Number of results: 5,662
Math
If someone made a five digit number with 0,3,5,8,and 9. The number is bigger than 39 and smaller than 53 The thousandth digit is 3 times the tenth digit. What is the number? Bigger than 39 and less than 53 means 50. Now the decimal. The thousdnad digit is 9, tens 3. Check that...
Monday, August 22, 2005 at 4:37pm by Danial Dunson
math
The problem would be easier to solve if you would break it up into capitalized sentences. What you have written is a run-on sentence that is difficult to follow. You should have written: The number uses every number 0-9. Each number is used only once. The fourth digit is 4. ...
Thursday, October 20, 2011 at 9:26am by drwls
math
The number uses every number 0-9 the numbers are used only once the fourth digit is 4 the first digit in the billions place is 3 the 5 is next to the last digit the sixth digit is 7 the digit after 3 is 9 the digit before 5 is 2the third digit is half the value of the eigth ...
Thursday, October 20, 2011 at 9:26am by Anonymous
Math
It is a 5 digit no. ,palindrome,divisible by 4,10 digit is cube root of 1 digit,product of 100 digit and 1 digit is 54 ,sum of hundred and ones digit is 15.what is the number?
Sunday, October 25, 2009 at 4:18pm by Pooja
11th grade math algebra 2 trig
There is no solution to your question the only possible cases of a two digit number where the tens digit is 6 more than the units digit are: 60, 71, 82, and 93 the numbers with the digits reversed would be 06, 17, 28, and 39 in each case the difference would be 54, never 36
Thursday, October 9, 2008 at 9:37pm by Reiny
Math
i am a 4 digit number between 3000 and 4000.My ones digit is twice my thousands digit.My hundreds digit is the same as my ones digit and my tens digit is one less than the hundreds digit.If the sum of my digit is twenty,what number am i?
Tuesday, June 5, 2012 at 7:59am by Anne
4th grade
i am a 5 digit number my tens digit is the sum of my hundreds digit and thousands digit. my tens digit is twice my ones digit.my hundreds digit is 1 more than zero.my thousands digit is seven times my hundreds digit.my ten thousands digit is the same as my ones digit.what is ...
Monday, September 13, 2010 at 6:04pm by luzia
math
i am a 5 digit palindromic number. My third digit is 5 more than my fifth digit , my fourth digit is 2 times greater than my first digit. The sum of my digit is 14 What number am i?
Saturday, September 15, 2012 at 12:50pm by amoura
math
i have a six digit question my 100 thousands is one less than my ones digit,eight greater than my thousands digit,twice my tens digit and four times my hundreds digit,my ten thousand digit is zero,what number am i
Thursday, January 7, 2010 at 4:08pm by alex
math
my thousand digit is half my ones digit.my houndreds digit is odd and divisable by three.the sum of my hundreds digit,tens digit and ones digit is the same as the sum of my hundreds digit and ones digit. the difference between my houndreds digit and ones digit is equal to my ...
Thursday, October 9, 2008 at 7:28pm by Anonymous
math
Consider the integer 345 = 3×100 + 4×10 + 5×1. 5 is the unit digit because it has the weight of ones. 4 has the weight of tens and 3 has the weight of hundreds. So, for unit digit of 7^x, we consider the first few values of x to see if ...
Sunday, June 13, 2010 at 4:43pm by Ariel
math
My thousands digit is twice my hundreds digit. The sum of my tens and ones digit is my thousands digit. My hundreds digit is 2 more than my tens digit. My tens digit is greater than 1 and less than 3. What 4 digit number am I?
Monday, September 29, 2008 at 9:46pm by becky
math
For the first digit, there are 9 choices (excluding 0, which does not make a 5 digit number). For the second digit, there are still 9 choices, since zero is in , and the first digit is out). Third digit: 10-2 choices fourth digit: 10-3 choices fifth digit: 10-4 choices. By the...
Thursday, April 21, 2011 at 6:09pm by MathMate
5th grade economics
i am a 4-digit number greater than 9000. My hundreds digit is twice than ny ten digit. My ones digit is greater than my tens digit. The sum of my digit is 20. What number am i?
Tuesday, September 14, 2010 at 7:07pm by bob
5th grade economics
i am a 4-digit number greater than 9000. My hundreds digit is twice than ny ten digit. My ones digit is greater than my tens digit. The sum of my digit is 20. What number am i?
Tuesday, September 14, 2010 at 7:07pm by bob
5th grade economics
i am a 4-digit number greater than 9000. My hundreds digit is twice than ny ten digit. My ones digit is greater than my tens digit. The sum of my digit is 20. What number am i?
Tuesday, September 14, 2010 at 7:07pm by Anonymous
math
*The number has 8 digits, none of the digits are the same. *It is evenly divisible by 10. *The value of one of the digits is 80,000 *The digit in the millions place is the largest 1-digit odd number. *The digit in the thousands place is 3 less than the digit in the millions ...
Tuesday, September 25, 2012 at 11:09pm by rod
math
i am a 4 digit number.my thousands didgit is 4 less than my tens digit.my hundreds digit equals the sum of my tens digit and my ones digit.my tens digit is 4 more than my ones digit.my ones digit is 1.what number am i?
Wednesday, August 10, 2011 at 8:46pm by yonny
4th grade math
I'm a 4 digit number with no 2 digits the same. My ones digit is twice my thousands digit and 1 less than my tens digit. My hundreds digit is the difference between my tens digit and my thousands digit. My thousands digit is an odd number less than 6. What number am I?
Tuesday, August 30, 2011 at 9:50pm by Britney
math
This is an SAT question of the day that I can't understand. The sum of the digits of a three-digit number is 12. If the hundreds digit is 3 times the tens digit and the tens digit is 1 over 2 the units digit, what is the tens digit of the number? Answer choices: 2 3 4 6 9
Saturday, March 29, 2008 at 12:30pm by Anonymous
algebra
what three digit number is less than 300 and the ones digit is 4 times the hundreds digit and the tens digit is 5 more than the hundreds digit and the sum of the digits is 17
Tuesday, December 7, 2010 at 7:06pm by Karen Nelson
Math
Write a number that has a hundreds digit less than 7, a tens digit less than 5, a tenths digit one more than its tens digit, a thousandths digit twice the tens digit, and other digits of your choice.
Sunday, September 30, 2012 at 1:16pm by Penny
Math
How do you write a number that has a hundreds digit less than 7 , a tens digit less than 5 ,a tenths digit one more than its tens digit , a thousandths digit twice the tens digit , and other digits of your choice?
Monday, October 3, 2011 at 4:49pm by Mhyree
math
The number has 8 digits none of the digits are the same 2. It is enemy divisible by 10 3. The value of one of the digits is 80,000 4. The digit in the millions place is the largest 1-digit odd number 5. The digit in the thousands place is 3 less than the digit in the millions ...
Wednesday, January 9, 2013 at 9:25pm by zb
Algebra
5/13 = .384615384615.. so the repeat is 384615 , namely 6 digits long 534/6 = 89 with Remainder 0 , making 534 a multiple of 6 so the 6th digit will be a 5 and the 12th digit will be a 5 and the 18th digit will be a 5 ... and the 528th digit will be a 5 and the 534th digit ...
Friday, May 6, 2011 at 3:47pm by Reiny
5th grade math
Lets let the one digit/ ten digit = "a" Ten thousand digit must be 4 or 5 (between 40001 and 59999) Ten thousand digit = 3(a+a) -1 = 3(2a) -1 = 6a-1 Try 4 4= 6a -1 5 = 6a 5/6 = a a= not an integer Try 5 5= 6a-1 6=6a a=1 Thousand digit = Hundreds digit / 2 Thousand ...
Sunday, August 22, 2010 at 10:49pm by Michael
4th grade math
Find the mystery number. It is a 4 digit odd number. All the digits are different. None of the digits are 0 or 9. The tens digit is twice the ones digit, and the hundreds digit is twice the tens digit. The thousands digit is one less than the hundreds digit.
Wednesday, September 19, 2012 at 7:31pm by Denise
Math
Just follow the description and fill it in "i am a 4 digit number between 3000 and 4000." So the number must be 3xxx "My ones digit is twice my thousands digit." so it must be 3xx6 "My hundreds digit is the same as my ones digit" so it must be ...
Tuesday, June 5, 2012 at 7:59am by Reiny
math
my tens digit is 5 more than my ones digit and 2 less than my hundreds digit.if the sum of my digit is 18.what number am i?
Wednesday, June 22, 2011 at 4:20am by mark
Algebra
i'm a 2 digit number. the sum of my digit Is 12.my tens digit is 4 more than my ones digit. what numberam i ?
Friday, November 2, 2012 at 4:39pm by Kevin
math
find the mystery number, it is a 4 digit odd number, all the digits are different, none of the digits are 0-9, the tens digit is twice the ones digit, and the hundreds digit is twice th tens digit. the thousands digit is one less than the hundreds digit?
Wednesday, September 19, 2012 at 7:06pm by Evelyn
4th grade math
Your hundreds digit = 1 ("1 more than zero"), so the thousands digit = 7. Then the tens digit = 1+7 = 8. Then the ones digit = 8/2 = 4. Can you take it from here?
Monday, September 13, 2010 at 6:04pm by PsyDAG
Math
i am a four digit number. all of my digits are different. my first digit is twice my fourth digit. my second digit is twice my first digit.my last digit is twice my third digit. the sum of my digits is 15. what number am i?
Monday, September 7, 2009 at 8:40pm by Nicholas
math
Who am I? I am a 4-digit number wih no two digits the same. My ones digit is twice my thousands digit. My hundreds digit is the diference between my tens and my thousands digit. My thousands digit is an odd number less than 6. I got one answer which was 3476. Ineed to come up...
Wednesday, November 16, 2011 at 9:53pm by smiley face
Math
in the multiplication: 39P * Q3 =32951 P and Q each represent a single digit. what is the value of P+Q? I may have missed something here, BUT IF the digit is 9, note that 39*9*3*9=9477 which is far short of 32951. And 9 is the largest single digit we have. SO, I think ...
Monday, February 19, 2007 at 12:53pm by Sarah
math
This is an SAT Question of the Day. The sum of the digits of a three-digit number is 12. If the hundreds digit is 3 times the tens digit and the tens digit is 1 over 2 the units digit, what is the tens digit of the number? The way the question is phrased is very confusing. ...
Tuesday, April 15, 2008 at 1:36pm by Anonymous
math-permutuation
a four digit serial number needs to be created using digits 0-9. first digit is even , no digit is repeated , last digit is odd
Wednesday, May 9, 2012 at 5:58pm by sarah
math
I am a 3 digit odd umber. my tens digit is one less than my hundreds digit but two more than my ones digit. The sum of my digits is 20. who am I?
Tuesday, January 10, 2012 at 7:13pm by lili
math
Ones digit = 1. Tens digit = 4 + 1 = 5. Hundreds digit = 5 + 1 = 6. Thousands digit is= 5 - 4 = 1. The # is 1651.
Wednesday, August 10, 2011 at 8:46pm by Henry
Math
Iam a 5digit number my tens digit is the sum of my hundreds digits and thousands digits my tens digit is twice my ones digit. My hundreds digit is 1more than zero.my thousands digit is seven times my hundreds digit.my ten thousands digit is the same as my ones digit.what is ...
Wednesday, October 17, 2012 at 10:14pm by Deja moore
Math
Adam --- x apples Bob ---- y apples x+39 = 2y or x - 2y = -39 2x = y + 39 or 2x - y = 39 the first equation: x - 2y = -39 double the 2nd : 4x - 2y = 78 subtract them: 3x = 117 x = 39 into the 2nd: 78 - y = 39 -y = -39 y = 39 They each picked 39 apples.
Sunday, May 12, 2013 at 10:38pm by Reiny
3rd grade math
52 is a 2-digit number. The digits are 5 and 2.If you subtract the smaller digit from the larger digit you will get 3.what [2-digit number] gives you the biggest difference when you subtract the digit. my anwser is 45.
Sunday, February 22, 2009 at 10:59pm by Carol
Math
Since the hundreds digit is zero, we just have to concentrate on the last two digits. let the unit digit be x then the tens digit = x+7 x+x+7 = 9 2x=2 x=1 the unit digit is 1, the tens digit is 8 and our number is 149081
Wednesday, August 31, 2011 at 8:13pm by Reiny
Math
What is the three digit mystery number? Clues: It is less than 300, the tens digit is 4 more than the hundreds digit, the sum of the digits is 9, the hundreds digit is 2 less than the ones digit.
Wednesday, January 9, 2013 at 11:04pm by Dylan
pre algebra
the hundreds digit is half the tens digit the sum of the hundreds and tens digit is 12 the ones digit is an odd square number not equal to the thousands digit
Thursday, August 30, 2012 at 6:32pm by Anonymous
math
The hundreds digit is half the tens digit. The sum of the hundreds and tens digit is 12. The ones digit is an odd square number not equal to the thousands digit.
Thursday, August 30, 2012 at 6:47pm by Anonymous
maths
Find the sum of all 3-digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of N+3. Details and assumptions The digit sum of a number is the sum of all its digits. For example, 1123 has a digit sum of 1+1+2+3=7. The number 12=012 ...
Thursday, March 21, 2013 at 6:34am by rohit
math
Mrs. Rossi wrote the following clus for a mystery 4-digit number. .The tens digit is twice the one digit .The hundreds digit is twice the ones digit. .The ones digit is 3. .The sum of the digits is 19. What is the mystery number? show the work.
Wednesday, November 17, 2010 at 6:55pm by gabriella
5th grade math
i am a number greater than 40,000 and less than 60,000 my ones digit and tens digits are the same. my ten thousands digit is 1 less tha 3 times the sum of my ones digit and tens digit my thousands digit is half my hundred digit, and the sum of those two digit is 9
Sunday, August 22, 2010 at 10:49pm by edgar
4th grademath
it is between 1 and 2 million.the first three digit are the same.the least possible digit is in the thousands place.the greatest possible digit is in the ones place.the hundreds digit is 1 more than the tens digit.the sum of the digits is 21.
Wednesday, October 22, 2008 at 8:41pm by deja
math
read the clues to find each number. it is a 7 digit number. it has a 0. the greatest digit is in the hundered thousands place. the value of the digit 1is i,000,000. the digit 6 stands for 6,000. the value of the digit 5 is 5 ones. the digit 8 has a value greater than 700 but ...
Thursday, September 6, 2012 at 6:08pm by Winnie
Math (Combinatorics)
How many 4 digit positive integers have the ones digit a multiple of 1, the tens digit a multiple of 2, the hundreds digit a multiple of 3 and the thousands digit a multiple of 4?
Monday, April 29, 2013 at 11:35am by Bob
math
i am a three digit number. my hundreds digit is three more than my ones digit.my tens digit is oneless than my hundreds digit. what numbers can i be?
Thursday, August 16, 2012 at 5:30am by steven g. rosario
maths
I am a three digit number. My tens digit is twice my ones digit, my hundreds digit is twice my tens digit. I am greater than 500. Who am i?
Sunday, February 17, 2008 at 12:18am by jesica
math
What mystery number has 8 digits; none of the digits are the same. It is evenly divisible by 10. The value of one of the digits is 80,000. The digits in the millions place is the largest 1-digit odd number. The digit in the thousands place is 3 less than the digit in the ...
Monday, April 16, 2012 at 7:15pm by Adonis
math
need help with math word problems. just don't understand. What is the number? you have a four digit number where the thousands digit is four greater than the hundreds digit.The tens digit is twice the thousands digit. The ones digit is half of the thousands digit. What is ...
Thursday, March 8, 2007 at 8:48pm by vince
4th grade math
it is a three digit whose ten digit is 3 its hundred digit is 4 more than its one digit, which is an odd number less than 5 no two digits are the same I need help on how to do this. too many years for mommy
Monday, September 3, 2012 at 1:00pm by daniel's mom
math
unit digit ---- x tens digit ---- x+7 x+x+7 = 9 2x = 2 x = 1 unit digit is 1 tens digit is 8 hundred digit is 0 number must be 149081
Thursday, September 6, 2012 at 6:08pm by Reiny
math
If two 3-digit numbers add up to a 4-digit number, the leading digit of the answer must be a 1, so C=1. Now take the tens digit, B+B=1, then B must be 0 or 5 when we consider the carry of 1 from the units digit. If A+C=A+1 from the units digit has a carry, then A=9. Since A+C ...
Tuesday, September 29, 2009 at 11:35pm by MathMate
singapore math
My 3rd grade son get this math problem. It states that John thinks of a 3-digit number. What is his number? Use the clues below to find John's number. Every digit is different. The sum of all thedigits is 19. The difference between the hundreds digit and the ones digit is ...
Sunday, November 4, 2012 at 1:49pm by lori
Digit Problems
If the tens digit of a two-digit number is subtracted from the units digit, the difference is 8. The number with the digits reversed is 10 more than nine times the units digit of the original number. Find the number.
Tuesday, February 1, 2011 at 8:23pm by samm
math
My hundredths digit is the product of 3 x 2. My tenths digit is the multiple of 3 that comes before the digit that is in the hundredths place. My thousandths digit could not be any greater. What number am I?
Thursday, November 1, 2012 at 9:01pm by Josh
math
i am a 3 digit number,my ones digit is twice my hundreds digit,when rounded to the nearest hundred i round to 500,my tens digit is less than 6,what number am i?
Thursday, September 27, 2012 at 1:26pm by mercy
math
I am a number between 75 and 150. My tens digit is three times my ones digit. The sum of my digits is 5. My hundreds digit and my ones digit are the same.
Tuesday, November 6, 2012 at 6:45pm by Derryn
Math
It is less than 300. The ones digit is 4 times the hundreds digit. The tens digit is 5 more than the hundreds digit. The sum of the digits is 17. What is the mystery number?
Thursday, September 27, 2012 at 1:28am by Gon
Math
It is less than 300. The ones digit is 4 times the hundreds digit. The tens digit is 5 more than the hundreds digit. The sum of the digits is 17. What is the mystery number?
Thursday, September 27, 2012 at 1:23am by Gon
algebra
For every positive 2-digit number, x, with tens digit t and units digit u , let y be the 2 digit number formed by reversing the digits of x. Which of the following expressions is equivalent to x-y? a. 9(t-u) b. 9(u-t) c. 9t-u d.0
Saturday, February 11, 2012 at 10:04pm by reena
4th grade
I am a number between 75 and 150 My tens digit is three times my ones digit The sum of my digits is 5 My hundreds digit and my ones digit are the same
Friday, October 8, 2010 at 8:56am by Anonymous
matha
my one digit is 4.my tens i 3 plus my ones digit.my hundredsdigit is 7 less than my thousands digit.my thousands digit is 8.what number am i?
Tuesday, June 28, 2011 at 10:25am by Anonymous
Math
Determine the digits of Y from these clues. The digits of Y add to 18. The first digit is 3 times the third digit. The second digit is 2 times the third digit. Y is a three digit number.
Tuesday, June 18, 2013 at 7:19pm by bob
math
use the clues to find the 7th digit mystery number. * it is between 7 and 8 million * it contains all of the digits greater than 1 and less than 8 * the hundred thousands digit is 3 * the ten thousands digit and the thousand digits are the same * the tens digit is greater than...
Friday, November 30, 2007 at 11:16pm by edwin
mystery number
What is the three digit mystery number? It is less than 300. The tens digit is 4 more than the hundreds digit. The sum of the digit is 9. The hundreds digit is 2 less than the ones digit.
Monday, October 3, 2011 at 4:23pm by camila
5th grade
I am a 3-digit number.My first digit is a square number.My last digit is 3* my second digit,which is my half my first digit.What am I.
Tuesday, October 6, 2009 at 8:44pm by David
math
i'am a four digit numeral between 3000 and 4000.My ones digit is 2 greater than my thousands digit. the two digits are the same. If the sum of my digit is, 20, what number am i in roman numeral?
Wednesday, November 7, 2012 at 4:58am by andrei
Math
i am a four digit numeral number between 3000 and 4000.My ones digit is 3 greater than my thousands digit.The two other digits are the same.If the sum of my digit is 20,what number am i?
Thursday, June 21, 2012 at 6:53am by Anne
Digit Problems
I am a 2 digit number. The sum of my digits is 12 . My tens digit is 4 more than my ones digit. What number am I ?
Tuesday, February 1, 2011 at 8:23pm by Hailey
Math
Im a digit less than 100. My tens digit is 5 more than my ones digit. My ones digit is 3 . What number am i?
Monday, January 3, 2011 at 1:04am by Isaias g
math
I am a 2-digit number. the sum of my digit is 15 my tens digit is odd my ones digit is even what number am i?
Thursday, October 22, 2009 at 6:30pm by mckenna
2nd grade reasoning
Explained: Look at the question: My tens digit is double my ones digit. I am less than 70 and greater than 60. what number am I? So 10’s digit is double my 1’s digit. 10's digit can only be in the range of 60 and 70, [61-69] So The 10's digit has to be 6 Read...
Thursday, October 14, 2010 at 6:49pm by Paul
math
ann wrote a three digit number. the digit inthe hendreds place is 4 less than the digit in the ones place. the digit in the tens place is two more than the digit in the ones place.the sum of the three digits is 16. what is the three digit number?
Monday, August 27, 2012 at 10:01pm by Maria
math
use the clues to find the 7th digit mystery number. * Its is between 1 and 2 million * the first three digits are the same the least possible digit is in the thousands place. *the greatest possible digit is in the ones place * the hundreds digit is 1 more than the tens digit...
Friday, November 30, 2007 at 11:06pm by edwin
math
it is a 6 digit number. there is no repetition of digits. It is divisible by 5 and is more than 3000,000. The digit in the hundreds place is 3 more than the digit in the ones place. The digit in the ten thousands place is 3 times the digit in the hundred thousands place. The ...
Tuesday, September 25, 2012 at 11:52am by joe
Math
Ones digit is 5, leaving 8 remaining to get 13. The other three digits must add to 8. To be twice the hundreds digit, the thousands digit has to be an even number, 8, 6, 4 or 2. With either 8 or 6, the hundreds number would be too large (4 or 3). So the thousands digit must be...
Wednesday, April 27, 2011 at 7:08pm by PsyDAG
math
I am a four digit number. My tens digit is a 0. My ones digit is an odd number that is less then my hundrads digit. If you multiply me by 5, the estimated produt is 20,000. What number am i?
Thursday, October 11, 2012 at 5:28pm by Anonymous
4th grade math
The ones digit is 1, 3, 5, or 7. The tens digit must be either 2 or 6. The hundreds digit must be 4. The thousands digit must be 3 3,421
Wednesday, September 19, 2012 at 7:31pm by Ms. Sue
word problem
the different between the digit of a two digit number is 1, the number it self is 1 more than 5 times the sum of its digits, if the unit digit is greater than the tens digit, find the number.
Monday, November 21, 2011 at 8:28pm by emma
word problem
the different between the digit of a two digit number is 1, the number it self is 1 more than 5 times the sum of the digits, if the unit digit is greater than the tens digit, find the number.
Monday, November 21, 2011 at 7:12pm by emma
Math- Problem solving
A number has 4 digits. The digit in the hundredths place us greater than the digit in the hundredths place of 4.361. The digit in the tousandths place is greater than the digit in the tenths place of 2.85. What are the possible four-digit numbers between 8.6 and 8.7?
Monday, March 4, 2013 at 5:26pm by Joelle
Math
Use the clues to figure out the six-digit decimal number. 1. It is greater than 3,000 and less than 3,200 2. All the digits are different 3. The digit in the undredths place isa multiple of 5. 4. The product of 5 and th digit in the ones place is 0. 5. The digit in the tenths ...
Thursday, October 11, 2007 at 5:07pm by Emily
Math
i am a three digit decimal whose digit in the tenths place is 4 times the digit in the hundredths place and 4 more than the digit in the thousandths place. who am i?
Thursday, November 8, 2012 at 7:33pm by Tiffany
Math
300/768=0.39. 0.39*100=39% Small=39% of large.
Tuesday, November 4, 2008 at 12:12am by Anonymous
Math
tens digit + ones digit = 11 tens digit = 3 + ones digit t + x = 11 t = 3 + x substitute: 3 + x + x =11 3 + 2x = 11 Solve for x which represents the one's digit. Then find the tens digit.
Wednesday, February 20, 2013 at 7:02pm by JJ
math
i am a 2 digit number my ones digit is greater than than my tens digit my ones digit is 4 times my tens digit the sum of my digits is 10 what number am i
Wednesday, December 12, 2012 at 9:44pm by Anonymous
Math
Solve the mathematical puzzle. Determine the digits of R from these clues. The first digit is the answer when the third digit is divided by 2. The second and third digits add to 7. The second digit minus the first digit is 1. R is a three-digit number: ____ I have never ...
Monday, April 29, 2013 at 2:33pm by Shawna Lynn
Math
You provide 7 digits and require a 10 digit number. So it is imperative to have repetitions. I will assume that any of the seven digits can be chosen and any repetitions are allowed. Choice for the first digit: 7 Number of one digit numbers : 7 Choice for the second digit : 7 ...
Thursday, October 1, 2009 at 11:01pm by MathMate
math
There are four multiples of 9 and 9 multiples of four between 0 and 39. If each number is independently chosen from 0 to 39, the probability of what you describe is 4/39 x 4/39 x 9/39 = 144/55,319 = 0.002428 or about 1 in 412
Sunday, January 31, 2010 at 11:32pm by drwls
Math
A number has 4 digits. The sum of the first and last digit is twice the second digit. The second digit is 2 less than the third digit. The last digit is twice the first digit. Some of the digits are alike. What is the number?
Tuesday, October 5, 2010 at 9:10pm by John
Algebra
Let S(N) denote the digit sum of the integer N. Let M denote the maximum value of N/S(N), where N is a 3-digit number. How many 3-digit numbers N satisfy N/S(N)=M? The digit sum of an integer is the sum of all its digits. For example, the digit sum of N=1123 is 1+1+2+3=7.
Monday, March 18, 2013 at 5:17am by Stranger
mathematics
what is seven-digit number if the ones digit is the sum of the millions digit and thousands digit is and the digits is the number from the largest value to the smallest place value are consecutive numbers.
Tuesday, June 19, 2012 at 5:53pm by lauren
Math
What is the number between 149000 and 150000 which has a tens digit that is 7 more than its ones digit. The sum of the tens ans ones digit is 9 and the hundreds digit is zero
Wednesday, August 31, 2011 at 8:13pm by Kathy
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