Board 8 > So... 48/2(9+3)

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Airship_Canon
02/18/18 9:37:15 PM
#1:


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DeepsPraw
02/18/18 9:39:20 PM
#2:


do you need help with your fourth grade arithmetic homework?
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GranzonEx
02/18/18 9:40:25 PM
#3:


Anagram topic?
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redrocket_pub
02/18/18 9:43:09 PM
#4:


Is this a Facebook post? "Only 1 in 10 people will get the right answer to this question!"
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Anagram
02/18/18 9:44:07 PM
#5:


GranzonEx posted...
Anagram topic?

I'm well aware of PEMDAS.
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Lolo_Guru
02/18/18 9:49:36 PM
#6:


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

you're welcome
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TheKnightOfNee
02/18/18 9:50:47 PM
#7:


congrats on your topic
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azuarc
02/18/18 9:52:09 PM
#8:


Lolo_Guru posted...
48/2*(9+3)
48/2*(12)
24*(12)
288

you're welcome

*gasp*

no wai! I tought it was 2!!1!1! y u no multipli by teh 12 1st??
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Lolo_Guru
02/18/18 9:59:57 PM
#10:


azuarc posted...
Lolo_Guru posted...
48/2*(9+3)
48/2*(12)
24*(12)
288

you're welcome

*gasp*

no wai! I tought it was 2!!1!1! y u no multipli by teh 12 1st??

PEMDAS, as mentioned before, stands for

1) Parentheses
2) Exponents
3) Multiplication and Division
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mnkboy907
02/18/18 10:01:43 PM
#11:


Tbh as someone who hasn't really done math in over a decade, I wasn't entirely sure if doing the parenthesis first also meant doing the 2x12 before the 48/2.
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azuarc
02/18/18 10:01:48 PM
#12:


Lolo_Guru posted...
PEMDAS, as mentioned before, stands for

1) Parentheses
2) Exponents
3) Multiplication and Division: They have the same priority, therefore you simply go through the problem from left to right and do them in that order.
4) Addition and Subtraction: (same thing as M & D above)

wut dat? u hav math digree or somethin?

I do.
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Lolo_Guru
02/18/18 10:03:10 PM
#13:


azuarc posted...
Lolo_Guru posted...
PEMDAS, as mentioned before, stands for

1) Parentheses
2) Exponents
3) Multiplication and Division: They have the same priority, therefore you simply go through the problem from left to right and do them in that order.
4) Addition and Subtraction: (same thing as M & D above)

wut dat? u hav math digree or somethin?

I do.

No, I just tutored basic math at college.
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NFUN
02/18/18 10:03:57 PM
#14:


Lolo_Guru posted...
azuarc posted...
Lolo_Guru posted...
PEMDAS, as mentioned before, stands for

1) Parentheses
2) Exponents
3) Multiplication and Division: They have the same priority, therefore you simply go through the problem from left to right and do them in that order.
4) Addition and Subtraction: (same thing as M & D above)

wut dat? u hav math digree or somethin?

I do.

No, I just tutored basic math at college.

he's being sarcastic
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NFUN
02/18/18 10:04:16 PM
#15:


should i go for a math dual major or is that too much effort?
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th3l3fty
02/18/18 10:05:45 PM
#16:


not enough information

this could be a fraction with the parentheses on the bottom
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azuarc
02/18/18 10:07:08 PM
#17:


NFUN posted...
Lolo_Guru posted...
azuarc posted...
Lolo_Guru posted...
PEMDAS, as mentioned before, stands for

1) Parentheses
2) Exponents
3) Multiplication and Division: They have the same priority, therefore you simply go through the problem from left to right and do them in that order.
4) Addition and Subtraction: (same thing as M & D above)

wut dat? u hav math digree or somethin?

I do.

No, I just tutored basic math at college.

he's being sarcastic

What gave it away?
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NFUN
02/18/18 10:07:24 PM
#18:


th3l3fty posted...
not enough information

this could be a fraction with the parentheses on the bottom

it isn't, so it isn't
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Lolo_Guru
02/18/18 10:09:14 PM
#19:


NFUN posted...
should i go for a math dual major or is that too much effort?

what's your first major
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NFUN
02/18/18 10:18:55 PM
#20:


physics and astronomy

but i dont know exactly how much overlap im allowed
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swirIdude
02/18/18 10:54:26 PM
#21:


This isn't Facebook, we actually know how to do math here.
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#22
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Airship_Canon
02/18/18 11:35:45 PM
#23:


2 or 288.
Just 2 or just 288 is wrong, since the way it's written results in having both answers be correct.

Sorta.
2 is the "more" correct, since multiplication between x(y) is "higher priority" than x*y, thusly, it means the entirety of 2(9+3) is the denominator.

http://www.purplemath.com/modules/orderops2.htm

The general consensus among math people is that "multiplication by juxtaposition" (that is, multiplying by just putting things next to each other, rather than using the "" sign) indicates that the juxtaposed values must be multiplied together before processing other operations.

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NFUN
02/18/18 11:37:47 PM
#24:


I've never heard of that before and it's stupid
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th3l3fty
02/18/18 11:38:17 PM
#25:


NFUN posted...
it isn't, so it isn't

you can't prove that
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NFUN
02/18/18 11:39:27 PM
#26:


th3l3fty posted...
NFUN posted...
it isn't, so it isn't

you can't prove that

with that logic it's pointless to try to solve anything because you never know if there's a bunch of shit attached the question that the author never bothered to tell you

hidden variable theories are bad
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azuarc
02/19/18 12:06:44 AM
#27:


Airship_Canon posted...
2 or 288.
Just 2 or just 288 is wrong, since the way it's written results in having both answers be correct.

Sorta.
2 is the "more" correct, since multiplication between x(y) is "higher priority" than x*y, thusly, it means the entirety of 2(9+3) is the denominator.

http://www.purplemath.com/modules/orderops2.htm

The general consensus among math people is that "multiplication by juxtaposition" (that is, multiplying by just putting things next to each other, rather than using the "" sign) indicates that the juxtaposed values must be multiplied together before processing other operations.

I've seen people who have tried to argue this, but I've never seen anyone put it forth formally as an objection to just M/D, left-to-right. At the very least, if you put this into any computer or calculator, it's going to give you 288. The only time I'm going to accept that being against parentheses is higher priority than using an operator is when those parentheses are part of a function. Obviously f(x) does not mean f * x.
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Lopen
02/19/18 12:12:14 AM
#28:


NFUN posted...
with that logic it's pointless to try to solve anything because you never know if there's a bunch of shit attached the question that the author never bothered to tell you


Well not really because most math books will have it written in a less ambiguous way than a message board post title forces.
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redrocket_pub
02/19/18 1:44:27 AM
#29:


Imagine being a person who would make this topic and then pat themselves on the back for how smart they think they are.
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KanzarisKelshen
02/19/18 4:17:29 PM
#30:


azuarc posted...
Airship_Canon posted...
2 or 288.
Just 2 or just 288 is wrong, since the way it's written results in having both answers be correct.

Sorta.
2 is the "more" correct, since multiplication between x(y) is "higher priority" than x*y, thusly, it means the entirety of 2(9+3) is the denominator.

http://www.purplemath.com/modules/orderops2.htm

The general consensus among math people is that "multiplication by juxtaposition" (that is, multiplying by just putting things next to each other, rather than using the "" sign) indicates that the juxtaposed values must be multiplied together before processing other operations.

I've seen people who have tried to argue this, but I've never seen anyone put it forth formally as an objection to just M/D, left-to-right. At the very least, if you put this into any computer or calculator, it's going to give you 288. The only time I'm going to accept that being against parentheses is higher priority than using an operator is when those parentheses are part of a function. Obviously f(x) does not mean f * x.


It depends on whether you treat it as 48 OVER 2(9+3) or (48/2)*(9+3)

Wording suggests 48 over 2(9+3) because it's cleaner and more sensible, but it's written sloppily enough that it could be either.
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X_Dante_X
02/19/18 4:21:04 PM
#31:


NFUN posted...
with that logic it's pointless to try to solve anything because you never know if there's a bunch of shit attached the question that the author never bothered to tell you


thats how i feel a lot of the time, man
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tyder21
02/19/18 4:21:49 PM
#32:


Bad topic.
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