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Started By
Message
2
Posted on 9/6/17 at 1:06 pm to LNCHBOX
quote:Wow!
Wrong on all 3 counts.
Look, I'm serious here, no bullshite. The answer is 1. If you don't agree, then you REALLY should revisit grade school math.
Horizontal lines group numbers just like parentheses do. The line in the fraction one-third is not a division operation.
Stop ASSUMING you know this (assumptions have no place in math, right?) and look it up. You will re-learn something today.
Posted on 9/6/17 at 1:08 pm to Korkstand
Holy frick, you're dumb. I was not saying the answer to the graphic isn't 1, Mr. Superior Observationist. Congrats on getting one last reply out of me though.
Posted on 9/6/17 at 1:14 pm to LNCHBOX
quote:
Holy frick, you're dumb.
quote:Really? Because my superior observationist skills read this
I was not saying the answer to the graphic isn't 1, Mr. Superior Observationist.
quote:That's me saying the answer to the problem OP tried to transcribe (that is, the one from the graphic) is 1, and you very clearly saying that it is not.quote:Hmm, no it isn't.
Hm, no, the answer to the problem OP tried to transcribe is 1.
quote:I just want as many replies as it takes to make sure you understand the problem and solution.
Congrats on getting one last reply out of me though.
Posted on 9/6/17 at 1:15 pm to LNCHBOX
You've been done with this thread for a couple of pages now.
Posted on 9/6/17 at 1:31 pm to Darth_Vader
quote:That's because he's very good at following instructions, and while the thread title very clearly says to solve this math problem, nowhere does it say when to stop.
You've been done with this thread for a couple of pages now.
Posted on 9/6/17 at 1:57 pm to Korkstand
quote:
Horizontal lines group numbers just like parentheses do. The line in the fraction one-third is not a division operation.
Link please
Posted on 9/6/17 at 3:04 pm to DownshiftAndFloorIt
quote:quote:Link please
Horizontal lines group numbers just like parentheses do. The line in the fraction one-third is not a division operation.
LINK
quote:
A horizontal line placed over an expression to show that everything below the line is one group, such as the horizontal line in the square root symbol that shows which values are part of the square root. In some countries it is the horizontal line used to separate the numerator and denominator in a fraction.
LINK
quote:
A vinculum is a horizontal line used in mathematical notation for a specific purpose.
It may be placed as an overline (or underline) over (under) a mathematical expression to indicate that the expression is to be considered grouped together
LINK
quote:
you do need to know that sometimes fractions are a bit sneaky. There are parentheses in fractions that you can't see. Invisible parentheses around everything in the numerator and similarly around the denominator.
And if you still aren't convinced, a very simple example:
What is one-half divided by one-half? It's obviously 1, correct? Well, if you (incorrectly) treat one-half as a division operation, then apply the standard order of operations like you seem to think is correct, you would do 1/2/1/2, which yields 1/4.
Do you not remember that when you divide by a fraction, you can instead multiply by its inverse? We can do this only because a fraction is its own term. The line in a fraction does indicate that the numerator should be divided by the denominator, BUT that operation is contained to within the fraction by "invisible" parentheses.
This post was edited on 9/6/17 at 3:06 pm
Posted on 9/6/17 at 3:24 pm to Korkstand
Love the downvote whoever you are.
Just take a problem like this
In our earliest dealings with fractions, we learned to "flip" that one-half, then multiply to get the answer of 4. But in the context of OP's problem, people get into PEMDAS mode and totally forget that fractions are different than standard division operations, and they go ahead and do 2/1/2, to get an answer of 1. This should be obviously wrong at this point.
Just take a problem like this
In our earliest dealings with fractions, we learned to "flip" that one-half, then multiply to get the answer of 4. But in the context of OP's problem, people get into PEMDAS mode and totally forget that fractions are different than standard division operations, and they go ahead and do 2/1/2, to get an answer of 1. This should be obviously wrong at this point.
Posted on 9/6/17 at 3:40 pm to LNCHBOX
quote:
Wrong on all 3 counts. No, I'm done with the thread because it's beyond pointless.
Quitter
Posted on 9/6/17 at 3:46 pm to Korkstand
Ahhh ok. You win internet today
Posted on 9/6/17 at 4:20 pm to Korkstand
quote:
The problem has since been corrected definitively with a graphic version, and the solution is most certainly 1.
Fact:
The solution to what the OP typed out is 9
Fact:
The solution to the graphic is 1
Fact:
Korkstand sucks
Posted on 9/6/17 at 4:28 pm to Placebeaux
? = 1
Posted on 9/6/17 at 4:32 pm to Langland
Why do I get 0 when I convert the fraction into a decimal?
Posted on 9/6/17 at 4:45 pm to Placebeaux
quote:All I can figure is you're either trolling or you "converted" 1/3 into .3 instead of .3333...
Why do I get 0 when I convert the fraction into a decimal?
Posted on 9/6/17 at 4:52 pm to Placebeaux
9-9+1=1
Posted on 9/6/17 at 5:07 pm to lsupride87
quote:
Fact:
Korkstand sucks
Korkstand is the shining beacon of reason in this thread.
Posted on 9/6/17 at 6:03 pm to Korkstand
I concede. This is all mathematical grammar.
Per 8th grade math (which we learned before algebra and order of operations), I guess the horizontal line notation of the division operator (like in the graphic) is an implied parentheses around the division operation to teach us things like the multiplication of inverse when dividing by fractions. In my mind, it should still have parentheses, but I guess it is common shorthand.
To play into it being a vinculum, grouping is also implied for the numerator and denominator. Each group must be resolved first. Simple here.
Well played.
Per 8th grade math (which we learned before algebra and order of operations), I guess the horizontal line notation of the division operator (like in the graphic) is an implied parentheses around the division operation to teach us things like the multiplication of inverse when dividing by fractions. In my mind, it should still have parentheses, but I guess it is common shorthand.
To play into it being a vinculum, grouping is also implied for the numerator and denominator. Each group must be resolved first. Simple here.
Well played.
This post was edited on 9/6/17 at 6:25 pm
Posted on 9/6/17 at 6:08 pm to Placebeaux
I actually got this one right and I never get this kind of shite right on here
Posted on 9/6/17 at 6:12 pm to Placebeaux
Depends, ( ) would be helpful
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