Saturday

October 25, 2014

October 25, 2014

Number of results: 175,887

**math problem**

My ID number is quite remarkable.Its a 9 digit number with the digits 1-9 appearing only once. The entire 9 digit nuymber is divisible by 9. If you remove the last digit, the remaining 8 digit number is divisible by 8. If you remove the last digit again, you are left with a 7 ...
*September 30, 2006 by Samantha*

**math**

please help! find 3 consective numbers with a sum of 12. find three consective numbers with a sum of 45
*November 20, 2007 by jake*

**Advanced algebra**

In which distributions does the variable, X, have a binomial distribution? (Choose all that are correct) ~When a 6-sided number cube is rolled 3 times, X is the number of 2s rolled. ~When a 6-sided number cube is rolled, X is the number of times rolled before a 2 appears. ~...
*September 5, 2014 by Alex*

**Advanced algebra**

In which distributions does the variable, X, have a binomial distribution? (Choose all that are correct) When a 6-sided number cube is rolled 3 times, X is the number of 2s rolled. When a 6-sided number cube is rolled, X is the number of times rolled before a 2 appears. When a...
*September 5, 2014 by Alex*

**math**

Is there a formula to sum the digits between two numbers? eg. 1 to 20 = 1+2+3+4+5+6+7+8+9+1+0+1+1+1+2+1+3+1+4+1+5+1+6+1+7+1+8+1+9+2+0 = ?? I am looking for the numbers 1 to 2008 so I really need a formula! Please help, thank you. Jane
*May 12, 2009 by Jane*

**math**

what do we call the numbers that cannot be arranged into 2-row arrays? I think this is the 3rd time I've seen this question posed. I'm not aware of any special name for arrays with two rows, so I'd sure be interested to see what the quesioner has in mind here. As for the ...
*August 30, 2006 by Kristy*

**Math**

What numbers can be expressed as an alternating-sum of an increasing sequence of powers of 2 ? To form such a sum, choose a subset of the sequence 1, 2, 4, 8, 16, 32, 64, . . . (these are the powers of 2). List the numbers in that subset in increasing order (no repetitions ...
*April 15, 2010 by CSI*

**Math**

How do I set this up and how do I solve: The sum of two numbers is 20 The difference between 3 times the larger number and twice the smaller number is 40. What is the larger number?
*February 12, 2012 by Jane*

**math**

The smaller of two triangular numbers whose sum and difference are also triangular numbers?
*September 24, 2007 by Ben*

**Geometry**

Below is a worksheet I have to do for my geometry class. I am not sure about the answers I have given and I have no clue about the ones not answered. Any help will be much appreciated and thank you in advance. A. Determine the number of triangulations for a hexagon. 5 B. How ...
*October 24, 2012 by Angie*

**Math 130 **

Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum of the first 100 odd numbers?
*February 27, 2013 by Enis *

**Algebra**

5 times the least of three consecutive odd numbers is 35 more than twice the sum of the greater two. What is the sum of the three consecutive odd numbers?
*September 22, 2013 by Shaun*

**Math**

5 times the least of three consecutive odd numbers is 35 more than twice the sum of the greater two. What is the sum of the three consecutive odd numbers?
*September 22, 2013 by Shaun*

**geometry**

in the proportion 2/8=8/32, which numbers is the geometric mean of the other two numbers?
*June 17, 2014 by alice*

**Math**

Most natural numbers can be expressed as a sum of two or ore consecutive positive intergers. Find all natural numbers between 1,000 and 10,000 which cannot be expressed as a sum of tow or more consecutive positive intergers.
*March 23, 2009 by Danette*

**Maths**

Andrew arranged the number 1, 2, 3, ...11, 12 into six pairs so that the sum ofany two numbers in a pair is prime and no two of these primes are equal. find the primes and the pairs
*February 3, 2010 by Jane*

**Probability plz help**

Roszena rolls two standard six-sided dice. If the sum of the numbers on the top faces is not 6, what is the probability that the sum is 7? Express your answer as a rational number in lowest terms.
*November 29, 2009 by Ryan*

**Math**

the only perfect number of the form x(n) + y(n) A perfect number is an integer that is equal to the sum of its positive divisors (not including itself). Therefore, 6 is a perfect number, since its positive divisors are 1, 2, and 3 and 1+2+3 = 6. 28, 496, and 8128 are also ...
*November 19, 2006 by Mike*

**Math**

Actually, i made a mistake. All though we still came up with the right answer, I made a mistake and copied another book answer to another question into this question. The real book answer to this word problem is: ( Let's translate the English into Math: x+3x=60, so x=15 and ...
*August 9, 2007 by Mack*

**Math**

To open the chest of shells the souvenir merchant must enter a code. As his memory is poor, to remember the code he has filled in this speech bubble so that every statement is correct. What is the code? ? X number 1, ? X number 2, ? X number 3, ? X number 4. The multipliers ...
*August 16, 2012 by John*

**Algebra 2**

There are two spinners. Each spinner is numbered 1-4. Each spinner is spun once. Find the probability of spinning each of the following:2 on the first spinner and a 4 on the second spinner, both numbers the same, 3 on exactly one spinner, one number less than the other.
*February 1, 2012 by Katy*

**Algebra**

Order the following numbers from least to greatest. √5, -0.1, (-5/3), 0.7, √2 a. 0.7, √2, (-5/3), √5, -0.1 b. √5, √2, 0.7, (-5/3), -0.1 c. (-5/3), -0.1, 0.7, √2, √5 ? d. -0.1, 0.7, √2, √5, (-5/3) To which subsets of ...
*September 21, 2013 by Anonymous*

**math**

Which statement is true? A. All irrational numbers are also rational numbers. B. Half of the irrational numbers are also rational numbers. C. One-third of the irrational numbers are also rational numbers D. Irrational numbers cannot be classified as rational numbers. Is the ...
*September 26, 2014 by Anonymous*

**English**

Can someone please review me on the rule of writing numbers? Isn't it numbers under 10 must be written out:one, two, three,etc., but 10 and up can be in numeral form: 10, 11, 12, etc? But it looks weird when I'm trying to say this: seven through 15. Here's an excellent set of ...
*March 11, 2007 by Draco*

**C programming, not C++**

design and implement such a function and use it in a program called part3.c that allows someone to enter two real numbers and an epsilon value (also a real number) and reports if the two numbers are equal (+/- epsilon) or not. If you were asked this question, how would you try...
*April 16, 2008 by apoorva*

**Algebra 1**

what is the equations "The sum of two numbers is 75. The first is 9 more than 5 times the second. Find the first number?" What is the equations "Jack's bowling score is 20 less than 3 times Jill's score. Thw sum of their scores is 220. Find the score of each?"
*December 9, 2011 by Bailey Davis*

**Algebra 2**

What is the maximum product of two numbers whose sum is 22? What numbers yield this product?
*January 18, 2012 by Peter*

**math**

use a number line to find the sum of the numbers. 1. 3 and 5 2. -6 and 3 i don't get this
*June 27, 2011 by lauren*

**geometry**

Jake rolls two standard number cubes. Find the probability that the sum of the roll is 10, given that both cubes rolled odd numbers.
*May 23, 2014 by Plz help*

**math, algebra**

How do you solve the following: Directions:Factor Can you show me!!! (1) x^2-x-12 (2)x^3+2x^2-3x Here is how I do it. First make two sets of parentheses. ( )( ) The first in each set of parentheses must give x2. Obviously that is x and x. Looks like this. (x )(x ) The sign in ...
*December 12, 2006 by jasmine20*

**Chemistry**

The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum quantum number (§¤), ...
*October 29, 2012 by Anonymous*

**Math**

Make your own equation. 1. A number is 6 times another number. The sum of the two numbers is 56. @. Donna has twice as many coins as Cathy. When Donna gives Cathy 2 coins, they each have the same number. How many coins do they each have? Let the number of coins that Cathy has ...
*November 5, 2010 by Karen*

**Math**

The product of two consectuve even numbers is 360. Find the numbers. I tried this: x+(x+2)=360 2x+2=360 x=179, which would mean the numbers are 179 and 181, but those are not even numbers... How am I supposed to solve this?
*October 7, 2010 by Anonymous*

**Math**

Find the sum of the first 35 consecutive odd numbers. What is the sum of the first 350 consective odd numbers?
*June 13, 2012 by Linda*

**Programming**

I need your help to write a program using visual basic 2010 for the following:- write a program that calculates the average of up to 50 numbers input by the user and stored in an arrey. The program should use a class named Statistics and have an AddNumber method that stores ...
*May 13, 2011 by Solomon*

**math**

Aliquot divisors are all the divisors of a number except the number itself. The product of the Aliquot divisors of a number is somtimes equal to the square of the number. The Aliquot divisors of of 12 are 1 ,2 ,3 ,4 ,6. Their product,1x2x3x4x6=144=12*2 is the smallest number ...
*January 16, 2013 by Jeff*

**Math**

The first digit of two different numbers is in the hundreds millions place. Both numbers contain the same digits. Can you determine the greater of the two numbers and Explain.
*August 28, 2014 by Deborah*

**math**

Leah is throwing discs onto a board numbered 1 to 20. To win a prize she needs to hit two numbers whose product is 85 and whose sum is 22. what are the numbers?
*January 31, 2012 by Anonymous*

**Physics**

How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going in the opposite directions(horizontally) with thier tips touching each side of the object. **NOTE: there are no other numbers other than the mass. If...
*June 7, 2007 by Pamela*

**Math**

What are irrational, rational, and natural numbers? A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers.Every ...
*January 29, 2007 by John Christian*

**math ALGEBRA**

When the digits of two-digits numbers are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. What is the original number. Can some one please help me here? The tens digit is T, the units digit is U. The number ...
*December 21, 2006 by DANIELLE*

**algerba 1**

1. the sum of 3 numbers is 207. the 2nd # is 8 times the first, while the third is 3 less than the first. find the #s. 2. the sumof 3 numbers is 161. the second number is 6 times the first, and the third is 5 more than the second. find the #s. Thanks so much!
*April 20, 2013 by kelly*

**Math**

Mark read that the ancient Greeks use to arrange pebbles to represent numbers. He used square on a grid instead of pebbles to model both triangular and square numbers How can you divide a square number into q two triangular numbers? (6 triangular number) and (9 sqaure)
*September 11, 2011 by Roxane smith*

**math**

my number is a multiple of 5, but doesnt end in 5, the prime factorization of my number is a string three numbers, two of the numbers in the prime factorization are the same, my number is bigger than the seventh square number
*October 6, 2010 by Anonymous*

**algebra**

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The sum of two numbers is 36. Their difference is 4. Determine the two unknown numbers.
*July 7, 2012 by keith*

**statistics**

The probability that a person has an unlisted telephone number is 0.15. The district manager of a political action group is phoning people urging them to vote. In a district with 416 households, all households have phones. What is the probability that the district manger will ...
*August 10, 2011 by Joy*

**algebra**

question The square root of a negative number is imaginary. That is you cannot find, for example, sqrt(-49) . Why? my answer Yes you can, however this is aginst the normal operations non teh less we are dealing with iminiganary numbers so, as such the square root of a ...
*June 30, 2008 by tony*

**MATH**

Given the GCF or LCM, what else do you know about each pair of numbers? a) Two numbers have GCF of 2. b) Two numbers have an LCM of 2. Please and thankyou!
*September 13, 2010 by Vanessa*

**Math**

Using only the digits 2,3,5 and 7 complete the following problems below. 1.Name two things that the numbers 2,3,5,7 have in common 1.All prime numbers 2.What is the smallest possible number that can be written using each of these digits only once? 2357? 3.Using the 7 in the ...
*August 28, 2013 by Jerald*

**math**

i am a 3 digit number,my middle number is double the other two which are square numbers,what is the number
*December 25, 2012 by chris*

**math **

Using only the numbers 8, 1, 4, 7, & 3, the product of 2 two digit numbers plus a number is 3,355?
*September 6, 2011 by Anonymous*

**Math - please check**

1.Find the median of these numbers: 3, 8, 4, 16, 10, 12 Wouldn't the median be 9? 2. Find the mode of these numbers: 1, 2, 1, 5, 3 Wouldn't the mode be 1? The median would have equal numbers of entries above and below. 9 is correct The mode is the number that occurs most often...
*February 28, 2007 by Shyanne*

**math**

One number is eight more than twice another. If their sum is decreased by nine, the result is fourteen. Find the numbers....smaller value and larger value
*December 17, 2011 by latesha*

**math**

Matt has a magic number basket. The only numbers that can be placed in the basket are numbers that have two, three, or four digits, all the digits must be odd, and the digits must increase from left to right. How many numbers can Matt place in the basket? a.25 b.35 c.30 d.20 e.15
*March 3, 2012 by Miep*

**elementry math**

The product of two numbers is 180. The LCM of the two numbers is 60. What is the GCF of the numbers? Explain how you know.
*June 22, 2009 by chandice*

**Math**

Express the number 25 as a sum of two nonnegative numbers whose product is as large as possible.
*June 21, 2011 by Sandhya*

**math**

rewrite the expressions as a number times the sum of two numbers withe no common factors 7+14
*October 2, 2013 by calvin*

**math**

Looking at a table of numbers and there is a pattern starting with the number 501, then shaded numbers every 8th number starting with 509. How do I use place value to describe how the numbers change?
*February 13, 2012 by Jordan*

**algebra**

In the magic square shown (I'll type it out), the sum of the numbers in each row, column, and diagonal are the same. Five of these numbers are represented by v,w,x,y, and z. Find y + z. Here's what the magic square looked like. I'll type semi-colons to seperate each "square." ...
*February 25, 2009 by Anneliese*

**Calculus**

Find two numbers such that the sum of the first plus three times the second is 600 and their product is a maximum. x + 3y=600 xy is a max. This is the problem statement. let U be the function equal to xy. U=xy = y(600-3y) Now, maximize U (take derivative, set to zero), and ...
*September 30, 2006 by Tezuka*

**Pre-Algebra**

One edition of Alice's Adventure in WonderLand has 352 pages.How Many 4's were used in the number of pages? The answer I came up with was 356. Please and thank-you Ok, how many page numbers have one four in them and how many have two in them. Of course, none have three fours, ...
*September 3, 2006 by Bowier4*

**math(adding mixed fractions)**

please help me with (addition mixed fractions)i cant get it!!! ---addition with mixed numbers--- 1.which of the following is not true for adding mixed numbers? A.the denominators of the fractions must be the same in order to add them. B.you can add mixed numbers by changing ...
*December 1, 2013 by matt*

**5th grade math parent**

Hi the problem reads.......give an example that shows how to use.the distributive property to multiply a number by a sum. All of the numbers you use should be mixed numbers or fractions.........PLEASE HELP!
*November 12, 2013 by Sara*

**Algebra II**

7. How many different signals can be made by displaying six flags, all at a time, on a flagpole, if three are white, one blue, one red, and one yellow? -- Here, I thought you could to 6! to equal 720 possible combinations, but my teacher marked this problem wrong. 14. Two dice...
*December 15, 2008 by Emily*

**computer science programming**

Elements – sequence-series outputting Write a program that prints the following elements: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, (hereto referred to as elements) etc., up till a user-entered value. The program should not print more than 10 numbers per line. The last line printed ...
*October 9, 2014 by OLEBOGENG HERRY*

**Algebra**

Two positive numbers differ by 11. When the larger number is divided by the smaller, the quotient is 2 and the remainder is 4. what are the numbers
*February 28, 2014 by Jay*

**years**

How many years is 140 CE to 1543?? That depends on whether you mean 1543 CE or BCE. If it's 1543 BCE, then you add the two numbers. If it's 1543 CE, then you subtract the larger from the smaller. =) A slight correction here: If it is 1543 BCE, then you add the two numbers and ...
*September 5, 2006 by Charlotte*

**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.
*February 1, 2010 by ssmomo*

**math**

The Fibonacci sequence of numbers begins 1,1,2,3,5,8,13,21,34,55,…and continues by the rule: every number is the sum of the two previous numbers. a. Determine the next five (eleventh through fifteenth) elements of this sequence. b. Compute the ratio of the fourteenth and ...
*March 7, 2010 by bill*

**math**

Can someone help me figure this out. The difference of two numbers is 80. The second is 8 less than 5 times the first. What are the two numbers? first write an equation 5x-8=y and then solve it Tiff gave you part of the solution. 5x-8=y However, there is the other equation. x...
*May 7, 2007 by jessica*

**Algebra**

You have a very messy sock drawer with 3 blue socks, 5 black socks, and 1 white sock. You pick two socks from the drawer. You pick a second one without replacing the first one. Find each probability. 1) Probability of picking 2 blue socks 2) Probability of picking black than ...
*June 2, 2008 by Bailey*

**how to understand this**

design and implement such a function and use it in a program called part3.c that allows someone to enter two real numbers and an epsilon value (also a real number) and reports if the two numbers are equal (+/- epsilon) or not. If you were asked this question, how would you try...
*April 16, 2008 by apoorva*

**algebra1**

One number is 6 less than another. If 10 times the smaller number minus 4 times the larger number is 12, find the two numbers.
*April 12, 2008 by deshaun*

**Math**

I am 55, my motherlaw is 70, my friend is 40. How do I figure out the LCM and the GCF. My home assignment is listed as= List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger...
*January 25, 2011 by melvin*

**math**

Ayan created these clues to discribe her numbers.She used each of the 10 digits 0to 9 once to make the two numbers. It is between 52000 and 2000. there is a 2 in the tenth place. the sum of the digits is 23
*September 12, 2012 by alban*

**math**

What two numbers have a product of 3.6 and a sum of 3.8?
*December 13, 2010 by william*

**Algebra**

what two numbers have the product of -78 and the sum of -3.
*February 28, 2013 by Amy*

**Math**

What two mixed numbers have the sum 3?
*May 7, 2013 by Anonymous*

**Stats**

You are allowed to choose four whole numbers from 1 to 10 (including 1 and 10). You can only choose each number once though. Which of the following statements is FALSE? A. The numbers 4, 5, 6, and 7 have the smallest possible standard deviation. B. The numbers 1, 2, 3, and 4 ...
*January 20, 2012 by Nikki*

**math**

a 3 digit, and 1 digit number have a sum of 147, a different of 133 and a product of 980. find the numbers, and then give their quatient.
*March 5, 2009 by sam*

**Mathematics - Cardinal Number**

Hi, This is a really easy question. I think I am analyzing it too much: Find the cardinal number of the following set: {1,3,5,.....1001} Thanks in advance. Ok, the cardinal number is the numbe of members of a set. The set you've given us the first xxx odd numbers. Hint:{1} is ...
*September 12, 2006 by Krisy*

**math**

Something plus something equals 97 You have many combinations of whole numbers that answers your question. 1 + 96 2 + 95 3 + 94 etc, etc. or -- x + y = 97 There are 48 pairs of numbers that sum to 97. Do you have another constraint that would identify the unique answer you ...
*August 29, 2006 by Lindsey*

**Math, grade 10**

Two numbers add to 18. If you square the larger number and add 6 times the smaller number you get 163. What are the numbers. Solve with quadratic equation?
*May 26, 2014 by Lorrie*

**Maths**

In how many whole numbers between 100 and 999 is the middle digit equal to the sum of the other two digits?
*September 18, 2012 by Biscuit*

**Math**

What are Fractions? Numbers equal to one integer divided by another integer. Integers are whole numbers, like 1, 2, 3 etc. Fractions are numbers like 2/3. These numbers are solutions of equations that don't always have a solution in terms of integers. The equation 2x=4 has the...
*December 29, 2006 by Rano*

**Discreet Mathematical Structures**

Use proof by contraposition to prove the following statement: If A is the average of two positive real numbers then one of the two numbers is greater than or equal to A. Proof. Domain: positive real numbers P: A=(x+y)/2 Q: x is greater than or equal to A or y is greater than ...
*October 7, 2010 by Anna*

**Math**

I know the answer to this question, but I want to find a simpler way of doing it... ---Find the sum of the counting numbers from 1 to 25 inclusive. In other words, if S= 1+2+3+...+24+25, find the value of S. Thanks!!!!!
*April 21, 2009 by Sahana*

**math**

let s= the sum of all even numbers from 2 to 10 {including 2 and 10} Let t= the sum of all odd numbers from 1 to 9 z{including 1 and 9.. find s-t
*February 20, 2008 by KIRA*

**math**

what is my number? Clue 1 My number is a multiple of 5,but it does not end in 5. Clue 2 The prime factorization of my number is a string of three numbers. Clue 3 Two of the numbers in the prime factorizations are the same. Clue 4 My number is greater than the seventh square ...
*September 12, 2010 by gary*

**Math**

1,6,3,7,9,4,5,7=17 only plus or minus can be out in between the numbers and they must stay in the order shown EX. 1-6+3-7+9-4+5+7=17 It must equal 17 Here's a hint. Add all the numbers up first, then see what number needs to be subtracted in order to get 17. Then find a ...
*September 6, 2006 by Chalese*

**math**

The sum of the page numbers on the facing pages of a book is 457. Find the page numbers?
*November 15, 2010 by dc*

**computer science**

i have two numbers... 1564656 1981676 i want to check if the first and the last number from a string of these numbers are the same or not...how would i do that. how would i just compare the first and a last number and ignore the other numbers in this string? my code so far... ...
*October 16, 2011 by gaurav*

**Stats-Probability**

Would really urgently appreciate answers to these questions. Thanks. 3. Suppose that two lotteries each have n possible numbers and the same payoff. In terms of expected gain, is it better to buy two tickets from one of the lotteries or one from each? 4. A random square has a ...
*July 13, 2006 by Johnny*

**advance algebra**

The sum of two numbers is 103, the larger number is 1 more than 5 times the smaller number. use x=smaller number y=larger number
*January 19, 2011 by A-D*

**Computer - Programming**

Please do help in providing solution to this question, thanks: Write a Fortran program that requests for three numbers from the keyboard, subtracts 48 from their sum and then divides the result by 6 before sending the output to the screen.In the input statement, let the ...
*April 12, 2007 by Febby-1*

**4th grade**

what are two numbers that have the quotient of 2 and the sum of 14
*October 29, 2009 by nuthing*

**3rd grade**

What two numbers have the sum of 16 and the difference of 6?
*November 11, 2010 by Lynika*

**Math plz fast i really need it**

Archie rolls two number cubes each with sides numbered 1 through 6 he then finds the sum of the numbers on the tops of the cubes which two sums have the same probabillity? A. 3 and 4 B. 5 and 9 C. 5 and 8 D. 10 and 12 i need the work involved and i have another question The ...
*February 21, 2013 by Angel*

**ICT**

write an algorithm to find the sum of two numbers
*November 28, 2013 by ABUBAKARI*

**Math**

Mr. Digit wanted to assign a number to each student in his class. He could only use the digits 2,3,and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated digits are allowed? Will there be any extra numbers?
*December 10, 2009 by fko*

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