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View Poll Results: What is the answer?

2


26 
47.27% 
288


29 
52.73% 


04102011, 10:34 AM

#31

6th Gear Member
Join Date: Nov 2003
Location: Mississauga
Posts: 1,410
Car: H ACC

Quote:
Originally Posted by Axxe
My Ti83+ says 288.

yup. that is the final answer. gotta love the TI.
i am enjoying reading el gato liso's comments thou. haha



04102011, 11:31 AM

#32

Moderator
Join Date: Aug 2006
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Posts: 7,824
Car: '09 328i, '12 M3

Quote:
Originally Posted by 2slow2race
yup. that is the final answer. gotta love the TI.
i am enjoying reading el gato liso's comments thou. haha

ORLY?!
Enjoy.
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04102011, 12:11 PM

#33

6th Gear Member
Join Date: Jan 2008
Location: Toronto
Posts: 1,242
Car: 1996 328TI

the plot thickens...



04102011, 12:21 PM

#34

King Sirex
Join Date: Aug 2002
Location: Toronto
Posts: 9,846
Car: VW

LIES ALL LIES
What is the answer, I demand to know from a math majore



04102011, 12:30 PM

#35

King Sirex
Join Date: Aug 2002
Location: Toronto
Posts: 9,846
Car: VW

El Gatso, does multiplying the parenthesis supercede the division?



04102011, 12:39 PM

#36

Moderator
Join Date: Jan 2002
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Quote:
Originally Posted by El Gato Liso
i knew you were going to say that captain obvious. i will explain....
there is a lack of brackets in that equation. there is not double standard at all.
BEDMAS says Division first, so 42/2=21, the Multiply next, 21*10 =210
if it were 42/2(10) then i would have treated the equation like a fraction...do brackets first then divide. 42/20 = 2.1
multipication and division roll together. addition and subtraction roll together.

BEDMAS doesn't say division is first. Division does not get priority over the multiplication, just like addition does not get the priority over the subtraction.
According to the order of operations, you do stuff IN the brackets first. Once you've done 9+3 the brackets are gone, there is no need for them anymore.



04102011, 01:14 PM

#37

Over 9 F**KING THOUSAND!!
Join Date: May 2004
Location: Oakville
Posts: 9,764
Car: E46 M3

Quote:
Originally Posted by Axxe
48/2(9+3) = (48/2)(9+3) = 288
48/2(9+3) = 48/(2(9+3)) = 2
Live happy knowing that both are right, and that this question is too vague.

Final answer. There is no nerd to argue.
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04102011, 01:19 PM

#38

2nd Gear Member
Join Date: Sep 2009
Location: Toronto
Posts: 162
Car: E46

Quote:
Originally Posted by sirex
maybe a better way of looking at it for your el gatso, and a way that might make more sense is in a more complicated way.
48 / 2x
where x = 12
48/2x = 24x
You would still divide by 2 first to simplify.
24(12) = 288.
after you've simplified, then you can multiple the x.

48/2x is 24/x
48/2*x is 24x



04102011, 01:21 PM

#39

6th Gear Member
Join Date: May 2007
Location: Brampton
Posts: 3,211
Car: 2003 330i VF charged

Quote:
Originally Posted by SickFinga
BEDMAS doesn't say division is first. Division does not get priority over the multiplication, just like addition does not get the priority over the subtraction.
According to the order of operations, you do stuff IN the brackets first. Once you've done 9+3 the brackets are gone, there is no need for them anymore.

if you have 2(9+3) and as you said the brackets are gone once you do the math....you will have 2(12). the brackets dont go anywhere!!!!!
if the brackets were gone...you'd have 2* whats between these 2 numbers?* 12. you cant make that up now can we.
the brackets are mandatory as it is indicating multiplication 2 x 12 = 2(12).
order of operation indications brackets first....but it implies ANYTHING to do with the brackets! ex. 2(9+3) you can treat as 2X. in this case, multiplication IS part of the brackets.
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04102011, 01:37 PM

#40

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Join Date: Sep 2009
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example:
48/(2a+2b) = 48/2(a+b) [factoring out the 2] =! 24(a+b)
48/(2a+2b) IS NOT EQUAL TO 24(a+b) ! What do you guys not understand? You can't separate the 2(9+3)!



04102011, 01:46 PM

#41

2nd Gear Member
Join Date: Sep 2009
Location: Toronto
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Let's say the question is 48/24 = 2
Splitting up the denominator: 48/(18+6) = 2
Factoring out a 2 from denominator: 48/2(9+3) = 2. You guys are going to tell me that it equals 288? When all I did was factor out a 2 in the denominator? How can you say that 2 became 288, it doesn't make sense.
There is a difference between 48/2(9+3) and 48/2*(9+3).
Last edited by LOSO; 04102011 at 01:49 PM.



04102011, 01:50 PM

#42

6th Gear Member
Join Date: May 2007
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Car: 2003 330i VF charged

2 is part of (9+3)
in order for 48/2 to work it should be (48/2)(9+3) = 288
48/2(9+3)
x = (9+3)
so, 48/2x. how you guys decide to do 48*2 divided x....i have no idea.........
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04102011, 01:53 PM

#43

the misanthropist
Join Date: May 2002
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Posts: 6,243
Car: '05 4Runner, 87 325

Quote:
Originally Posted by sirex
What is the answer, I demand to know from a math majore

Right here. Answer has been given.
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04102011, 01:59 PM

#44

Moderator
Join Date: Jan 2002
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Quote:
Originally Posted by El Gato Liso
if you have 2(9+3) and as you said the brackets are gone once you do the math....you will have 2(12). the brackets dont go anywhere!!!!!

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
Quote:
terms inside brackets
exponents and roots
multiplication and division
addition and subtraction

Quote:
Originally Posted by LOSO
Let's say the question is 48/24 = 2
Splitting up the denominator: 48/(18+6) = 2
Factoring out a 2 from denominator: 48/2(9+3) = 2. You guys are going to tell me that it equals 288? When all I did was factor out a 2 in the denominator? How can you say that 2 became 288, it doesn't make sense.

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
^{48}⁄ _{2(9+3)}
Quote:
Originally Posted by LOSO
There is a difference between 48/2(9+3) and 48/2*(9+3).

There is absolutely no difference between these two.



04102011, 02:02 PM

#45

King Sirex
Join Date: Aug 2002
Location: Toronto
Posts: 9,846
Car: VW

Quote:
Originally Posted by BigD
Right here. Answer has been given.

so it was 288?



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