Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -




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Topic review (newest first)

2005-08-28 16:04:49

MathsIsFun wrote:

Ryos, that is a remarkable avatar.


MathsIsFun wrote:

Who would have thought that "ryos" could be symmetrical?

Me. big_smile

Inverting words is a hobby of mine. I can't claim to be tremendously good at it, but I'm gratified that you could read it and recognized its significance.

The man whose work got me started is Scott Kim. His are still the most brilliant I've seen. His book, "Inversions," is also a fascinating read; it has a ton of his drawings in it, too.

2005-08-26 07:31:33

As a Member? She has to click on "Register" near the top, agree to the rules, then supply a username and valid email address - her password will then be sent to her.

2005-08-26 01:21:40

my friend has just tried to get on the forum
and she cant get on plz can any one tell me
how to get on so i can tell her.
. .

2005-08-25 22:19:15

Thanks. I thought the answer seemed kind of obvious too... and there was no formula given so maybe that is what she's looking for...

2005-08-25 17:26:33

It's amazing how you make something with such different letters into a symmetrical design.


2005-08-25 16:02:23

Ryos, that is a remarkable avatar. Who would have thought that "ryos" could be symmetrical?

It also has a bit of Dali or Gaudi about it.

2005-08-25 15:23:41

The limit will be 1 atmosphere (the atmosphere is a unit of gas pressure. 1 atm = atmospheric pressure at sea level = 14.7 psi). We know this because, even if the plane crashes in the sea, the atmospheric pressure does not exceed 1 atm (except in places like Death Valley or the Dead Sea).

That's probably not what your teachers are looking for. Well, if they wanted a mathematical answer, they shouldn't have given you a problem easily solved with common sense. big_smile

Seriously, if you need a mathematical answer post the formula and we'll help you. (If it were water pressure I'd have it, but atmospheric pressure is harder because the density changes with altitude and I haven't gotten the far yet...)

2005-08-25 14:55:23

Posted - 08/25/2005 :  00:50:37     

I just cant figure this one out:

determine the limit of the function describing the atmospheric pressure on a plane as it descends from 32,000ft to land in Honolulu, located at sea level. (the atmospheric pressure at sea level is 14.7lb/in^2).

Any help would be appreciated. thanks

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