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-   -   48÷2(9+3) (https://www.revscene.net/forums/642682-48%F72-9-3-a.html)

MG1 04-12-2011 05:59 PM

Quote:

Originally Posted by Soundy (Post 7387476)
Actually, the physics are dead easy,

I learned physics by watching the Roadrunner.

I refer to one of my favourite episodes where Wylie Coyote points an electric fan towards the sail on a boat he is on and it moves, LOLOLOLOLOLOLOLOL.

As Bugs Bunny would say, "I know this doesn't follow the laws of physics, but I never studied law!"

My other favourite episode.........




I love the musical score



Hey, this post is about as relevant to real life as the equation that has, what, taken up 6 pages so far?

K.Dubz 04-12-2011 06:02 PM

It's TWO! FFS!

You gotta remove the brackets first and to do so you gotta multiply the 2 to the numbers inside the brackets.


48 / 2(9+3)
= 48 / 18 + 6
= 48 / 24
= 2

twitchyzero 04-12-2011 06:27 PM

Quote:

Originally Posted by K.Dubz (Post 7387593)
It's TWO! FFS!

You gotta remove the brackets first and to do so you gotta multiply the 2 to the numbers inside the brackets.


48 / 2(9+3)
= 48 / 18 + 6
= 48 / 24
= 2

if you follow that you would end up having to divide 48 by 18 first.

Presto 04-12-2011 06:30 PM

Okay... I had a nice bowl, and I have another way of presenting the equation. Instead of that confusing ÷ symbol, and fucking around with division. Let's multiply the inverse (witchcraft, for those not in the know):

48 ÷ 2(9+3)
48 * ½(9+3)
48 * 6
=288

metal 04-12-2011 06:35 PM

I cannot believe that this is 6 pages long.

K.Dubz 04-12-2011 06:42 PM

Quote:

Originally Posted by twitchyzero (Post 7387635)
if you follow that you would end up having to divide 48 by 18 first.

Following BEDMAS you'd solve the brackets 1st, below is a clearer version of my answer

48 / 2(9+3)
= 48 / [2(9+3)]
= 48 / [18 + 6]
= 48 / 24
= 2

Razor Ramon HG 04-12-2011 07:12 PM

http://www.allkpop.com/2011/04/kwak-...to-48%C3%B7293

Quote:

On April 11th, singer/gagwoman Kwak Hyun Hwa, who’s also a mathematics graduate from the prestigious Ewha Women’s University, revealed the answer to 48÷2(9+3).

This math problem has been circulating on many international forums lately, as users battled it out over whether the correct answer was ‘2′ or ‘288′.

The star confidently expressed through her me2day, “A lot of people have asked me through personal messages what the answer to 48÷2(9+3) is. The answer is 2!”

After she revealed her answer, Korean netizens began debating over whether or not her answer was correct.

To explain how Kwak Hyun Hwa got ‘2′ for her answer, she first solved the figures in the parentheses, then multiplied the sum by 2. The resulting number of 24 she used to divide 48, and ended up with the final answer of 2.

Other netizens took a different route by following the mathematical rule of PEMDAS strictly. They solved the parentheses, then divided 48 by 2, which yielded 24. They they multiplied 24 by 12, which gave the final answer of 288.

Wonder Girls’ Sunmi also tweeted about the above equation, “I thought it was 2, but some ppl said this and that about there needing to be a square bracket for the answer to be 2.. Hmm, is the answer 288… A smart person I know said it was 2..”

Grandmaster TSE 04-12-2011 07:19 PM

i wouldn't trust most pop stars with simple grade 2 math

illicitstylz 04-12-2011 07:25 PM

keep this shit on misc.

Soundy 04-12-2011 07:34 PM

Quote:

Originally Posted by 89blkcivic (Post 7387591)
I learned physics by watching the Roadrunner.

I refer to one of my favourite episodes where Wylie Coyote points an electric fan towards the sail on a boat he is on and it moves, LOLOLOLOLOLOLOLOL.

As Bugs Bunny would say, "I know this doesn't follow the laws of physics, but I never studied law!"

My other favourite episode.........


http://www.youtube.com/watch?v=KJJW7EF5aVk


I love the musical score



Hey, this post is about as relevant to real life as the equation that has, what, taken up 6 pages so far?

Classic Looney Tunes is the best ever - the whole sequence with the catapult and all the different ways it fails has me busting a gut every freakin' time I watch it.

I went to Bugs Bunny on Broadway at the Orpheum a couple years ago - where a real orchestra plays along with the cartoons. The conductor relates various stories, anecdotes and trivia along the way, and one of the best bits, for me, was the fact that the various directors (particularly, Friz Freling, Tex Avery, Bob McKimson, and of course, Chuck Jones) were in constant competition to come up with something funnier than the last guy.

Edit: here it is - good part starts at 3:58. I know every frame of this sequence and it still cracks me up watching it.

Razor Ramon HG 04-12-2011 07:35 PM

Quote:

Originally Posted by Grandmaster TSE (Post 7387711)
i wouldn't trust most pop stars with simple grade 2 math

She's more qualified than 99% of the members here.

That and I got 2 as well :lol

jackal 04-12-2011 07:36 PM

this shit is insane 6 pages.... the answer is 288 for the tards that think its 2 presto just explained it perfectly.



Quote:

48 ÷ 2(9+3)
48 * ½(9+3)
48 * 6
=288

blagh 04-12-2011 07:53 PM

48 ÷ 2(9+3) = 48 ÷ 2(12) = 48 ÷ 24 = 2 CORRECT METHOD

48 ÷ 2(9+3) = 48 ÷ 2(12) = 48 ÷ 2 x 12 = 288 INCORRECT


48 ÷ 2(12) IS NOT THE SAME AS 48 ÷ 2 x 12
the brackets are there for a reason you cant just replace it with a "x"

MG1 04-12-2011 08:19 PM

Quote:

Originally Posted by Soundy (Post 7387736)
Edit: here it is - good part starts at 3:58. I know every frame of this sequence and it still cracks me up watching it.
http://www.youtube.com/watch?v=O4ZyY...eature=related

So hilarious. I remember Bugs Bunny Show was on every Saturday along with Disney on KVOS? Anyway, I would cry everytime my dad watched his HNIC. I hated hockey when I was little, 'cause it meant no cartoons. My dad wasn't home in the summer months, so that was a bonus. Of course later on, I started to play hockey and I started watching hockey with the old man. Dave Keon, ftmfw!!!

drunkrussian 04-12-2011 08:27 PM

math question and 5 pages in one day. asians, you so crazay!
Posted via RS Mobile

taylor192 04-12-2011 08:28 PM

Quote:

Originally Posted by Soundy (Post 7387476)
Actually, the physics are dead easy, and Mythbusters addressed that when they summarized it: the plane is driven by the propeller, working against the air; force under the wheels is virtually irrelevant (calculable and measurable, yes, due to friction within the wheel bearings... but ultimately, not a factor).

Did you read what I wrote? The physics are far from easy. You have to design and build a conveyor belt capable of going to infinity in zero time, and account for the real world losses.

Mythbusters applied their own assumptions to the myth, since the myth makes no mention of what type of plane, conveyor belt, ... thus why we could debate this forever. The conveyor belt they designed, frankly, sucked, and had no hope of even keeping a car stationary, nevermind the plane.

1exotic 04-12-2011 08:29 PM

at the end of the day who gives a fuk nigga.

Simplex123 04-12-2011 08:38 PM

Quote:

Originally Posted by metal (Post 7387654)
I cannot believe that this is 6 pages long.

ummm... 119 pages here:
http://niketalk.yuku.com/topic/294672/48-2-9-3

illicitstylz 04-12-2011 08:43 PM

Quote:

Originally Posted by Simplex123 (Post 7387864)

it's become a meme on bb.com misc forums LOL

ntan 04-12-2011 08:44 PM

Quote:

Originally Posted by blagh (Post 7387777)
48 ÷ 2(9+3) = 48 ÷ 2(12) = 48 ÷ 24 = 2 CORRECT METHOD

48 ÷ 2(9+3) = 48 ÷ 2(12) = 48 ÷ 2 x 12 = 288 INCORRECT


48 ÷ 2(12) IS NOT THE SAME AS 48 ÷ 2 x 12
the brackets are there for a reason you cant just replace it with a "x"

The brackets are there to evaluate the summation. Once the summation is complete (resulting in 12), it becomes a matter of how the individual perceives the associativity.

1) (48÷2) x 12
2) 48÷(2 x 12)

The issue is, division is non-associative, hence why everyone is up in arms and debating which is the correct answer.

If one however prioritizes distributivity before BEDMAS, the question becomes reformulated as:
48 ÷ (2 x 9 + 2 x 3) = 48 ÷ 24 = 2

Nightwalker 04-12-2011 08:56 PM

Where's the Stephen Hawking signal?

Gt-R R34 04-12-2011 09:08 PM

there is 1 thing this formula doing..

it's reigniting Math like it's 100 AD

LUUUUUUUU 04-12-2011 09:15 PM

http://i256.photobucket.com/albums/h...eh/34fhe1v.gif

Meowjin 04-12-2011 09:17 PM

Does the equation take off?

Oleophobic 04-12-2011 09:21 PM

Why do a lot of people tend to group the 2(9+3) and treat it as ONE unit (ie. IMPLYING that there are brackets around it: [2(9+3)] )? I wasn't sure until I searched around Google for a few seconds and found that apparently it's called 'implied multiplication by juxtaposition'.

This phenomenon (the idea that implicit multiplication takes precedence over explicit) was brought about due to the practice of omitting the * operand next to variables/brackets when expressing multiplication.

lol learn something new every day (even though most of us have already been doing this without realizing it).

http://mathforum.org/library/drmath/view/54341.html

similar type of ambiguous equation: ax/by

this pretty much sums it up and is pretty much what I (and some others) have stated:

Quote:

So to answer your question, I think both answers can be considered
right - which means, of course, that the question itself is wrong. I
prefer the standard way (your first answer) when talking to students,
unless their own text gives the "implicit multiplication first" rule;
but in practice if I came across that expression, I would probably
first check where it came from to see if I could tell what was
intended. The main lesson to learn is not which rule to follow, but
how to avoid ambiguity in what you write yourself. Don't give other
people this kind of trouble.


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