Thursday

February 11, 2016
Number of results: 202,983

**algebra !**

i need hepl on adding and subtacting rational numbers like -7over12+5 over 6 When adding rational numbers we need a common denominator. We have -7/12 + 5/6 What is the least common multiple of 12 and 6? After you find that make sure both fractions are expressed as a ratio of ...
*September 19, 2006 by makhissa*

**math**

the sum of two numbers is 42. their product is 185. what are the two numbers?
*November 14, 2012 by Anonymous*

**math**

there are two numbers that are 3 times as far from 19 as they are from 11. the sum of the two numbers is?
*January 24, 2013 by claire*

**Algebra 2**

The sum of two numbers s 96, and their difference is 17. What is the larger of these two numbers ?
*November 5, 2014 by Bree*

**math**

The sum of two numbers is 30. Their product is 176. What are two numbers?
*January 27, 2016 by Anonymous*

**math10**

If you randomly choose two different numbers from 1 to 10, what is the probability that one number is one more than the other?
*January 9, 2016 by manilen*

**math**

The sum of three different numbers is 18. If every number is a prime number, what are the three numbers? 11+5+2 is it correct
*November 3, 2014 by Lakshmi*

**Math**

The difference between the two numbers is 14. The LCM of the two numbers is 16. Find the two numbers
*November 13, 2012 by Logan*

**Grade 9 Algebra Question 3 (LAST)**

PASCAL’S TRIANGLE For Exercises 5 and 6, use the following information. Blaise Pascal is known for a special triangular arrangement of numbers, calledPascal’s Triangle.. Each number insuccessive rows of the triangle is created by adding the two numbers in the row above the ...
*October 6, 2011 by Jab*

**Math**

Hot numbers in a lottery are numbers that keep coming up. Cold numbers are numbers that have not "hit" in awhile.Some people select hot numbers or cold numbers when buying a ticket. Using probability,explain whether this makes sense. Please answer this question. Thanks
*January 29, 2011 by Melea*

**Algebra**

I am stuck, pleas help, i have the example but I am still not able to figure it out... Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 Find the value of X...2/5=x-2/20 First, get the X terms on one side of the equation and the numbers on the other. 2/5=X-2/20 2/5+2/20 = X Change ...
*May 23, 2007 by Helpless Again*

**math, algebra**

Problem: A formula for a football player's rushing average r with a total of y yards rushed in n carries of the ball is r=y/n. Solve for n. I have no other information this is how its in the book how do i even solve for n if theres no numbers. You don't use numbers. It asks to...
*December 12, 2006 by jasmine20*

**math**

the sum of two number is 41 .one number is one less than twice the other find the larger of the two number a- 13 b- 14 c- 21 d- 27 e- 41
*August 27, 2010 by anonymous1*

**multplication**

When multiplying is there a rule stating that the numbers being multiplied can't have the same two last numbers as the product or the numbers can't end with the same numbers that were multiplied?
*October 12, 2012 by james*

**math**

Two numbers are such that twice the greater number exceeds twice the smaller one by 18 and 1/3 of the smaller and 1/5 of the greater numbers are together 21.The numbers are:
*November 12, 2015 by Waqas ahmad*

**Math**

A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and their properties. One of which is the only 3-digit numbers that are prime and all rearrangements of their digit are also prime are 113,119, and 337. ...
*November 30, 2008 by Kris*

**math**

The numbers 1 to 100 are placed in a box. You randomly select 15 numbers without looking. What is the probability that two pairs out of these 15 numbers will have the same difference?
*February 21, 2012 by Shanaynay*

**algebra word problem**

the difference between 2 numbers is 24. find the numbers if their sum is 88
*October 4, 2010 by brian*

**Math**

The product of three numbers in geometric progression is 1, their sum is -2/3. Find the numbers.
*November 2, 2013 by Adigun*

**Math**

The sum of three consecutive odd numbers is 615? Find the numbers.
*May 13, 2015 by Preia*

**MATH**

Which two different even numbers (less than 10) have the sum of 12? (whose sum is 12)
*August 8, 2011 by Amy*

**Calculus**

Find two numbers whose sum is 10 for which the sum of their squares is a minimum.
*December 16, 2008 by bobby*

**Algebra 1- Math**

The sum of a smaller number and twice a larger number is 67. If the smaller number is increased by 5, the sum will equal the larger number. Find the numbers. A rectangles width is four more than twice its length. Its perimeter is 62. Find the dimension of the rectangle?
*February 6, 2013 by Tony*

**algebra**

i'm thinking of two numbers, x and y. The sum of 4x and 1 is y. The sum of y and twice x is 13. Find x and y.
*May 21, 2014 by bob*

**Math**

The H.C.F and L.C.M of two numbersare 8 and 504 respectively. One of the numbers is 72.determine the other number
*September 8, 2015 by Noor*

**College Algebra**

The sum of three consecutive natural numbers is 966. Find the numbers.
*July 23, 2015 by Richard*

**Math**

A magic square is a square of numbers with each row, column, and diagonal of the square adding up to the same sum, called the magic sum. Arrange the numbers, -1,0,1,2,3,4,5,6,and 7 into a magic square. How does the average of these numbers compare with the magic sum?
*September 10, 2007 by Michelle*

**CITY SCHOOL **

useing these numbers: 25 - 7 - 8 - 5 - 4 - 3 make an equation so that the answer equals 828,but you can ONLY use those numbers. you cant add any more numbers and you cant repeat any of the numbers. you DONT have to use all the numbers though
*August 25, 2010 by NADIR*

**Algebra**

The sum of 2 numbers is 19 Seven times the first number is five more than the second. What are the 2 numbers? How do I get the formula for the question? Is it 7X+7-5=19 if X=first number and y=second number
*February 9, 2009 by Sora*

**Arithmetic**

three numbers in an arithmetic sequence sum up to six. if you add 1 to the first number, 2 to the second number, and 5 to the third number, what are the orginal three numbers?
*February 19, 2013 by Isaac *

**statistics**

Assign your numbers for mean μ and standard deviation σ. Then select one number "a" bellow μ and one number "b" above μ. Choose these numbers not far from μ so we can use z. Find probability that x is between a and b: P(a < x < b)
*September 4, 2014 by Annie*

**pre-algebra**

In a number square, the sum of the numbers in each row, column, and main diagonal is the same. Find the sum of the number square. a 7 2 1 5 b 8 c 4
*September 28, 2009 by Nathan*

**advance algebra**

The difference of two numbers is 192.If one is 9 times the other, what is the bigger number. X=smaller number y= bigger number please help..thanks
*January 19, 2011 by A-D*

**MATH HELPPPP!!!!!**

If the sum is zero, what is the relationship of the two numbers? (this is an integers question--adding and subtracting-multiplying-and deviding positive and negative numbers)
*November 22, 2008 by Mary*

**math**

the sum of a numbers is 15 and their difference is 4. form a pair of simultaneous equations and solve to find the numbers.
*January 15, 2010 by disha*

**Math**

1. Which of the following is an example of an integer? (1 point) a.-15*** b.3/5 c.square-root of 7 d.0.252525... 2.Which statement is false?(1 point) a.Every integer is a real number b.The number zero is a rational number c.Every irrational number is a real number*** d.Every ...
*September 20, 2015 by Demetrius Wright*

**Programming**

I suppose to write a program that calculates the average of up to 50 numbers input by the user and stored in an array. The program should use a class name Statistics and have an AddNumber method that stores numbers into an arrey one at a time. The class should have a count ...
*May 11, 2011 by Solomon*

**math**

Find two positive numbers whose sum is 50 such that the sum of their squares is minimum?
*November 11, 2010 by Anonymous*

**math 7Probability help**

two numbers rolled can be added to get a sum. Find P(sum is even) is it 1/4 ? or 1/2? I think it is 1/4
*May 10, 2014 by moby*

**math**

the product of two whole numbers is 48. find their greatest possible sum. what is the least sum.?
*July 30, 2015 by jem*

**Math**

The digit sum for 126 is 1+2+6, or 9. The digit sum for 300 is 3+0+0, 0r 3. Find the two consecutive numbers that have digit sums of 36 and 1 Please help - Thank You
*June 27, 2014 by Josh*

**math**

The average of two numbers is 34. The first number is three times the second number. what are the two numbers?
*April 1, 2012 by Anne *

**Math**

The sum of two numbers is 35.31. On of the addends is 9.8. What is the other addend?
*November 30, 2015 by Amy*

**Math**

Two numbers total 43 and have a difference of 21. Find the two numbers
*December 5, 2012 by Cody *

**MS. SUE - MATH HELP PLEASE**

The sum of five times a number and twice a second number is 18, but the difference of three times the first number and seven times the second number is -22. Find the two numbers using the elimination method.
*January 16, 2014 by Katalina*

**Maths**

Five red cards numbered 1,2,3,4,5 and two black cards both numbered 5 are randomly ordered face-down into a pile. The cards are flipped over one at a time until either the sum of the numbers on the red cards is at least 10, or the sum of the numbers on the black cards is at ...
*April 23, 2013 by OIan*

**Math**

Five red cards numbered 1,2,3,4,5 and two black cards both numbered 5 are randomly ordered face-down into a pile. The cards are flipped over one at a time until either the sum of the numbers on the red cards is at least 10, or the sum of the numbers on the black cards is at ...
*April 25, 2013 by Zeneth*

**math**

the sum of two twin numbers is 60 what are the number
*January 24, 2013 by Deepa( Exam prep question)*

**Algebra **

I have one question I really need help with. I know the partial sum process but my numbers dont seem to come out to what I think it should be. Find the partial sum S6 1. An=3n+2
*April 4, 2013 by Jess *

**Math**

I need help with these three problems. I cant figure them out. 3. The difference of two numbers is tripled. The result is decreased by 1. If the lesser of the two numbers is 4 the result is 8.3. Find the greater number. 4. A number increased by 21 is ewuivalent to half the ...
*May 5, 2009 by Math*

**Fibonacci numbers**

I have three problems to answer dealing with Fibonacci numbers. I understand the first two, but would like for reassurrance that they are correct and lost on the last one and could use some help. Thank you. 1. Fibonacci numbers can not be used more than once. Find sums for ...
*October 2, 2011 by Jennifer*

**Chemistry **

Which of the following statements about isotopes is/are true? a. Because isotopes have different numbers of neutrons, they have different mass numbers. b. because neutrons determine an atom's chemical properties, isotopes of the same element are very different. C. isotopes are...
*September 2, 2015 by Aleksandra *

**algebra 2**

three numbers in the ratio of 7:3:2 have a sum of 228. what is the difference between the smallest and the largest numbers?
*November 27, 2010 by mychelle*

**programming**

1. Write a structured algorithm that prompts the user to input two numbers. The algorithm should calculate and print the sum & product of the two numbers [21/2]
*October 16, 2012 by alethia benney*

**statistics**

To win at BIG GAME in a certain state, one must correctly select 6 numbers from a collection of 49 numbers (1 through 49). The order in which the selections is made does not matter. How many different 6-number selections are possible, assuming no repetition of numbers? Choose ...
*November 13, 2010 by lucky*

**Math (PLEASE HELP!)**

1. The sum of the squares of two numbers is 74 and the difference of their squares is 24. a) What system of equations models this situation? b) What are the two numbers? 2. For what value of b will the line y= -2x+b be tangent to the parabola y=3x^2+4x-1?
*June 18, 2015 by Anthony*

**math**

which of these statements about prime and composite numbers is true? F)all prime numbers are odd. G)all prime numbers have three factors. H)all composite numbers are divisible by two. J)all composite numbers have more then two factors i thinks it (J) but im not sure
*March 25, 2010 by george*

**Algebra**

system of equations, the sum of two numbers is 46. the first number is 3/20 of the second number is it x + y = 46, x = 3/20y?
*January 5, 2015 by slomo*

**math**

kathyrn is thinking of four numbers from 1 through 9 with a sum of 18 find the numbers. this is the questions to the answer above.
*February 5, 2015 by JACKIE CHAN*

**Math: Geometric Progression**

Three numbers are in G.P. whose sum is 70. if the extremes be each multiplied by 4 and the means by 5, they will be in AP. find the numbers .
*September 13, 2015 by Aman*

**Math**

On finding a perimeter and area and there is a decimal for the shape but the 2 other numbers on the shape don't. Do I multiply/add with the decimal on all numbers or only on that 1 number? EXAMPLE There is a triangle one side is 1.5 the base is 2 and the other side is 3 What ...
*January 19, 2012 by Connor*

**Maths**

Please Could someone tell me what: 1. A square number is 2. A cube number is 3. A triangle number is Thank you Square numbers are the result of squaring an integer (IxI) Cube numbers are the result of the cube of an integer (IxIxI) A triangular number is a number such that the...
*April 23, 2007 by sean*

**math**

Can anyone explain please,thank.the sum of 8numbers is x,and the sum of different set of nine numbers is 2x.the average of the smaller set of numbers is 1 more than the average of the larger set of numbers
*November 2, 2014 by julian*

**Math**

The numbers 1-10 are placed on cards, and the cards are put in a hat. If two cards are drawn, in order, without replacement, what is the probability that a. both are composite? b. one number is even and the other is odd? c. one number is even and the other a prime?
*February 5, 2010 by Nicole*

**algebra**

The sum of two numbers is 24. Seven times the smaller number is the same as 5 times the larger number. Find the smaller number
*September 29, 2008 by katherine*

**Permutation and combination**

How many natural numbers are there with the property that they can be expressed as sum of cubes of two natural numbers in two different ways.
*February 3, 2016 by Edward*

**Statistics **

We are given this table which is Benford law for these questions they are used for filling your taxes: k= p(X=k) 1 0.301 2 0.176 3 0.125 4 0.097 5 0.079 6 0.067 7 0.058 8 0.051 9 0.046 1.) If you select two numbers randomly from any where on your taxes what is the probability ...
*March 10, 2013 by Anonymous*

**algebra1**

one number is 8 less than another .the quotient formed by dividing the higher number by the lower number is 15/11.Find the values of the two numbers
*April 23, 2013 by loulou*

**maths**

Fill in the blanks- 1). the sum of two consecutive odd numbers is 84, the number are ________ and________ 2). A number multiplied by 6 and then reduced by 3 gives 69, the number is_______ 3). The number of boys is 3/2 the number of girls in class. the total strength is 40. the...
*June 15, 2012 by kratika *

**math,help,factoring**

i need help i don't know how to do the next step. factor by grouping x^3-3x^2+4x-12 so what i have so far is this =(x^3-3x^2)+(4x-12) =x(x^2-3x)+4(x-3) from here i don't know... and then this one is driving me insane this next one... Rewrite the middle term as the sum of two ...
*February 27, 2007 by jas20*

**Math**

Minimizing Sum: Find two positive numbers whose sum is 100 and the sum of whose squares is a minimum.
*October 9, 2009 by David*

**math**

the florida lottery is made up of the number 1-49. my mother observed that the winning numbers many times are prim numbers. a. list the prime numbers from 1-49 b. what is the probability of a prime number being picked randomly from the numbers 1-49? c. is the probability of ...
*February 1, 2010 by ssmomo*

**maths**

The difference between 2 positive numbers, x and y where x > y, is 7 and the sum of their squares is 137. By forming 2 equations in x and y, find the product of these 2 numbers.
*March 18, 2015 by katelyn*

**Math**

how would you graph x>-2 and how would you solve the sum of two numbers is 3. their difference is 1. find the number.
*April 10, 2011 by Lulu*

**Simple Math**

Two eight-sided number cubes are thrown. Given that one of the cubes shows a five, what is the probability that the sum of the numbers that come up on the two cubes is six?
*January 31, 2013 by Jessica*

**Algebra (need help ASAP!!!!)**

I didn't get how to do the problem. In my book it says to choose a variable and write an absolute value inequality that represents each set of numbers. Here are the problems I had-- all real numbers less than 2 units from 0 all real numbers less than 1 unit from -4 I need to ...
*December 14, 2006 by Emily*

**math**

Find the prime factorization of each number,330 2.Find two factors of 28 with a sum of 11.7*4=28 =7+4=11 3.Find the greatest common factor for each of the following groups of numbers 36, 72, and 144 answer36, 72, and 144
*September 2, 2009 by p*

**Michael**

How many natural numbers are there with the property that they can be expressed as sum of cubes of two natural numbers in two different ways.
*February 3, 2016 by Edward*

**algebra**

Look for a pattern in the expressions shown below. Use the pattern to write an expression for the sum of the whole numbers from 1 to n. Then find the sum of the whole numbers from 1 to 50. 1+2= 2•3/2 1+2+3= 3•4/2 1+2+3+4= 4•5/2
*September 8, 2013 by Anonymous *

**Math**

Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. OOO O 0 Of the three possible solutions, which numbers can be used ...
*October 19, 2009 by Kelly*

**math**

the product of two numbers is 50. when you divide the larger number by the smaller number you get 2. what are the two numbers?
*October 26, 2009 by Anonymous*

**Math**

the sum of 5 consecutive whole numbers is 2005. what is the sum of all the digits of these 5 numbers
*March 28, 2013 by Mo*

**Math**

Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. Of the three possible solutions, which numbers can be used in the ...
*October 21, 2009 by Kelly*

**math**

Tne union of the set of rational numbers and the set of irrational numbers is 1 {whole number} 2 {real numbers} 3 {counting numbers} 4 {}
*May 5, 2009 by Anonymous*

**math**

The sum of two numbers is 38. Their difference is 12. What are the two numbers?
*January 25, 2008 by Kara*

**Math**

The sum of two numbers is 38. Their difference is 12. What are the two numbers?
*January 25, 2008 by carly*

**math**

sum of two numbers is 42.Their difference is 6.What are the two numbers?
*January 31, 2008 by gavin*

**Math**

The sum of two numbers is 35 and their difference is 7. What are the two numbers?
*March 1, 2014 by Larry*

**math**

10 numbers have an average of 12 whereas 5 other numbers have an average of 36. find the average of the 15 numbers
*October 28, 2013 by kellyann*

**math 1**

Pls solve this using one variable: The difference bet 2 numbers is 3. The sum of thrice the smaller and the larger is 35. Find the original number.
*November 14, 2012 by MNHS*

**Math**

What two numbers when multiplied = -16 and when added = 10, also one number is negative the other is positive in this answer.
*March 5, 2012 by Jquez*

**math**

justify that15 is the sum of eachrow of a 3X3 magic square using the number 0-9. Find the sume of all the numbers. What is the of eachrow in a 4X4 magic square that uses the numbers 1-16.
*April 22, 2010 by Mark*

**math,algebra**

can someone explain to me how to solve for the following: Directions:Find the GCF of 6,18, and 30 well to get the answer you need to find the biggest comon factor that all of the numbers can evenly go into. like with 3, 6, 9 you would take 9 and write/type out several factors ...
*December 14, 2006 by Jasmine20*

**math**

Suppose you are comparing two numbers that are greater than 1,000. You want to find the smaller of the numbers. How many pairs of digits might you have to compare before you have your answer? Explain.
*August 27, 2012 by Anonymous*

**Math **

Suppose you are comparing two numbers that are greater than 1,000. You want to find the smaller of the numbers. How many pairs of digits might you have to compare before you have your answer? Explain.
*September 5, 2013 by Felix *

**Math **

Nine consecutive odd whole numbers sum to 243. Find the sum if the first and last whole numbers in this nine-addend ser.
*December 17, 2013 by Kristen*

**math**

What is findind a five number summary of each ser of numbers 7,7,5,4,1,9,8,8,8,5,2 and range of the same numbers please I only see one set of numbers. Why do you refer to "each" set? What five-number summary are you refering to? Mean, median, mode and what else? The range of ...
*June 12, 2007 by isaiah*

**need help in math,**

Translate to a system of equations and solve using the addition method. The sum of two numbers is88. The difference is 22.Find the numbers? My answer: I started but i think that i am wrong. x + y = 88 y = -x +88 y = -1x + 88 now once i substituted x -1x + 88 = 88 see i don't ...
*January 13, 2007 by jasmine20*

**Math**

What 2 digit number has 2 one digit factors that have a sum of 16 and a difference of 2?What is it? the numbers are 9 and 7
*October 25, 2006 by Mary-Ann*

**Alegbra**

the smaller of two numbers is 18 less than the larger number. If 5 timnes the larger number esxceeds four times the smaller by 100. Find the numbers.
*September 10, 2015 by Kalee*