum of the first n odd positive integers is k. determine the value of h-k, in terms of n
*May 31, 2010 by alicia*

**Math**

Paulo withdraws the same amount from his bank account each week to pay for lunch. Over the past four weeks, he withdrew one hundred twenty dollars. Which rule best applies to determine the change in his account each week? 1. The product of two positive integers is a positive ...
*September 11, 2013 by Bilbo*

**math**

Write TWO EQUATIONS that have your two integers as solutions. The two integers are between -12 and +12
*November 15, 2009 by denise*

**math**

The product of two consecutive integers is two hundred forty. Find the two integers.
*April 10, 2011 by Karina*

**college math question**

Find the GCD of 24 and 49 in the integers of Q[sqrt(3)], assuming that the GCD is defined. (Note: you need not decompose 24 or 49 into primes in Q[sqrt(3)]. Please teach me . Thank you very much. The only integer divisor of both 24 and 49 is 1. I don't know what you mean by Q[...
*November 16, 2006 by student*

**Math**

Let S(n) denote the sum of digits of the integer n. Over all positive integers, the minimum and maximum values of S(n)/S(5n) are X and Y, respectively. The value of X+Y can be written as a/b , where a and b are coprime positive integers. What is the value of a+b?
*February 19, 2013 by John*

**math, algebra**

2a+2ab+2b I need a lot of help in this one. it says find two consecutive positive integers such that the sum of their square is 85. how would i do this one i have no clue i know what are positive integers.but i don't know how to figure this out. Let n be a postive integer, ...
*January 26, 2007 by sana*

**math**

consecutive even integers can be represented by x,x+2,x+4 and so on. write an equation and solve to find 3 consecutive even integers whose sum is 54.
*May 24, 2010 by Sara!*

**Math**

The sum of the integers from 40 to 60, inclusive, is 1050. what is the sum of the integers from 60 to 80 inclusive? Please help me find the pattern and how to use it instead of adding 60+61+62+63..... etc.
*January 9, 2013 by Sarah*

**Math**

The sum of the integers from 40 to 60, inclusive, is 1050. what is the sum of the integers from 60 to 80 inclusive? Please help me find the pattern and how to use it instead of adding 60+61+62+63..... etc.
*January 9, 2013 by Sarah*

**Math**

Identify all sets to which the number 3 belongs A. Whole numbers, integers, rational numbers B. Rational numbers C. Integers, rational numbers D. Even numbers, whole numbers, integers, rational numbers I THINK IT'S A
*December 12, 2012 by Frances*

**Math**

The greater of two consecutive even integers is six less than twice the smaller. Find the integers. The greater of two consecutive even integers is six less than twice the smaller. Find the integers How about x + 2 = 2x - 6 almost .. it's x + (x+2)=2x-2
*June 3, 2007 by Jaime*

**discrete math**

which positive integers less than 12 are relatively prime to 13 Since 13 has no factors, then all integers 2, 3, 4, 5, 6....11 are relatively prime to 13
*November 6, 2006 by thisha*

**Math: Integers**

Hey guys! I need help with this problem..it tells me to write a number line to tell the answer..the question is : What is the smallest integer greater than -2.1? Is it to -2 right? I have no idea. I forgot all this back in elementary T_T. Yes. Negative integers are also ...
*June 16, 2006 by kim*

**math**

Give examples of numbers that are integers and numbers that are not integers
*April 29, 2009 by Alisha*

**math**

Part 1 In your own words, define the word “function.” Give your own example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and 5.Explain why your example models a ...
*November 30, 2011 by king*

**algebra**

the greater of two consecutive integers is 20 more than twice the smaller. what are the integers
*June 30, 2011 by chris*

**ALGEBRA.**

The product of 2 positive integers is 1000. What is the smallest possible sum of these 2 integers?
*April 18, 2013 by HELP ME...uRGENT!*

**Algebra Please Help**

The sum of three consecutive odd integers is 51. What are the integers?
*October 6, 2008 by Tina*

**algebra**

The greater of two consecutive integers is 15 more than twice the smaller. Find the integers.
*October 16, 2010 by Krysta*

**algebra**

The larger of two consecutive integers is 10 more than 4 times the smaller. Find the integers.
*October 18, 2011 by Anonymous*

**algebra**

The larger of two consecutive integers is 10 more than 4 times the smaller. Find the integers.
*October 18, 2011 by Anonymous*

**Amanda**

The product of two consecutive positive integers is 11 more than their sum. What the integers? Please help.
*December 8, 2011 by Anonymous*

**Algebra 1**

The larger of two consecutive integers is 7 greater than twice the smaller. Find the integers. A) 4,5 B) -8,-9 C) -5,-6
*October 24, 2012 by Monica*

**math**

The four values x, y, x−y and x+y are all positive prime integers. What is the sum of all the four integers?
*April 24, 2013 by ayan*

**Algebra**

Need a formula; the product of two consecutive integers is 41 more than their sum. Find the integers.
*December 7, 2009 by Nelson*

**maths**

Find the number of positive integers <1000 that can be expressed as 2^k−2^m, where k and m are non-negative integers.
*April 12, 2013 by rohit*

**Maths**

Find the number of positive integers <1000 that can be expressed as 2^k−2^m, where k and m are non-negative integers.
*April 12, 2013 by Ian*

**inTEGERS!**

How many positive integers less than 1000 are odd but not a multiple of 5
*April 1, 2013 by please help me out!!*

**math**

3)How mnay subsets of 6 integers taken from the numbers 1,2,3...,20 are there such that there are no consecutive integers in any subset (e.g. if 5 is in the subset then 4 and 6 cannot be in it)? This is a fairly challenging problem, what have you tried so far? There are 20 ...
*October 15, 2006 by Ali*

**math**

Give your own example of at least four ordered pairs that does not model a function. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and +5.
*August 1, 2011 by tamika*

**SAT math**

Set M consists of the consecutive integers from -15 to y, inclusive. If the sum of all the integers in set M is 70, How many numbers are in the set? SAT prep help - Anonymous, Saturday, September 28, 2013 at 3:16pm a. 33 b. 34 c. 35 d. 36 e. 37
*September 28, 2013 by Anonymous*

**Algebra**

The lesser of two consecutive even integers is 10 more than one-half the greater. Find the integers.
*October 1, 2007 by Sara*

**Algebra**

The lesser of two consecutive even integers is 10 more than one-half the greater. Find the integers.
*October 1, 2007 by Sara*

**math/integers**

how do you solve integers? There are about a thousand different types of problems with integers, so it depends on what type of problem. Do you have something specific in mind? In general, modulo arithmetic is used, but it is taught in very few schools these days. Sometimes ...
*October 10, 2006 by Anonymous*

**MATH combinatorics HELP!!!!!**

Determine the least positive integer n for which the following condition holds: No matter how the elements of the set of the first n positive integers, i.e. {1,2,…n}, are colored in red or blue, there are (not necessarily distinct) integers x,y,z, and w in a set of the same ...
*May 11, 2013 by Bob K.*

**algebra**

Twice the greater of two consecutive odd integers is 13 less than three times the lesser. Find the integers.
*October 9, 2007 by mike*

**algebra**

The sum of the squares of two consecutive odd integers decreased by the product of the integers is the same as sixty-seven.
*May 4, 2011 by zainab*

**Algebra**

The product of 3 consecutive integers decreased by the cube of the first is 85. Wahat are the integers? THE GIVEN EQUATION IS: (x)(x+1)(x+2)-xcube = 85 How can i solve this ?
*July 2, 2014 by Chesca*

**heeeeeeeeeeeeeelp maths**

How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive integers?
*May 27, 2013 by Anubhav*

**Algebra**

There are three consecutive integers the square of the largest one equals the sum of the squares of the two other.Find the integers
*March 24, 2010 by Tom*

**discrete math**

Let A= {for all m that's an element of the integers | m=3k+7 for some k that's an element of positive integers}. Prove that A is countably infiite. Note: you must define a function from Z+ to A, and then prove that the function you definied is a bijection
*December 4, 2010 by Samantha*

**math**

just a little stuck can you help me out? 1.)Sales (in millions) of a company are modeled by the expression for x items produced and sold (in millions). If 4 (million)items are produced and sold, what would the sales be? 2.)The sum of four consecutive odd integers is -336. Set ...
*July 14, 2005 by Angel*

**Math**

Suppose p and q are odd integers. (a) Show that the quadratic equation x2 + px + q = 0 has no rational roots. (A number á is a “root” of that equation if: á2 + pá + q = 0. A number is rational if it is expressible as m/n for some integers m and n. ) (b) Does this result ...
*April 15, 2010 by Tiny*

**algebra**

what are 3 consecutive positive even integers that the product of the second and third integers is twebnty more than ten times the first integer?
*November 28, 2010 by naicha*

**maths**

These questions concern the integers 84, 126, 168 and 294. 1)Choose the option that is the lowest common multiple of the four integers. 2)Choose the option that is the highest common factor of the four integers. Options for them: A) 28 B) 42 C) 63 D) 294 E) 3528 F) 7056 G 10) ...
*September 11, 2007 by z*

**math**

Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n + 1 is a perfect square. Are there any positive integers n for which n4 +n3 +n2 +n+1 is a perfect square? If so, find all such n.
*April 1, 2010 by help*

**MATH**

Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n + 1 is a perfect square. Are there any positive integers n for which n4 +n3 +n2 +n+1 is a perfect square? If so, find all such n.
*April 2, 2010 by Diamond*

**Math**

Let S be the number of perfect squares among the integers from 1 to 20136. Let Q be the number of perfect cubes among the same integers. What is the relationship between S and Q?
*December 13, 2013 by Mary*

**equation**

the smallest 3 consecutive integers is added to twice the largest , the result so obtained is fifteen less than four times the middle integer. find the integers
*March 8, 2012 by simon*

**Algebra**

The sum of the squares of the largest and smallest of three consecutive odd integers is 353 less than 3 times the square of the middle one. Find the integers.
*January 29, 2013 by Karen*

**11th grade mths**

Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range equals [0,1] C.Give n ...
*September 18, 2012 by Fatima*

**For <b>marie flore joseph</b>**

Please do not add your new question as a response to somebody else's post. click on "Post a New Question" above to post your problem. Here is your question : Math - marie flore joseph, Monday, April 5, 2010 at 10:37pm the difference of the squares of two consecutive odd ...
*April 5, 2010 by Reiny*

**Math**

Write two equations that have your two integers as solutions. Show how you built the equations using your integers, numbers used 5 and 8. Solve your system of equations by the addition/subtraction method. Make sure you show the necessary 5 steps.
*September 28, 2011 by Klint*

**java**

Write a java application that finds the smallest of several integers. Prompt the user for the number of integers that will be input, then prompt the user for that number of integers. Evaluate the integers to determine the smallest value. Run the program to test for 3 numbers...
*October 21, 2012 by saleh*

**math**

im having a hard time understanding how to add and subtract integers Study these sites to see if they help you. http://mathforum.org/dr.math/faq/faq.integers.html http://www.gomath.com/algebra/negative.php If you post a couple of problems with your answers, we'll be glad to ...
*June 24, 2007 by jd*

**Math**

In two inequalities below,both a and b are integers.how many values do a and b have in common? 4< a < 21 12< b < 24 - a can be 5, 6, .. 19 or 20 b can be 13, 14, ...22 or 23. Both a or b can be integers 13 through 20. Those are the "values in common" to both sets.
*February 23, 2007 by Anonymous*

**math**

How many ways can the integers 1,1,2,3,4,5,6 be arranged in a row, so that no integer is immediately adjacent to two strictly larger integers? NOTE: The sequence 3,1,2,4,5,6,1 is not valid as 1 is adjacent to 2 and 3, both of which are strictly larger than 1. The sequence 3,1,...
*June 27, 2013 by Help*

**discrete math**

Find how many positive integers with exactly four decimal digits, that is, positive integers between 1000 and 9999 inclusive, have the following properties: (a) are divisible by 5 and by 7. (b) have distinct digits. (c) are not divisible by either 5 or 7.
*April 8, 2012 by carlton*

**math**

there are three consecutive positive integers such that the sum of the squares of the smallest two is 221. write and equation to find the three consecutive positive integers let x= the smallest integer
*October 30, 2012 by eddy*

**math**

U is the set of positive integers less than or equal to 30. A is the set of natural numbers that are multiples of 5 in U. B is the subset of all of the even integers in U. a) Find n(A U B) b) Find n(A intersect B) c) Find n(A U B' ) d Find n(B intersect A') Thank you so much!!!!!
*January 24, 2014 by Lucas*

**math**

U is the set of positive integers less than or equal to 30. A is the set of natural numbers that are multiples of 5 in U. B is the subset of all of the even integers in U. a) Find n(A U B) b) Find n(A intersect B) c) Find n(A U B' ) d Find n(B intersect A') Thank you so much!!!!!
*January 25, 2014 by Lucas*

**Math**

During scuba lessons Sue dove 30 feet. Harriet dove 120 feet, and Kathy dove 90 feet. What integers represent these depths? Order the integers from least to greatest. Is it 30, 90, 120 or is there something else I need to do?
*April 7, 2011 by Scott*

**algebra**

write a polynomial that represents the sum off an odd integers 2n+1 and the next two consecutive odd integers
*April 9, 2013 by Anonymous*

**mathematics**

4 distinct integers p, q, r and s are chosen from the set {1,2,3,…,16,17}. The minimum possible value of p/q+r/s can be written as ab, where a and b are positive, coprime integers. What is the value of a+b?
*April 21, 2013 by Sambaran G.*

**mathematics**

Suppose f(x) is a degree 8 polynomial such that f(2^i)=1/2^i for all integers 0≤i≤8. If f(0)=a/b, where a and b are coprime positive integers, what is the value of a+b?
*April 21, 2013 by Sambaran G.*

**Maths!!!**

4 distinct integers p, q, r and s are chosen from the set {1,2,3,…,16,17}. The minimum possible value of (p/q)+(r/s) can be written as a/b, where a and b are positive, coprime integers. What is the value of a+b?
*April 23, 2013 by OIan*

**MAths**

4 distinct integers p, q, r and s are chosen from the set {1,2,3,…,16,17}. The minimum possible value of p/q+r/s can be written as a/b, where a and b are positive, coprime integers. What is the value of a+b?
*April 23, 2013 by OIan*

**algebra**

the sum of four consecutive integers is -72. write an equation to model this situation and find the values of the four integers
*August 4, 2013 by lucindatamakloe*

**Algebra**

How many positive integers n≤1000 cannot be written in the form a2−b2−c2 where a,b and c are non-negative integers subject to a≥b+c?
*March 18, 2013 by Stranger*

**algebra 1**

The sum of four consecutive integers is decreased by 30, the result is the fourth integer. Find the four integers.
*October 1, 2013 by Tracy*

**Data Structures and Algorithms**

Given integers R,M with M≠0, let S(R,M) denote the smallest positive integer x satisfying the congruence Rx≡1(mod M) if such an x exists. If such an x does not exist, put S(R,M)=0. Each line of this text file contains a pair of space separated integers representing...
*July 24, 2013 by Steven*

**algebra1**

tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer.what are the integers?
*August 20, 2012 by jane*

**Algebra**

The sum of the squares of two consecutive positive even integers is one hundred sixty-four. Find the two integers.
*February 4, 2013 by LaShawn*

**Mathematics**

A class writes the equation n+n+1+n+2=87 to solve the following problem. The sum of 3 consecutive odd integers is 87. Find the three integers. What error did they make? I don't know where to start. I'm confused, I need help!!! Help will be greatly appreciated.
*November 1, 2007 by Michael*

**8th grade Maths**

The product of three consecutive integers is -1716. What is the greatest of the three integers?
*September 21, 2008 by seera*

**pre-calc**

the sum of the two squares of two consecutive even integers is 1,648. what are the integers?
*November 18, 2008 by Allie*

**algebra**

Find the sum of all positive integers c such that for some positive integers a and b {a!⋅b!=c!} {a+c+3}
*September 8, 2013 by sa*

**Integers**

If x and y are positive integers and x/5 + y/8 = 17/20, what is the value of x + y?
*September 16, 2013 by Alice*

**algebra concept 2**

2. Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. What are the integers?
*May 12, 2010 by Anonymous*

**Algebra**

If the first and third of three consecutive even integers are added, the result is 12 less than three times the second integer. Find the integers.
*June 1, 2010 by Carla*

**Maths**

The sum of the squares of three consecutive positive integers is 365 What are these integers? Please write this problem in quadratic equation form please
*April 5, 2011 by Jane911*

**Discrete Mathematics**

Suppose a0, a1, a2 ,... is a sequence defined recursively as follows: a1 = 1, a2 = 2, a3 = 3 and ak = ak-1 + ak-2 + ak-3 for all integers k > 3. Use strong induction to show that an < 2n for all integers n ≥ 1.
*October 25, 2012 by Vevea Tepou*

**algebra2**

Two consecutive positive integers have the property that one integer times twice the other equals 612. What is the sum of these two integers?
*May 9, 2010 by Henry*

**Algebra**

so the answer for 3 consecutive positive even integers such that the product of the second and third integers is 20 more than ten times the first integer........the answer is n=6 and n=-2
*May 23, 2010 by Alexis*

**math**

two integers have sum of 23 and a difference of 7. which of the following is also true about these integers? A they have a product of 161. B they have a qoutient 4. C they have a product of 120. D they have a qoutient of 2.
*November 23, 2011 by jen*

**math**

The sum of two positive integers is 60 and their positive difference is 26. What is the positive difference between the squares of the two integers? Can anyone explain this one to me?
*September 17, 2009 by Michael*

**algebra**

If the first and third of three consecutive odd integers are added, the result is 69 less than five times the second integer. Find all three integers.
*November 8, 2010 by franklin*

**math**

Let f:ℤ+ → ℤ+ be the function defined by: for each x ∈ ℤ+, f(x) is the number of positive divisors of x. - find integers m, n, nd k so tha f(m)=3, f(n) = 4 anf f(k) = 5 -is f one-to one? Explain, is f unto? prove is it true that all positive odd ...
*March 20, 2014 by excel*

**Math**

I am stuck on trying to figure out how to do this question. Could someone please show me 5 necessary steps ? Thank you. Here is how the assignment question is worded. Select any two integers between -12 and +12 which will become solutions to a system of two equations. Write ...
*February 9, 2011 by Tiffany*

**discrete math**

Let f:ℤ+ → ℤ+ be the function defined by: for each x ∈ ℤ+, f(x) is the number of positive divisors of x. - find integers m, n, nd k so tha f(m)=3, f(n) = 4 anf f(k) = 5 -is f one-to one? Explain, is f unto? prove is it true that all positive odd ...
*March 20, 2014 by excel*

**math help please**

Let f:ℤ+ → ℤ+ be the function defined by: for each x ∈ ℤ+, f(x) is the number of positive divisors of x. - find integers m, n, and k so tha f(m)=3, f(n) = 4 anf f(k) = 5 -is f one-to one? Explain, is f unto? prove is it true that all positive odd ...
*March 21, 2014 by excel*

**math**

Determine whether there are 2 consecutive odd integers such that 5 times the first exceeds three times the second by 54. Can anyone help??? We're asked: Determine whether there are 2 consecutive odd integers such that 5 times the first exceeds three times the second by 54. Let...
*September 13, 2006 by Rob*

**Math**

For two consecutive integers, the sum of the smaller and twice the larger is 38. What are the integers? Plz explain. Thanks 2(a+b)=38 Therefore: a+b+(2(a+b)=38 a+b+2a+2b=38 3a+3b=38 3(a+b)=38 I got as far a here. I dont know if this helps. My last stop may be worng. This might...
*November 29, 2006 by Jamie*

**Integers**

When you add integers, why do you subtract? -9+5=-4. I do not understand why there is an addition sign. How do you know when you are suppose to subtract.
*July 2, 2008 by beth*

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