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Started By
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1
Posted on 9/5/17 at 1:08 pm to Placebeaux
quote:9 is the correct answer as you how written it, and you have incorrectly written the problem given the picture you provided.
You can find comfort in knowing the 40% of Japanese 20 year olds got it wrong as well.
This post was edited on 9/5/17 at 1:10 pm
Posted on 9/5/17 at 1:09 pm to Placebeaux
It's 9.
Posted on 9/5/17 at 1:11 pm to lsupride87
quote:Agreed. And you know what you should do now? Stop doing this:
Again, which is what he should have done
quote:
I am simply answering the problem that the OP has written twice. It remains 9
You and LNCHBOX seem to be on the same "team" here, so this goes for the both of you...
Judging from this thread, here are your skill(s):
Elementary arithmetic (congratulations)
And this is what you should work on:
Problem-solving skills
Observational skills
Posted on 9/5/17 at 1:13 pm to JamalSanders
It's 1
Posted on 9/5/17 at 1:14 pm to Placebeaux
quote:
9-3÷1/3+1=
Still = 9.
This would be 1, as the horizontal fraction bar is treated different than a "/" and is commonly used as a grouping symbol.
Posted on 9/5/17 at 1:15 pm to Placebeaux
quote:This is 1:
It's 1
What you wrote:
quote:Is 9, and is not the same problem as the picture you posted.
9-3÷1/3+1=
Posted on 9/5/17 at 1:16 pm to LSUBoo
Posted on 9/5/17 at 1:16 pm to LSUBoo
quote:Correct. OP's problem still has an answer of 9.
This would be 1, as the horizontal fraction bar is treated different than a "/" and is commonly used as a grouping symbol.
Posted on 9/5/17 at 1:17 pm to Placebeaux
quote:And you wrote the problem and presented it to us as the common mistake
Placebeaux
What dont you understand?
Posted on 9/5/17 at 1:18 pm to Placebeaux
That's actually incorrect. The first half of line one =/= the second of line one.This post was edited on 9/5/17 at 1:19 pm
Posted on 9/5/17 at 1:18 pm to lsupride87
I was only going off the pic. The pic is 1
Posted on 9/5/17 at 1:18 pm to lsupride87
The only reason I wrote it like that was because my keyboard didnt have the division sign
Posted on 9/5/17 at 1:20 pm to lsupride87
1 / 2 The slanted line in 1/2 is called a virgule or solidus.
1 -:- 2 The division symbol that looks like a hyphen with dots above and below, of which this is a poor approximation, is called an obelus.
The horizontal line used in a fraction is sometimes called a vinculum, though that more properly applies to cases where a line is made over something to hold it together, as in a square root, or a repeating fraction..
1 -:- 2 The division symbol that looks like a hyphen with dots above and below, of which this is a poor approximation, is called an obelus.
The horizontal line used in a fraction is sometimes called a vinculum, though that more properly applies to cases where a line is made over something to hold it together, as in a square root, or a repeating fraction..
Posted on 9/5/17 at 1:20 pm to Placebeaux
quote:It doesn't matter if it had the division sign of not, the syntax requires a (1/3) regardless of what sign for division preceded it.
The only reason I wrote it like that was because my keyboard didnt have the division sign
Posted on 9/5/17 at 1:20 pm to Rhames
quote:Correct
I was only going off the pic. The pic is 1
Posted on 9/5/17 at 1:22 pm to Placebeaux
quote:Well you changed the equation. If you could not use the horizontal fraction bar, also known as the vinculum, you needed to add a parenthesis.
The only reason I wrote it like that was because my keyboard didnt have the division sign
A / does not hold two numbers together without a (). A horizontal fraction bar like your picture, does
Posted on 9/5/17 at 1:22 pm to lsupride87
I was going to mention the vinculum... but it's probably not worth it in here as it's more normally applied in other ways.
Either way, a fraction bar is a grouping tool. When used graphically everything above and below the bar is one group and should be treated as such.
Either way, a fraction bar is a grouping tool. When used graphically everything above and below the bar is one group and should be treated as such.
Posted on 9/5/17 at 1:31 pm to buckeye_vol
Well the rest of the correct mathworld disagrees with you
Posted on 9/5/17 at 1:38 pm to Placebeaux
quote:I don't know who the rest of the math world is, but:
Well the rest of the correct mathworld disagrees with you
(a) 3÷1/3 = 3/1/3 = 3/1÷3 = 3÷1÷3
And:
(b) 3÷(1/3) = 3/(1/3) = 3/(1÷3) = 3÷(1÷3)
And:
(a) =/= (b)
This post was edited on 9/5/17 at 1:52 pm
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