Math Is Fun Forum

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

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#501 Re: Help Me ! » Permutation Problems » 2014-09-15 00:40:43

I am getting 80, but might be incorrect. Had to do it by hand.

#503 Re: Introductions » Is there a welcome ? » 2014-09-15 00:18:01

Hi GreatSandy

Welcome to the forum! smile

#504 Re: Puzzles and Games » Do you have what it takes to be an engineer in the Air Force? » 2014-09-15 00:13:29

Doctor Who. I'll have to ask Bob if he has watched the new ones. If I'm not mistaken, that show is sacred to the Brittish almost as much as tea is.

#505 Re: Puzzles and Games » Do you have what it takes to be an engineer in the Air Force? » 2014-09-15 00:01:56

There are two DW episodes that show reptioe people who live underground, have an army and hate humans.

#510 Re: Puzzles and Games » Do you have what it takes to be an engineer in the Air Force? » 2014-09-14 15:06:30

What I'm trying to say is flatearth=flatbrain.

Maybe Godzilla flattened it. Too bad some of the people got stuck down under.

#514 Re: Puzzles and Games » Do you have what it takes to be an engineer in the Air Force? » 2014-09-14 14:51:08

Ok, for a second there I thought Tulip might be your cousin.

But, considering the location, shouldn't it be phrontisterw?

#517 Re: Puzzles and Games » Do you have what it takes to be an engineer in the Air Force? » 2014-09-14 14:39:25

Why should he slip through? They want him in their forces. And Tu too.

#518 Re: Puzzles and Games » Do you have what it takes to be an engineer in the Air Force? » 2014-09-14 14:36:38

Yes, definitely. For a second I thought you might be able to present yourself as him, but they are probably already keeping an eye on him as a potential candidate.

#519 Re: Puzzles and Games » Do you have what it takes to be an engineer in the Air Force? » 2014-09-14 14:33:02

Well, if that didn't work, I don't know what will. They seem to be very rigorous. Too much so if you ask me.

#522 Re: Help Me ! » Geometry Polygon Angles » 2014-09-14 13:08:19

Well, it's hard to solve, considering we have no idea where C and D are.

#524 Re: Help Me ! » Discrete Math Help » 2014-09-13 11:27:48

You cannot remove parentheses when you have something lik p AND (q OR r).

#525 Re: Exercises » Bafflers? » 2014-09-12 01:46:51

The only thing coming to my mind is that multiplying by 1/(1-x) gives the gf of the partial sums of the sequence given by the rest of the gf.

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