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Alex Worked At K-Mart - September 6, 2009Rating: 4.5/5 (22 votes cast)
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haha, I laughed at this xD
yes... I'm a nerd 8-)
To be honest, I'm getting tired of the rational/complex/irrational/natural number jokes.
$18 for a shirt? Is that cheap or expensive?
Hmmmm let's see now....
( sqrt(2) + sqrt(8) )^2
= sqrt(2)^2 + sqrt(8)^2 + 2( sqrt(2) * sqrt(8) )
= 2 + 8 + 2( sqrt(16) )
= 2 + 8 + 2( +/- 4 )
= 2 + 8 +/- 8
so it's either $18 or $2 :)
By definition, sqrt(16) is 4, not +/-4. $18 is the unambiguous price.
r u nuts or have u lost it..??
its plain $18
sqrt 8 = 2sqrt2
sqrt 2 + sqrt 8 = 3sqrt2
so (sqrt 2 + sqrt 8)^2 = (3sqrt2)^2 = 18
uhh dude, whats with the +/-4 ???? sqrt(16) is just 4 ......
Wow people why are you here if you don't understand this kind of math. (-4)(-4)=(4)(4)=16 so sqrt(16)=+/-4 (+ or -4). Sqrt(16) is byy no means defined as +4.
While this joke and its ilk are so old, really, what choice do amateur math humorists have?
pi-rate jokes? Please. Those are so 2008.
Lol.
This reminds me of when the show candid camera put up a sign next to a pile of shirts at a clothing store that said "110% Off!" They went through the confused ppl and laughed and everything. But then this one lady came on and said that she automatically knew it was a fake. They asked how, and she said "I'm a math teacher, so I'd know that 110% is impossible."
Personally, what I think she failed to think is that anything more than 100% off actually means that the "seller" pays (x-100)% to the "buyer" to purchase the product. I was mad. :D
Better yet, make a sale saying:
Our prices have 300% off and then again 300% off! :o)
Not only is it rational, it's a natural price!
[sqrt(2)+sqrt(8)]^2
=[sqrt(2)+2sqrt(2)]^2
=[3sqrt(2)]^2
=9*2
=18
[sqrt(2)+sqrt(8)]^2
= [sqrt(2) +/- 2sqrt(2)]^2
= [(1 +/- 2)sqrt(2)]^2
= (1 +/- 2)^2 *2
= (3^2)*2 or ((-1)^2)*2
= 18 or 2
= gpm982 is absolutely correct