48÷2(9+3) = ????

Your Answer?


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only there is no '/' in the original problem and there are definitely NO parentheses around the 48 and 2. you are adding symbols to the problem to CREATE a grouping that is not expressly defined.

The symbols "÷" and "/" can be used interchangeably.

1÷2 = 1/2

Also if when you get to the Mult/Div level you do the operation from left to right so you do 48/2 (48÷2) first.
 
OK. You say this calculator correctly simplifies. Where does it do that, apart from every other calculator that does it, in your estimation, wrongly?

Im saying some take the equation literal, some correctly recognize what the denominator is.


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so let me get this straight before i drop this topic. some of you really think that the INTENTION of whomever constructed this problem did so with the intention of having their students solve a problem involving division of a large number 48 using this symbol ÷, multiplication with parentheses and ADDITION of two simple numbers 9 & 3 and not distribute the 2 across the two terms inside of the parentheses? you dudes have NO insight. this problem was obviously INTENDED to be solved in this manner

48÷2(9+3)
48÷(18+6)
48c24
2

i can see how you could argue otherwise had the problem been written in THIS manner 42/2(9+3) where you could argue that the expression read forty-two halfs but it's uzing the symbol ÷ and the steps of adding 9 & 3 become redundant and usless for a learning exercise.

oh well, i'm going to let everyone just keep on believing what they want

I personally don't know or care what the intentions of the person who wrote the problem were. I know that this ÷ means this /, and this 42/2(12), means this 42÷2 x 12.

I'm trying to remember what grade KIDS stop using ÷ and x and learn that 5(6) is the same as 5 x 6.

Or that calculators can perform the order of operations. :D

Or that the distributive property is pointless when you are distributing over like terms like 9 and 3. Even though you shouldn't be distributing in the first place.

:lol:
 
I personally don't know or care what the intentions of the person who wrote the problem were. I know that this ÷ means this /, and this 42/2(12), means this 42÷2 x 12.

I'm trying to remember what grade KIDS stop using ÷ and x and learn that 5(6) is the same as 5 x 6.

Or that calculators can perform the order of operations. :D

Or that the distributive property is pointless when you are distributing over like terms like 9 and 3. Even though you shouldn't be distributing in the first place.

:lol:

Nope. It means 42 ÷ 24.. You missed a few classes in 3rd Grade fella.


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My conclusion is that students are being taught by textbooks and teachers two different ways to solve one particular question. How do you determine which way is the correct way?
 
So simplification doesn't exist? All the calculator did was simplify, and it tells you its using that Basic Math principal. Its an error now?


So we're pretending like Simplification doesnt exist? Wow. ******s will try to rationalize anything to make themselves right. :lol:


If you are not used to programing all the time I really don't think you are gonna understand. Without trying to insult you again, maybe you were able to get away with this in middle school or even high school as long as you were not in say an intermediate level algebra or calculus class.

This is something that would definitely be corrected in an engineering or programming class.

This is one of those mistakes that would make the entire problem wrong, but if your professor was cool, they would only mark you off a couple of points.

When you get to a certain level, mistakes like this would not be acceptable.

I can't fault you if you were not corrected.
 
My conclusion is that students are being taught by textbooks and teachers two different ways to solve one particular question. How do you determine which way is the correct way?

Are you saying that some people are seeing 48 divided by 2 multiplied by 9 plus 3? And that others are seeing 48 divided by 2 multiplied by 9 plus 3?


Hmm...while I think you may be on to something, I personally don't see the how you can confuse the two. At first glance I see the latter; it's not until further examination that I can see it being written incorrectly in order to produce the 288, (which would be the first suggestion I gave).

I would send this question to my math professor but after every other person in a profession has chipped in I don't really see the point. I'm just waiting for 40% to recant and we can move back on to naked chicks. :D

[hide]though I do enjoy intellectual banter[/hide]
 
If you are not used to programing all the time I really don't think you are gonna understand. Without trying to insult you again, maybe you were able to get away with this in middle school or even high school as long as you were not in say an intermediate level algebra or calculus class.

This is something that would definitely be corrected in an engineering or programming class.

This is one of those mistakes that would make the entire problem wrong, but if your professor was cool, they would only mark you off a couple of points.

When you get to a certain level, mistakes like this would not be acceptable.

I can't fault you if you were not corrected.

There is nothing to be corrected here homey. You can attempt to insult me all you want; you can have all the delusions about your "level" of mathematics you want. Doesn't make you right.


Hello,

It depends on how you set up the problem. If you enter it as 48/2(9+3), it is recognized as the fraction 48/2 times (9+3). This would give the answer 288. If you want the entire "2(9+3)" in the denominator of the fraction, the answer would be 2. If it is written in the book as 48÷2(9+3), then the answer should be 2. If the problem is written as a fraction (a numerator and a denominator with a line in between) and the entire "2(9+3)" is in the denominator, the answer should be 2. Without seeing the book the original problem was written in, I would guess it is one of those two options, both giving 2 as the answer.

Regards,

The Mathway Team


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/ Story
 
I think I understand where part of the confusion is coming from.

People think that when the symbol "/" is used it means a fraction instead of divide or "÷". Therefore some think when I do the following 8/6-2 I mean:
8
----
6-2

That's incorrect. That fraction above I would translate into 8/(6-2) or 8÷(6-2) which equals 2.

Instead when I do 8/6-2 I mean 8 ÷ 6 - 2 or (8 ÷ 6) - 2.
 
I think I understand where part of the confusion is coming from.

People think that when the symbol "/" is used it means a fraction instead of divide or "÷". Therefore some think when I do the following 8/6-2 I mean:
8
----
6-2

That's incorrect. That fraction above I would translate into 8/(6-2) or 8÷(6-2) which equals 2.

Instead when I do 8/6-2 I mean 8 ÷ 6 - 2 or (8 ÷ 6) - 2.


I know for sure where the confusion is coming from. Folks are doing it the "easy" way, and aren't accounting for basic math principals. Simplification can not just be ignored.


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Are you saying that some people are seeing 48 divided by 2 multiplied by 9 plus 3? And that others are seeing 48 divided by 2 multiplied by 9 plus 3?


Hmm...while I think you may be on to something, I personally don't see the how you can confuse the two. At first glance I see the latter; it's not until further examination that I can see it being written incorrectly in order to produce the 288, (which would be the first suggestion I gave).

I would send this question to my math professor but after every other person in a profession has chipped in I don't really see the point. I'm just waiting for 40% to recant and we can move back on to naked chicks. :D

[hide]though I do enjoy intellectual banter[/hide]


These examples show were Division comes before Multiplying despite the () still being there
Kaplan PRAXIS 2009 Edition
sadfrhsxdltfuf1nua7e.jpg


A professor at Bloomfield College
gk093zy7u3563eubyf1t.jpg


These example show when you solve for the multiplication first, despite the division being on the far left.
Intermediate Algebra
By Ron Larson, Kimberly Nolting
5eu7mqik0juvwu5oin0s.jpg


Purplemath.com
iu68fedbw05yboy5euc7.jpg
 
There is nothing to be corrected here homey. You can attempt to insult me all you want; you can have all the delusions about your "level" of mathematics you want. Doesn't make you right.





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/ Story


That's the thing. I am not trying to insult you. It's over homes. And about my level of mathematics, I only have a minor in mathematics. I am sure we have phd's in math on this board. physics, electrical engineering that's what I do. You don't get there without having a granite foundation in math. You take as many physics, math and engineering classes as I have, the minor is free. You can call them delusions all you want. I could not care less. I know that there are only a hand full of folks on this board that could trade places with me.
 
None of these examples come close to the OP equation..



These examples show were Division comes before Multiplying despite the () still being there
Kaplan PRAXIS 2009 Edition
sadfrhsxdltfuf1nua7e.jpg


A professor at Bloomfield College
gk093zy7u3563eubyf1t.jpg


These example show when you solve for the multiplication first, despite the division being on the far left.
Intermediate Algebra
By Ron Larson, Kimberly Nolting
5eu7mqik0juvwu5oin0s.jpg


Purplemath.com
iu68fedbw05yboy5euc7.jpg
 
I know for sure where the confusion is coming from. Folks are doing it the "easy" way, and aren't accounting for basic math principals. Simplification can not just be ignored.

Only "S" I know of in PEMDAS is for Subtraction. Remind me which part of PEMDAS is the "S" in Simplification? The "P" means to do what's inside the Parenthesis and sorry to say simplification (or how you mean it) ain't a part of that. You're confusing the simplification with the multiplication part. http://www.mathgoodies.com/lessons/vol7/order_operations.html
 
That's the thing. I am not trying to insult you. It's over homes. And about my level of mathematics, I only have a minor in mathematics. I am sure we have phd's in math on this board. physics, electrical engineering that's what I do. You don't get there without having a granite foundation in math. You take as many physics, math and engineering classes as I have, the minor is free. You can call them delusions all you want. I could not care less. I know that there are only a hand full of folks on this board that could trade places with me.

I don't give a fuck what you think you have nigga. You can be arrogantly dumb as you want, negro. You're wrong.
 
Only "S" I know of in PEMDAS is for Subtraction. Remind me which part of PEMDAS is the "S" in Simplification? The "P" means to do what's inside the Parenthesis and sorry to say simplification (or how you mean it) ain't a part of that. You're confusing the simplification with the multiplication part. http://www.mathgoodies.com/lessons/vol7/order_operations.html

Its the first fucking letter faggot. P. Any number directly in front of the () belongs to it.
 
Exactly... Using LesW's example we have to assume that 2(12) in the equation meant (2(12)). Some like myself don't make that assumption unless it's literally written into the equation. It is ambiguous & I've seen 2 different answers. I can only explain that the question itself is ambiguous.

Exactly. That is why themailman had it correct when he said this is a psychological test.
 
This is a psychological test. Its like people will hold on to what they believe even with the facts presented.
 
This is a psychological test. Its like people will hold on to what they believe even with the facts presented.

A psychological test wouldn't have a definitive answer, which remains to be 2. A reputable source says its 2. Find a reputable source to the contrary.
 
I don't give a fuck what you think you have nigga. You can be arrogantly dumb as you want, negro. You're wrong.

You can go back and forth with me all you want nigga. That shit ended for me yesterday when you said you were not going to engage me anymore because it was silly. Remember that nigga?

That was the smartest thing you have said in this entire thread. The fact of the matter is you will never see me, I will never see you.

You just showed your eternal ignorance by admitting you could not see the relation between the examples shown and the original problem.

"None of these examples come close to the OP equation.."

You are disqualified! I'm done with you now.
 
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