48÷2(9+3)

MrTwilliger · Post by **MrTwilliger** » Sun Apr 10, 2011 12:50 am

I pose this question: Does it really matter?

Macsnow · Post by **Macsnow** » Sun Apr 10, 2011 12:50 am

Kirkaldi wrote:who the hell picked 2....

Spoiler!

Take a hint... :roll:

lol @ everyone who voted for 2 :sohappy:

Kirkaldi · Post by **Kirkaldi** » Sun Apr 10, 2011 1:05 am

Macsnow wrote:
Kirkaldi wrote:who the hell picked 2....

Spoiler!

Amarisa wrote:
Ownage wrote:48÷2(9+3)

Not sure if you actually need help (Math that people learn probably around 8th grade?) or not but I will state the steps below.

9+3=12
12*2=24
48/24=2

PEMDAS

Take a hint... :roll:

lol @ everyone who voted for 2 :sohappy:

Azilius · Post by **Azilius** » Sun Apr 10, 2011 1:25 am

Lol this forum is much different that others I've seen with this questions. Most are split 50:50 on the poll..

Mirosuke · Post by **Mirosuke** » Sun Apr 10, 2011 1:25 am

MrTwilliger wrote:I pose this question: Does it really matter?

Of course it matters

otherwise, you are screwded on the rest calculation you do in your life...

Squirt · Post by **Squirt** » Sun Apr 10, 2011 1:39 am

I was taught as a kid that the order doesn't matter if it is multiplication/ division

Skyve · Post by **Skyve** » Sun Apr 10, 2011 1:52 am

PEDMAS bro.

.curve · Post by **.curve** » Sun Apr 10, 2011 2:07 am

Hapjap wrote:Lol love how this simple equation fools so many ppl...yes multiplication and division go in order of which appears first, reading from left to right.

48/2(9+3)
48/2(12)
48/24
24(12)
288

It's an honest mistake. This shit was so long ago I can't be assed to remember. I suppose it's good I'm not an Engineer or math major.

Amarisa · Post by **Amarisa** » Sun Apr 10, 2011 2:30 am

Macsnow wrote:
Kirkaldi wrote:who the hell picked 2....

Spoiler!

Amarisa wrote:
Ownage wrote:48÷2(9+3)

Not sure if you actually need help (Math that people learn probably around 8th grade?) or not but I will state the steps below.

9+3=12
12*2=24
48/24=2

PEMDAS

Take a hint... :roll:

lol @ everyone who voted for 2 :sohappy:

Puma60 · Post by **Puma60** » Sun Apr 10, 2011 3:07 am

Seen this question on about 3 other forums. Never thought it would make it to SRF.

Anyway, I was taught BODMAS.
Brackets
Order
Division
Multiplication
Addition
Subtraction

So, 2.

TheDrop · Post by **TheDrop** » Sun Apr 10, 2011 3:09 am

2(9+3) and 2*(9+3) are the same thing, like how 5n and 5*n are the same thing...

Would
48/5(n) be any different than 48/5*n
no

CeLL · Post by **CeLL** » Sun Apr 10, 2011 3:19 am

its 288. anything else is derp.

Amarisa · Post by **Amarisa** » Sun Apr 10, 2011 3:24 am

UnbeatableDevil wrote:2(9+3) and 2*(9+3) are the same thing, like how 5n and 5*n are the same thing...

Would
48/5(n) be any different than 48/5*n
no

the difference is that 2*(9+3) implies they are no longer the same term.

16/2X

if x = 2+2

do you do 16/2*(2+2) = 8(2+2)?

[Orphen] · Post by **[Orphen]** » Sun Apr 10, 2011 3:29 am

Amarisa wrote:
UnbeatableDevil wrote:2(9+3) and 2*(9+3) are the same thing, like how 5n and 5*n are the same thing...

Would
48/5(n) be any different than 48/5*n
no

the difference is that 2*(9+3) implies they are no longer the same term.

16/2X

if x = 2+2

do you do 16/2*(2+2) = 8(2+2)?

The difference is that there is no variable in the original equation. So there is no reason to distribute the 2 among the 9 and 5, the 2 can stand alone where 2(9+x) cannot.

TheDrop · Post by **TheDrop** » Sun Apr 10, 2011 3:31 am

Amarisa wrote:
UnbeatableDevil wrote:2(9+3) and 2*(9+3) are the same thing, like how 5n and 5*n are the same thing...

Would
48/5(n) be any different than 48/5*n
no

the difference is that 2*(9+3) implies they are no longer the same term.

16/2X

if x = 2+2

do you do 16/2*(2+2) = 8(2+2)?

Yeah, you would do that
When a number and a symbol (parenthesis/variables) are next to eachother it implies its a multiplication

SM-Count · Post by **SM-Count** » Sun Apr 10, 2011 3:36 am

Amarisa wrote:
UnbeatableDevil wrote:2(9+3) and 2*(9+3) are the same thing, like how 5n and 5*n are the same thing...

Would
48/5(n) be any different than 48/5*n
no

the difference is that 2*(9+3) implies they are no longer the same term.

16/2X

if x = 2+2

do you do 16/2*(2+2) = 8(2+2)?

Of course you do, I've gotten so many points off math over many years typing that into my calculator and forgetting to add parenthesis. You would do 16/2 then 8*X if it's written like that. You have to write 16/(2X) if you want the other way, that's just how math works. Btw, everytime you use the word 'implies', you should really be saying 'implies to me'.

cpinney · Post by **cpinney** » Sun Apr 10, 2011 3:51 am

the answer is obviously 42

Shomari · Post by **Shomari** » Sun Apr 10, 2011 3:53 am

why in the shnizzle does this thread have three pages?
answer is obviously ∞

Amarisa · Post by **Amarisa** » Sun Apr 10, 2011 4:08 am

48÷2(9+3)

Spoiler!

48÷2*(9+3)

Spoiler!

48/2(9+3)

Spoiler!

Kirkaldi · Post by **Kirkaldi** » Sun Apr 10, 2011 4:14 am

http://lmgtfy.com/?q=48%2F2(9%2B3)

SM-Count · Post by **SM-Count** » Sun Apr 10, 2011 4:15 am

Amarisa wrote:48÷2(9+3)

Spoiler!

http://www.mathway.com/answer.aspx?p=basi?p=48SMB142(9+3)?p=2?p=?p=?p=?p=?p=?p=?p=0?p=?p=

48÷2*(9+3)

Spoiler!

http://www.mathway.com/answer.aspx?p=basi?p=48SMB142*(9+3)?p=2?p=?p=?p=?p=?p=?p=?p=0?p=?p=

48/2(9+3)

Spoiler!

http://www.mathway.com/answer.aspx?p=basi?p=48SMB102(9+3)?p=2?p=?p=?p=?p=?p=?p=?p=0?p=?p=

48÷2(9+3)
http://www.wolframalpha.com/input/?i=48 ... 289%2B3%29

It doesn't mean you are right, it means their site is wrong. A site, I might add, that thinks the integral of sec(ax+bx) = http://www.mathway.com/answer.aspx?p=cc ... ?p=0?p=?p=

lolol, coefficients just disappear when you integrate
http://www.mathway.com/answer.aspx?p=cc ... ?p=0?p=?p=

Man their integrator is terrible.

Btw, I don't know if you know this, but the reciprocal of 22÷7 is http://www.mathway.com/answer.aspx?p=ba ... ?p=0?p=?p=

Thank you for this site, made me smile. I suspect their plan is to give you ridiculous answers just so you will pay to see how the hell they got them.

Lol, ok, last one, I promise: http://www.mathway.com/answer.aspx?p=cc ... ?p=0?p=?p=

Damn this site is fun.

Ok, no, this is the last one: http://www.mathway.com/answer.aspx?p=ca ... ?p=0?p=?p=

Kirkaldi · Post by **Kirkaldi** » Sun Apr 10, 2011 4:32 am

I'll explain to whoever thinks its 2 and not 288.

First of all, let's start talking about PEMDAS.
P - Parenthesis
E - Exponents
M - Multiplication
D - Division
A - Addition
S - Subtraction.

PEMDAS is not necessarily right. You don't do multiplication first over division unless it is in a parenthesis. You do whichever operation comes first.

So, let's use 48÷2(9+3).
First you obviously do the parenthesis.
48÷2*12
Now, you divide 48 by 2, NOT 2 multiplied by 12. As I stated above, you do whichever operation comes first (Multiplication or Division). In this matter, division comes first. So, you divide 48 by 2.

24*12
=288

HOW TO DO IT
48÷2(9+3)
48÷2*12
24*12
=288

Skyve · Post by **Skyve** » Sun Apr 10, 2011 4:33 am

Posted this on another forum and they all started raging at me calling me dumb lmfao.

EDIT: CHECK THIS OUT LOL (Im Marko)

Brian Wright - Today 10:41 PM Report
We all agreed to delete it as you're prancing around inflating your ego

Marko - Today 10:40 PM Edit Report
Why would you delete the thread? You made a honest mistake, no biggie?

Post by **Gaigemasta** » Sun Apr 10, 2011 4:44 am

I think this thread needs to be locked

EvGa · Post by **EvGa** » Sun Apr 10, 2011 4:52 am

Don't you dare!! Up next:

.999... = 1

True or false.

Skyve · Post by **Skyve** » Sun Apr 10, 2011 5:04 am

EvGa wrote:Don't you dare!! Up next:

.999... = 1

True or false.

I did that thursday in Math. Well I think it's that. Basically the line of a graph kept going on but would never touch 1 (on x). Thing is, it's such a farked up notion that the calculator will just assume the answer is 1.

[Orphen] · Post by **[Orphen]** » Sun Apr 10, 2011 5:11 am

ExSoldier wrote:Posted this on another forum and they all started raging at me calling me dumb lmfao.

EDIT: CHECK THIS OUT LOL (Im Marko)

Brian Wright - Today 10:41 PM Report
We all agreed to delete it as you're prancing around inflating your ego

Marko - Today 10:40 PM Edit Report
Why would you delete the thread? You made a honest mistake, no biggie?

Dammit Marko! Stop inflating your ego!

EvGa · Post by **EvGa** » Sun Apr 10, 2011 5:19 am

ExSoldier wrote:I did that thursday in Math. Well I think it's that. Basically the line of a graph kept going on but would never touch 1 (on x). Thing is, it's such a farked up notion that the calculator will just assume the answer is 1.

Yep, that's called a limit. .999... can also be represented as an infinite geometric series that converges to 1.

McLovin1t · Post by **McLovin1t** » Sun Apr 10, 2011 5:54 am

EvGa wrote:Don't you dare!! Up next:

.999... = 1

True or false.

True.
Here's a fun (yet incorrect) way to prove.
Let .999.... = x
10x = 9.99999....
10x - x = 9x.
9x = 9.9999999... - .9999999...
9x = 9
x = 1
x = .999....
.999.... = 1

EvGa · Post by **EvGa** » Sun Apr 10, 2011 6:06 am

Haha yep.

Or..

1/3 = .333...
2/3 = .666...
3/3 = .999...
3/3 = 1
1 = .999...

A real way to prove it is represent .999... as an infinite geometric series (9/10)(1/10)^n from 0 to infinity. Common ratio = 1/10, a = (9/10). A geometric series converges to a/(1-r). (9/10)/(1-(1/10)) = 1. Therefore: .999.. = sum from 0 to infinity of (9/10)(1/10)^n = 1.

We just did taylor series in calc II, oh **** me.

:sohappy:

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