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#1 Re: Help Me ! » weird prove and exercises with 3 unknows » 2007-04-02 00:50:16

it's too hard for me, it isn't really a easier way, please one more time help me, i have time until tomorrow

#2 Re: Help Me ! » weird prove and exercises with 3 unknows » 2007-03-29 03:04:08

hm maybe someone can do the first one a little easier?

#3 Re: Help Me ! » weird prove and exercises with 3 unknows » 2007-03-29 00:56:26

mathsyperson becouse it could take 96 days not 90:) 

about second

root4 = 2 root9=3
3^2=9 4^3=64

and next
a,b,x,y are numbers without  coma, those three  was only examples:)

#5 Help Me ! » weird prove and exercises with 3 unknows » 2007-03-28 09:08:20

zefir
Replies: 12

First
There is big yard, on this yard the grass are growing everywhere in the same speed and now, 70 sheeps eat it in 24 days, 30 sheeps eat ir in 60 days, how many sheeps eat the yard in 96 day?


second



a,b,x,y are i can't translate this for example: 1, 3, -238593, i mean total?
and is true for them:

a+b*root2001 = (x+y*root2001)^2000

prove that:

a>=44b

please help me and i'm sorry for my english

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