Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #1 20051114 04:33:52
maths pronblem prpblems ahhhhhh HELP MEhi need help for tomorrow desperate ahhhh #2 20051114 07:26:12
Re: maths pronblem prpblems ahhhhhh HELP MEFor the first one see here: Weighting 12 Pool Balls That puzzle is harder than yours, because YOU know one is lighter. "The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  Leon M. Lederman #3 20051114 07:37:45
Re: maths pronblem prpblems ahhhhhh HELP MEyer its using a balance would this chande thins plus how long is a groove in a record? #4 20051114 08:24:45
Re: maths pronblem prpblems ahhhhhh HELP MEAn LP spins at 33 1/3 rpm (revolutions per minute), is about 30cm wide, and playing time per side is about 30 min (all this I got from Wikipedia) "The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  Leon M. Lederman #5 20051114 18:04:06
Re: maths pronblem prpblems ahhhhhh HELP MEWell, not sure if this is helpful, but... 