Friday

July 25, 2014

July 25, 2014

Number of results: 115,442

**algebra**

true or false 1. fraction cant be written as decimal. 2. natural numbers are referred to as counting numbers.whole numbers consists of counting numbers.whole numbers consist of counting numbers as well as the number 0 3. intergers do not include negative numbers. 4. ...
*August 31, 2008 by samanthast*

**Discrete Math**

You have two decks of 26 cards. Each card in each of the two decks has a different letter of the alphabet on it. You pick at random one card from each of the two decks. A vowel is worth 3 points and a consonant is worth 0 points. Let X = the sum of the values of the two cards ...
*November 15, 2011 by Martin*

**Math**

HOW WOULD I SOLVE SOMETHING LIKE THIS, IT IS AN EXAMPLE I MADE UP. ITS SIMILAR TO THE ONE I HAVE. I DONT GET IT. THERE ARE TWO UNKNOW VARILABLES AND SOME NUMBERS. HOW DO I POSSIBLE SOLVE THIS. MAYBE I DONT HAVE TO SOLVE ANYTHING THAT IS WHAT I WAS THINKING. QUESTION: 2x^2-10x/...
*February 1, 2007 by Sammy*

**Algebra 2**

Three whole numbers, when added two at a time, have sums of 763, 1003, and 1064. Compute the largest of the original three numbers. I have no idea how to do this..HELP PLEASE?
*November 30, 2010 by Mary*

**Math**

If the average of 10 numbers is 10 and the sum of five of the numbers is -25 what is the average of the other 5 numbers?
*August 7, 2012 by Grace*

**math**

The greater of two numbers is 1 more than twice the smaller. Three times the greater exceeds 5 times the smaller by 10. Find the numbers. The second of three numbers is 1 less than the first. The third number is 5 less than the second. If the first number is twice as large as ...
*October 5, 2008 by delaney*

**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!**

The sum of two prime numbers is the prime number 89,563. Find the smaller of the two addends. I attempted the problem but I'm not sure if it is right. 89,561 is a prime number and so is 2. So is the answer 2?
*May 6, 2011 by Lee*

**algebra & trigonometry**

The sum of three whole numbers is 7. The second number is 1 more than the twice of the third number. The sum of first and third number is 3 less than the second number. Find all the three numbers. Thanks
*February 9, 2014 by daniel*

**algebra & trigonometry**

The sum of three whole numbers is 7. The second number is 1 more than the twice of the third number. The sum of first and third number is 3 less than the second number. Find all the three numbers. Thanks
*February 9, 2014 by daniel*

**math**

i can't figure out this problem. the GCF of two numbers is 479. one number is even and the other number is odd. neither number is divisible by the other. what is the smallest that these two numbers could be?
*October 17, 2008 by jennifer*

**computer programming**

Develop a menu-driven program that inputs two numbers and, at the user's option, finds their sum, difference, product, or quotient.
*February 7, 2014 by Georgette*

**math**

problem> mystery numbers: Bob is thinking of 2 numbers their sum is 26. their product is 165. what numbers is bob thinking about?
*October 3, 2011 by rachel*

**8th grade math URGENT**

1 1/4 miles in 2 min and 4 seconds, or 1 3/16 miles in 1 min and 55 sec. Which is greater? $1.60 for 5 min or $19.50 for 1 hour. Which is greater? 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 ...
*September 8, 2013 by help!!*

**algebra**

How do you factor numbers? 2x squared + 5x-3 for instance? 2x^2 + 5x -3 Make two sets of parentheses. ( ) ( ) The first number in each set must be such that the product will be 2x^2. Obviously, that must be 2xand 1x so put them in. (2x )(x ) The next thing in the set is the ...
*October 17, 2006 by Marie*

**Please can you help me (Probability)**

Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and the sum of the numbers that turn up is found. If the sum is seven, then Maria wins $5. Otherwise Maria loses her money. a) Please can you Construct ...
*April 19, 2012 by Fakaapo. Suetusi*

**math**

what are two whole numbers whose product is 1224 and whose sum is 70
*September 18, 2008 by amanda*

**math**

what are two whole numbers whos product is 1,224 and whos sum is 70
*October 26, 2009 by mary*

**math**

find two numbers whose product is N^2 and whose sum is a minimum
*February 14, 2011 by cheryl*

**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*

**Financial Literacy**

Terry and Sandra both found the sum of two 4-digit numbers, but their results were not the same. If Terry made an error of addition by one in the thousands column and Sandra's result was correct, what was the difference between the larger result and the smaller result? A. 1000...
*May 15, 2013 by Tifini*

**math **

What two numbers are we ? Our quotient is 19 and our sum is 100.
*April 18, 2011 by Jamie*

**math**

two 6 sided dice are rolled.what is the probability the sum of the 2 numbers on the dice will be 4 Is 1/3 right?
*October 27, 2009 by rency*

**Math**

Find two numbers with a sum of -8 and a difference of 4. Let x be the greater number and y be the lesser number?
*February 15, 2011 by Help *

**Math**

Find two numbers whose difference is 16, and the sum of whose squares a minimum.
*August 20, 2012 by Anonymous*

**algebra**

2. The sum of both digits, of either of two two-digit numbers, in whatever order the digits are written, is 9. The square of either of the digits of either number, minus the product of both digits, plus the square of the other digit is the number 21. The numbers
*February 14, 2014 by Anonymous*

**Math**

using the numbers 24-12-7-2...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help.
*September 11, 2008 by Bud*

**Probability PLEASE HELP**

Tina randomly selects two distinct numbers from the set {1, 2, 3, 4, 5}, and Sergio randomly selects a number from the set {1, 2, . . . , 10}. The probability that Sergio’s number is larger than the sum of the two numbers chosen by Tina is ?
*November 24, 2011 by maria*

**math**

Consider the following sums of numbers and how they are formed: 1 odd number } 2 odd numbers 678 3 odd numbers 64748 Predict the following sum and complete the generalization: a. 1 + 3 + 5 + 7 + 9 + 11 = ? b. 1 + 3 + 5 + Á + (2n - 1) = ?
*January 20, 2010 by Ty*

**college-Intermediate Microeconomics**

The Lump Sum Principle In the 1980s Margaret Thatcher was the British Prime Minister. She was very popular and eective until she pushed for the idea of a so called lump-sum tax. The lump-sum tax is one in which every citizen pays a single xed payment. Consider the scenario, ...
*October 8, 2008 by Derek*

**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*

**calculus**

Find two positive numbers whose product is 100 and whose sum is a minimum.
*May 20, 2012 by :)*

**Math [urgent]**

1. The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the number. Find the three numbers. ~~~~~~ 2. Two friends live 15 miles apart. One day they decide to jog and meet each other. Tanya ...
*September 24, 2009 by Jessica*

**Ficonacci puzzles**

Take any Three consecutive fibonacci numbers: multiply the outer Two numbers, Squre the inner one. Do this At Least 6 times. What conjecture can you make?
*February 16, 2014 by Mfundo*

**Choosing Numbers That Sum to 50**

What is the largest possible integer that can be chosen as one of five distinct positive integers whose average is 10?
*April 1, 2013 by please help me out!!*

**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*

**math**

gcf of 3 numbers are 9, sum is 90, what are the numbers?
*October 18, 2010 by John*

**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*

**Accounting **

you have just won the National Publisher's Sweepstakes. You have two options, you can receive ten, $500,000 semiannual payments starting today, or you can take your winnings in a lump-sum payment now based on 7% annual interest rate. Determine the equivalent lump-sum payments?
*July 4, 2011 by Jessica *

**math**

Can someone help me with prime and composite numbers? Prime numbers are counting numbers that can be divided evenly bt only two numbers:1 and themselves. A prime number can also be described as a counting number with exactly two factors, 1 and itself. So, 1 because it has only...
*October 24, 2006 by haylo*

**Math**

using the numbers 24 12 2 7...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help. I have tried every combination i can think of the closest i have come is 22 or 26
*September 11, 2008 by bud*

**math**

The LCM of two numbers is 51. Both numbers are greater than 1 and both numbers are prime. What are the two numbers?
*September 30, 2013 by sam*

**Math**

Suppose you play a game in which two fair standard dice are rolled. If the numbers showing on the dice are different, you lose $2. If the numbers showing are the same, you win $2 plus the dollar value of the sum of dice. Complete the next table, in which the values in the ...
*April 18, 2010 by Hannah*

**Math- Probability **

Two regular dice are rolled. what is the probability that the sum is even, given that both numbers are odd?
*June 6, 2012 by G*

**Math**

Find all the three digit numbers where the sum of of the first two digits equals the third digit.
*December 17, 2012 by Theresa*

**probability**

I am lost. How do I figure this out? I know there are 2 ways to get the sum of 5 but do I count it backwards too? 1+4 4+1. How do I know how many sums? Joe rolled two fair number cubes that have faces labeled 1 to 6 each. He rolled the two cubes 180 times. According to the ...
*May 27, 2014 by MAGGIE*

**college problem solving**

a certain two-digit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the number is increase by 27. fin the original two-digit numbers
*November 24, 2013 by luckybee*

**math**

there are two 1's,two 2's,and two 3's.There is one digit between the two 1's, there are two digits between the two 2's, and there are three digits between the two 3's. Holding number cards,can you duplicate this sequence of numbers?
*March 17, 2010 by CeCe*

**math**

a pair of dice is rolled. what is the probabilty of each of the following? a. the sum of the numbers shown uppermost is less than 5. b. at least one six is cast.
*April 15, 2014 by Dee*

**math**

to win 1 million dollars,you must draw two cards whose sum is 9 , from a stack of cards numbered 1 though 10 .After the first draw, you replace the card and shuffle the stack again for for the second draw. Wat is the chance your two cards will have a sum of nine?
*March 3, 2010 by holly*

**Algebra/Number Theory**

In a sequence of four positive numbers, the first three are in geometric progression and the last three are in arithmetic progression. The first number is 12 and the last number is 452. The sum of the two middle numbers can be written as ab where a and b are coprime positive ...
*July 23, 2013 by John Berkhamp*

**college math**

a pair of dice are rolled and the sum is recorded. What is the probability that the sum shown is 8 given that one die is showing 5? Is this done correctly? P(8|5)=1/6 x 1/6= 1/36 I really just want to make sure I have done this the right way!
*November 18, 2009 by Lauren*

**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**

as well as addition,subtraction,division and multiplication.Sally invents the operation Q. when you see Q between two numbers,you double the sum of their squares. The value of 5Q12 would be ?
*November 10, 2012 by wan*

**math**

2. Find two consecutive prime numbers less than 40 such that the sum of their opposites -5. 3. Insert plus (+) or minus (-) on the digits 1 to 9 asshown to obtain 100. 1 2 3 4 5 6 7 8 9. How many can you form?
*June 30, 2014 by tsunayoshi*

**Math**

Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and the sum of the numbers that turn up is found. If the sum is seven, then Maria wins $5. Otherwise Maria loses her money. a) Construct Maria’s ...
*April 19, 2012 by Koia*

**Mathematicas**

To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of nine? I have to use ...
*January 28, 2010 by Ana*

**Math**

The average of 7 numbers is 30. the average of the first to the fourth numbers is 32, the average of the third to the seventh numbers is 27. What is the sum of the third and the fourth numbers? I want the answer please.
*November 8, 2012 by Ryda*

**MATH Help!**

Can some one help?? A class elects two officers, a president and a secretary/ treasurer, from its 12 members. How many different ways can these two offices be filled from the members of the class? ALSO**************** Five numbers are to be picked, without repetition, from 44 ...
*May 19, 2010 by Lisa*

**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**

Tens and hundred digits are equAland ones and thousands have a sum equal to one of the middle digits the entire digit sum is 21 what year was it made in
*November 13, 2012 by G*

**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**

Find two numbers whose sum is 50 and whose difference is 6. So I'm going to set up a system of equation. x + y = 50 x - y = 6 And I got x = 28 y = 22 Correct?
*September 17, 2009 by Chopsticks*

**Math**

make a conjecture for the following show work the sum of an even and odd number. - the product of two odd numbers.
*September 15, 2011 by Geometry Help!!!!*

**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*

**MAT126: Survey of Mathematical Methods **

All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion: 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 ...
*December 20, 2013 by sheila*

**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*

**math**

I am a positive integer less than 100. two more than my value is a multiple of 6. the sum of my digits is a multiple of 7. I must show all my work This kind of problem can't be solved by writing and solving one or two equations. You have to use "trial and error" to see what ...
*March 22, 2007 by steph*

**Math(Please Check Again)**

25-x^2 6x^2 ------ * ------ 12 2x *I got: 5-x/2 No. Try again. Can you tell me what I did wrong please.? You have to factor the numerator, you should have two factors for the first, and one for the second. In the denominator, you will have 24 x. I think the x divides out, and ...
*February 21, 2007 by Margie*

**math**

describe the pattern then find the missing numbers _, _,27,38, 49, 60 I see a difference of 11 between the numbers in the pattern. What do you think the first two numbers are? the numbers are 5 and 16 Right! Good job! :-)
*August 15, 2007 by cheyenne*

**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**

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*

**Algerba II**

Hi Do decimals such as 2.718 represent rational numbers or irrational numbers. Explain. Do repeating decimals such as 2.3333 . . . represent rational numbers or irrational numbers? Explain. So I look back in my textbook and find rational numbers (e.g., 4/5, -2/3, 7.31, -5, ...
*August 26, 2008 by Algerba II*

**math**

The distance between two numbers on a number line is 6 units. One number is 5. What are the possibilities for the other numbers. A. -1 and 11 B. 0 and 5 C. 0 and 10 D. 5 and 11 Is the answer d
*October 23, 2012 by taliah*

**discrete math**

use a direct proof to show that the product of two odd numbers is odd. Proofs: (all the nos. i used are odd) 3 x 3 = 9 5 x 9 = 45 7 x 3 = 21 Yes, but you didn't prove the statement for "all" odd integers, only the odd integers you selected. uhm..he didn't ask for *all* odd ...
*September 27, 2006 by audryana*

**math**

kylie answered my question but did not go into detail how to solve the problem. Here's the problem I need help with. Given two numbers whose sum is 56. Six times the larger is 72 more than 5 times the smaller. Find the numbers. I need to know step by step how to solve this ...
*February 23, 2013 by Traci*

**Math**

question 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? question 2: For the rule of 78, for a 12 ...
*January 26, 2010 by Nikki*

**mathematics**

Question # 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? Question # 2: For the rule of 78, for a 12 ...
*January 27, 2010 by Nikki*

**Probability**

Two cubes are rolled .both cubes are labelled 1 to 6.the number rolled are added. What is the probability of each out come ? a) sum is 12 B)the sum is less than 4. C)the sum is 7. D)the sum is 2.
*May 29, 2012 by Sam*

**Probability **

Two number cubes are rolled .both cubes are Labelled to 6. The numers rolled are added . What is the probability of each outcome? A) the sum is 12. B) the sum is less then 4. C) the sum is 7. D) the sum is 2.
*May 29, 2012 by Sam*

**math**

The t-shirts for the fundraiser will cost $4.00 to make and there is a $25.00 delivery fee. There are two sized wristbands; a large one that will cost $5.00 to make, and a small one that will cost $3.00. 1. Write an expression to represent the student council's total cost of ...
*June 2, 2014 by anonymous*

**Math**

One number is 9 more than another number. If the product of the two numbers is -20, find both numbers.
*March 17, 2008 by Ben*

**science**

an oxide of arsenic = 0.927g 76% arsenic and 24% oxygen calculate the mass of oxygen that combines with one mole of arsenic atoms to form the oxide of arsenic. How many moles of oxygen atoms does this mass represent? Posted by Kirsty on Tuesday, February 6, 2007 at 3:50pm. an ...
*February 6, 2007 by Kirsty*

**statistics**

using the numbers only 0 through 10 only whole numbers with repeats allowed pick four numbers that would have the smallest standard deviation I said four zeros pick four numbers that would have the largest standard deviation I said 0 0 0 10 is there more than one correct ...
*July 28, 2009 by statistics*

**math,help**

okay Directions: find the following squares. Problem: ((w)-(1)/(4))^2 I have no idea how to even start. First, FOIL the numerator and then square the denominator. Let me know what you get. (-1w^2)/(4w^2) is this what you mean? No :) Your numerator is w-1. Your denominator is 4...
*January 24, 2007 by Jasmine20*

**math**

How many different integers can be expressed as the sum of three different numbers in the set (1,2,3,4,5,6,7)? Can anyone explain this one to me??? Thank you!
*September 19, 2009 by Michael*

**Algebra**

What is the sum of all integer values of n satisfying 1 \leq n \leq 100, such that n^2 - 1 is a product of exactly two distinct prime numbers?
*March 26, 2013 by Jack*

**algebra 2**

Find two negative numbers such that the sum of their squares is 170 and twice the square of the first minus 3 times the square of the second is 95
*April 15, 2013 by aaron*

**math**

how do i go about solving the follwoing problem: using the digits 1 to 9, arrange the numbers in three groups so that the sum is the same in each group. Is there more than one way to do this?
*October 23, 2007 by Gray*

**math**

tha sum of two number is 25 times tha difference between these two numbers.if 75%of smaller number is 18 what is tha other number.
*May 27, 2011 by shweta*

**Computer Programming**

Java Programming Question: basically want to keep the user in a loop that displays the menu and requests a user choice again and again until the user enters choice option 0 and exits the program. When Option 1 is chosen, I want to ask the user, "How many numbers to add?" After...
*March 27, 2008 by Jean*

**4 grade**

To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of nine?
*January 27, 2010 by Anonymous*

**math**

To win $1 million, you must draw two cards whose sum is nine, from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance your two cards will have a sum of nine?
*December 8, 2011 by angel*

**math (data management)**

How many n-digit decimal sequences (using digits 0-9) are there with k 1s? I'm not entirely sure what you question is asking, but I'll take a guess. You have n digits and k 1's with k<n There are n choose k ways to arrange the 1's in your number. You now have n-k places to ...
*October 15, 2006 by Sana*

**math**

When two die are tossed,throwing a sum of 7 is three times more likely than throwing a sum of 11.if the probability of throwing a sum of 11 is 1:18,what is the probability of throwing a sum of 7?
*May 2, 2012 by Cherie*

**math**

To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of nine? Please help me...
*January 27, 2010 by An*

**Precalculus**

The 8th term in an arithmetic sequence is 5, and the sum of the first 10 terms is 20. Find the common difference and the first term of the sequence. Alright so in an arithmetic squence the difference d between any two successive numbers is constant. So if the first term is x, ...
*January 20, 2007 by Trudy*

**math**

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. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed by name and age. Make ...
*July 20, 2011 by trenda*

**math**

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. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed by name and age. Make ...
*August 16, 2011 by leslie*

**math**

Does anyone know how to explain mean, median, mode and range mean?? mean-the average of a group of numbers median-the number that is in the middle in an in order group of numbers mode-most common number in a group of numbers range- the difference or interval between the ...
*September 20, 2006 by Callie*

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | **7** | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>