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Forums - General Discussion - Mathematical dispute

Cobretti2 on 29 July 2012
aikohualda said:
no more argument! LOL

http://www.mathway.com/answer.aspx?p=basi?p=48SMB102%283+9%29?p=2?p=?p=?p=?p=?p=0?p=?p=0?p=?p=?p=Simplify


lol,

 

mathay use to get it wrong.

 

http://www.youtube.com/watch?v=gFKGbU6ARQg



 

 

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darthdevidem01 on 29 July 2012

Oh how I loved Maths.



All hail the KING, Andrespetmonkey

Boutros on 29 July 2012
CharmedontheWB said:
Boutros said:
Jay520 said:
I believe the answer is 2. My math teacher once told me that an X(Y) bond is of a higher priority than an X*Y. I believe he said that on the PEMDAS, X(Y) is somewhere between parentheses and multiplication. He wasn't the smartest Mathemagician, but I thought that this made sense.

If you use the distrubutive property, the answer is two. And I don't think properties will disturb the solution, right?

48 / 2(3 + 9)
48 / (6 +18) - You could distribute the 2 here.
48 / 24
2

I think it makes sense. You can't just break the bond between the 2 and the ( ). I've never seen the bond broken like that before. But im not sure, it might be 288. Either way, its a poorly formed equation.

Look at my post above.

If you are going to use the distributive property then you would first have to rectify the division prior to distributing: 

48/2 (3+9)

24(3)+24(9) = 288

Yeah. But you should've quoted Jay not me lol



Boutros on 29 July 2012
darthdevidem01 said:
Oh how I loved Maths.

Doctors are so sarcastic.



darthdevidem01 on 29 July 2012
Boutros said:
darthdevidem01 said:
Oh how I loved Maths.

Doctors are so sarcastic.

I still to Maths C1 (the easiest A-level maths exam) papers for relaxation.

muwahaha



All hail the KING, Andrespetmonkey

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Cobretti2 on 29 July 2012
drkohler said:
Cobretti2 said:

That is a well known bug in cheap calculators (that apparently still exists today). They do not correctly resolve the missing * in 2(3+9) leading to the false result 2.

>48 / 2(3 + 9)
*>48 / (6 +18) - You could distribute the 2 here.
>48 / 24

*This is the fault these calculators make, essentially. Breaking the left to right evaluation with a distribution step.

 

nah they all do it. I amp retty sure if you turn scientifc mode off it happens (or the other way around) I can't rememebr as I don't have my calculator anymore hahha.



 

 

Jay520 on 29 July 2012

I was wrong. But don't blame me, blame the schooling. My brain saw the 2(12) as a higher priority than the 48/2.



aikohualda on 29 July 2012
Cobretti2 said:
aikohualda said:
no more argument! LOL

http://www.mathway.com/answer.aspx?p=basi?p=48SMB102%283+9%29?p=2?p=?p=?p=?p=?p=0?p=?p=0?p=?p=?p=Simplify


lol,

 

mathay use to get it wrong.

 

http://www.youtube.com/watch?v=gFKGbU6ARQg

OMG i am literally laughing my out ass out loud.... i wonder what is the age distribution of vgcharterz... are they too old to remember how to solve the equation or too young to actually solve it? it is weird though...



 

Cobretti2 on 29 July 2012
aikohualda said:

OMG i am literally laughing my out ass out loud.... i wonder what is the age distribution of vgcharterz... are they too old to remember how to solve the equation or too young to actually solve it? it is weird though...


I think the problem arises because the equation is ambigous and people are assuming mutiplication by juxtaposition takes preference over BODMAS. 

Also I know where OP is coming from.

the symbol '/ 'at least in egineering implies a fraction,so anything after is below the line. so you get some people who write stuff like I = P/sqrt(3)Vcos(phi)

when I write that equation I always use brackets    I = P/(sqrt(3)Vcos(phi))

that way people know exactly what I mean as this is what I was taught in maths. Funny enough those people will use the brackets in excel to get the right answer.



 

 

aikohualda on 29 July 2012
Cobretti2 said:
aikohualda said:
Cobretti2 said:
aikohualda said:
no more argument! LOL

http://www.mathway.com/answer.aspx?p=basi?p=48SMB102%283+9%29?p=2?p=?p=?p=?p=?p=0?p=?p=0?p=?p=?p=Simplify


lol,

 

mathay use to get it wrong.

 

http://www.youtube.com/watch?v=gFKGbU6ARQg

OMG i am literally laughing my out ass out loud.... i wonder what is the age distribution of vgcharterz... are they too old to remember how to solve the equation or too young to actually solve it? it is weird though...


I think the problem arises because the equation is ambigous and people are assuming mutiplication by juxtaposition takes preference over BODMAS. 

Also I know where OP is coming from.

the symbol '/ 'at least in egineering implies a fraction,so anything after is below the line. so you get some people who write stuff like I = P/sqrt(3)Vcos(phi)

when I write that equation I always use brackets    I = P/(sqrt(3)Vcos(phi))

that way people know exactly what I mean as this iswhatI was tought in maths. Funny enough those people will use the brackets in excel to get the right answer.

yeah your equation would be easier....much easier to compute with less arguements... the original equation is a tranny i guess, but it is biologically 288 :P