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View Poll Results: What is the answer?
2 26 47.27%
288 29 52.73%
Voters: 55. You may not vote on this poll

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Old 04-10-2011, 03:04 PM   #46
Jim .E.
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Old 04-10-2011, 03:04 PM   #47
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Quote:
Originally Posted by sirex View Post
so it was 288?
Yessir.
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Old 04-10-2011, 03:07 PM   #48
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Old 04-10-2011, 03:08 PM   #49
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Quote:
Originally Posted by SickFinga View Post

There is absolutely no difference between these two.
Yes there is. 48/2(9+3) equals 2. 48/2*(9+3) equals 288.

The former means 2(9+3) is in the denominator of the fraction, whereas the latter means 2 is in the denominator.

I think you guys are just bullshitting on purpose.
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Old 04-10-2011, 03:11 PM   #50
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Quote:
Originally Posted by SickFinga View Post
The brackets just mean multiplication.

42/2(10) is the same as 42/2*10.

Here is a quote from wikipedia
http://en.wikipedia.org/wiki/Order_o..._of_operations





If you want to factor out the denominator out of 48/(18+6) then you would have to write it as 48/(2(9+3)) or
482(9+3)







There is absolutely no difference between these two.
i think you purposely missed what i said when the brackets dont go anywhere, as u said they are gone once the addition is done.

if the brackets go away...as you said, you will have 48/2*what goes here??*12

and there is plenty difference between 48/2*(9+3) and 48/2(9+3).
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Old 04-10-2011, 03:15 PM   #51
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Quote:
Originally Posted by SickFinga View Post


If you want to factor out the denominator out of 48/(18+6) then you would have to write it as 48/(2(9+3)) or
482(9+3)
I don't need to write the brackets. It's implied that they belong together because all I did was factor out a 2. But when you put it into your calculator, then YES you need the extra brackets.
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Old 04-10-2011, 03:20 PM   #52
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Quote:
Originally Posted by LOSO View Post
Yes there is. 48/2(9+3) equals 2. 48/2*(9+3) equals 288.

The former means 2(9+3) is in the denominator of the fraction, whereas the latter means 2 is in the denominator.

I think you guys are just bullshitting on purpose.
I'm sorry, but you are wrong. There is a reason we have brackets. They are for grouping. The lack of multiplication sign never meant grouping.
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Old 04-10-2011, 03:24 PM   #53
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Quote:
Originally Posted by El Gato Liso View Post
i think you purposely missed what i said when the brackets dont go anywhere, as u said they are gone once the addition is done.

if the brackets go away...as you said, you will have 48/2*what goes here??*12
I missed it because I assumed you are being too literal when I said brackets are gone. 48/2(9+3) = 48/2(12) brackets gone 48/212.
What I meant by "brackets gone" is that we don't need them anymore since the grouping is done and it become a simple multiplication.
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Old 04-10-2011, 03:26 PM   #54
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Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

You do them from left to right if there is more than one thing.

To simplify:
48/2*12=24*12=288

While you do the parenthesis before you do the multiplication since the 48/2 is the first thing you encounter you do that before the multiplication of 2*12.
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Old 04-10-2011, 04:25 PM   #55
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I rest my case.
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Old 04-10-2011, 04:34 PM   #56
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I rest my case.
So you rest your case on a bad calculator design?

Well, since we rely on bugs now, I guess this is true as well

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Old 04-10-2011, 04:47 PM   #57
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Sorry, but that is false.
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Old 04-10-2011, 05:24 PM   #58
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FYI excel 2007 auto-corrects it to 48/2*(9+3) = 288
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Old 04-10-2011, 06:09 PM   #59
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I asked a friend of mine who is a mathematician at Caltech.
here is his reply.

Quote:
The way the formula is written down is confusing. The way it's written you can either divide by (9+3) or multiply by (9+3). If you divide you get 2, and if you multiply you get 288. My instinct says to multiply though, so I would say 288.
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Old 04-10-2011, 06:11 PM   #60
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Quote:
Originally Posted by LOSO View Post
Sorry, but that is false.
Sorry, but the bug was fixed 3 years ago.

http://www.informationweek.com/news/...leID=202400928
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