Number of results: 208,545
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 ...
Wednesday, August 30, 2006 at 5:42pm by Kristy
please help me i need help before tomorrow please help i need help on my homework Post a question and someone will try to help. Be specific about what you don't understand. i need help on greatest common factor What unit would you use if talking about area It would be square ...
Tuesday, September 5, 2006 at 9:17pm by Asia
prove the product of 4 consecutive integers is always divisible by 24 using the principles of math induction. Could anyone help me on this one? Thanks in advance! Sure For induction we want to prove some statement P for all the integers. We need: P(1) to be true (or some base ...
Thursday, September 14, 2006 at 6:20pm by zomg
For homework we're supposed to give all the properties of different functions. I was able to do all of it except for this one greatest integer function - f(x) = -1/2 [x-1] These functions always mess me up! Could someone tell me the following properties of this function. ...
Tuesday, September 19, 2006 at 9:38pm by Rosanna
8th grade math
dividing fractions....how do i solve this... 4/9 divided by 2/3= or 9/10 divided by 9/10= One thing I do remember is how to divide fractions! 4/9 divided by 2/3 = 4/9 multiplied by 3/2 Then once you've multiplied across, reduce the resulting fraction if you can. So how will ...
Wednesday, September 20, 2006 at 8:11pm by taya
okay the question is as follows: write the first three teerms of tn= 5(2)^ n-1. what is the value of tn/tn-3? I did not get I asked my teacher and he said: plug in n=1, n=2, n=3, to find t_1, t_2, t_3. plug in n-3 and n separately. then take the ratio of the terms. I am ...
Wednesday, October 18, 2006 at 12:00pm by eva!
Hi, would someone mind just checking the answer I got for this formula and tell me if I'm on the right track or not. Question... x+y=21 3x=4y Answer I got... x=84 y= -63 I didn't get that. Check your math. I found 7y=63 but not y = 63. You can always check your answer. Is 4X...
Sunday, October 22, 2006 at 12:49pm by Jessica
this one is so good (and not solved) I pulled it foreward in time Posted by quizzical on Thursday, November 16, 2006 at 6:24am. Hello, This is just a question that has stumped me for some time: We have a normal watch. The big hand is 4cm long and the little hand is 3cm long. ...
Friday, November 17, 2006 at 10:46pm by Ken
I was just wondering, if a series of numbers has 8 digits and the 1st digit is always 3, how many possible combinations of this number could there be. I am certain I once learned this in a math class years ago, but cannot remember how to calculate it. Help would be greatly ...
Friday, November 24, 2006 at 3:10pm by Cathy
what is the largest prime number you will need to check to find all the prime numbers less than 100 Here is a site that I found searching Google with the key words, "prime numbers." http://mathforum.org/dr.math/faq/faq.prime.num.html I hope this helps. Thanks for asking. ...
Wednesday, November 29, 2006 at 12:36pm by sara
can someone correct this for me. If the company shipped a total of 550 items last month, how many were shipped using second-day airfreight? (If second day freight is 40%,Next day frieght is 15%,and Truck is 45%) My answer: 550 items shipped – 40% second day airfreight = 220 ...
Friday, December 22, 2006 at 7:20pm by jasmine20
suppose you are in a room that has two identical doors. Behind one door is riches, wealth and fame beyond your wildest dreams. Behind the other door is a firing squad that does not miss. Youdo not know which door is which, however there are two identical twins in the room that...
Monday, January 22, 2007 at 4:17pm by taylor
I read the meaning of function notation but i still don't understand why are they so important. during an art contest at your school, you and a classmate each won blue ribbons for one third of the pieces you entered in the contest. You won two blue ribbons and your classmate ...
Monday, January 29, 2007 at 5:59pm by jasmine20
6th grade math
I still do not understand this problem? find a number such that when added to the numerator and denominator of 2/11 yields a fraction equivalent to 1/2? thanks If you add 7 to the numerator and 7 to the denominator you get 9/18. 9/18= 9x1/9x2 = 1/2 It means add the same number...
Thursday, March 8, 2007 at 10:01pm by vince
i m always having a problem in math. i can't do fraction easilly. im going to have an final exams , starting on 2 april . i hope if any one can help me. You need to tell us, in detail, what you don't understand about fractions. o!isnt the test the...SAT?? yes,,im good at math ...
Saturday, March 17, 2007 at 2:16pm by ammara
What is the general formula for the factorial notation? Hmmmm. Hard? n!= 1*2*3*4*...*n-1*n I have been missing from school and we have just learned it. So I am not very good at it. There is quite a lot on Wikipedia /wiki/Factorial Which includes the general formula and a ...
Saturday, March 31, 2007 at 9:39am by george
I am very bad at math, always have been. I am overweight, always have been. But I have qualities which are very positive too, which help me overcome my limitations.
Monday, January 19, 2009 at 11:53am by GuruBlue
Very easy math
my teacher told me that the inverse of addition was subtraction and that the inverse of subtraction was addition... could you prove it to me -x = (-1)x ((-1)x)^-1 I don't see how I'm suppose to get + x by taking the inverse of -x i've always been told in math to just to the ...
Wednesday, September 2, 2009 at 1:39pm by Very easy Math
if peter has 60 basball cards in his collection how many baseball football and basketball cards does he have? my answer was-20 baseball cards 10 football cards 10 basketball cards
Thursday, March 11, 2010 at 5:44pm by 3mmi3
Insufficient data to answer. However, you already state he "has 60 baseball cards." On the other hand, if 60 is the total number, the three categories do not add up to the total. Proofread you post for typos before you post it.
Thursday, March 11, 2010 at 5:44pm by PsyDAG