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How many color combinations are possible for the four rooms. 2009-01-26
From Irfan:
John wants to paint 4 rooms in his house, each a different color and he may choose from 7 different colors of paint. How many color combination are possible for the four rooms.
Answered by Robert Dawson.
Mixing watercolour paints 2008-09-07
From bob:
So, I'm making a chart to help me mix watercolor paints. There are 25 different paints. Each paint will mix with another paint just 1 time. There is no need to mix red with blue, and then blue with red. Since the result is the same, we only need 1 combination of the 2 paints. And there is no need to mix red with red, so we can eliminate 25 combinations of the same paint.
Answered by Penny Nom.
Three colouring the USA map 2007-11-15
From Hammed:
Prove that if each of the 50 states in the USA is assigned one of the colors red, white, or blue, then some pair of adjacent states must have the same color. (If you think that Arizona and Colorado are adjacent, then you may not consider New Mexico and Utah to be adjacent, too. You can't have it both ways!)
Answered by Victoria West.
The four colour theorem 2002-10-27
From Rhonda:
is there an actual equation for the four colour map theorem??? i cannot find it anywhere!! if so can you give a breif description on how it works!!
Answered by Penny Nom.
A schedule for a fantasy football league 2002-09-01
From Steve:
i am in a ten(10) team league, split evenly into two five team divisions. we play a thirteen(13) game schedule and would like to play each team in your own division twice, and each team in the other division once. according to my rudimentary mathematics that equals 13 games. a good schedule should look somthing like this: team 1-5 = division 1 team 6-10 = division 2 team 1 should play teams 2-5 twice and teams 6-10 once.
Answered by Claude Tardif.
A hat of a different color 2002-02-24
From Kirstin:
A teacher made a deal with 3 of his students. He said that if you can guess what color hat you have on your head without looking, I will pass you. There were 2 red hats and 3 blue hats. The deal worked like this: The three students would close there eyes, and the teacher would put a hat on each of their heads and then hide the other 2. Then one at a time, the students would open their eyes and try to figure out what color hat was on their head. The student could guess or pass. This is what happened when they put their deal to the test: A boy named Arturo was first and opened his eyes but wasn't sure so he passed so he didn't get it wrong. Belicia was next and she passed too because she wasn't sure. Also she thought about the fact that Arturo didn't know. Carletta was last and without even opening her eyes, she knew for sure what color hat she was wearing and her answer was right. So i have to figure out what color hat she's wearing for sure.
Answered by Claude Tardif.
4 Color map Theorem 2000-06-02
From Rick Slen:
I am challenging my students to find a map that can not be coloured using only 4 colours. I know that it is not possible, but one boy drew a map with a "country" totally surrounding all the others so of course it touched all other colours. How do I explain that this type of map is not permissable?
Answered by Denis Hanson.
La limite de l'aire du domaine colorié 2005-03-21
From Rita:
bonjour un petit problème qui m'a l'air bien compliqué et je n'est pour le moment aucune pistes pour demarré un carré de coté 1 est divisé en 9 carrés identiques et le carré central est colorié chacun des 8 carré qui restent est à son tour divisé et colorié suivant le meme procédé et on continue indéfiniment quelle est la limite de l'aire du domaine colorié?
Answered by Claude Tardif.
 
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