I find the lack of intelligence depressing
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When trying to simplify complex equations. I remind you that is the real world even if you don't preform such operations. Those equations represent real life phenomenon and understanding them directly results in a greater understanding of the real world and allowed us to advance to the point we are today as a civilization.Dirty Hipsters said:
I will agree however that you do not typically multiply by zero during the average days calculations of determining costs and quantities and such. However, the person you quoted was stating PEMDAS (order of operations) is important for such calculations. Which it is since many calculations have more than one type of operation, and if you get them mixed your resulting answer will be drastically different.
OT: Getting such a simple calculation wrong is more likely the lack of oversight rather than a lack of intelligence or at the most a lack of knowledge. I emphasize that intelligence and knowledge are drastically different.
Even I originally got it wrong because I did not see the -1 and grouped it together with the +1 (and I have nearly completed a minor in mathematics). In statistics this is called a biased question, as it is specifically designed to trick the person answering a certain way (incorrectly) unless they pay careful attention and thus those who do not care enough to do so (the majority of people filling out this out as its a facebook poll) will stumble in some manner. This is accomplished by adding an excess of 1+ in order to put the survey taker into a sort of trance its hard to focus on any one part and thus what last enters your head sticks with greater emphasis and since most people are just clicking and moving on with their day without a second thought they answer incorrectly..
If you truly wanted to test peoples understanding of the order of operations you would use multiple questions to accurately assess there skills such as the following.
2-1+4=?
3+2*7=?
6/2+8=?
(3+2)*2+2=?
(8*2+1)^2=?
You would continue as such until you had a wide range of difficulty and preferably a concise enough list (10 or so) so that the participant does not because bored/exhausted.
Moral of the story, don't base your opinions on such polls/surveys as they are naturally biased and only exist to mislead you into the wrong conclusion. It may give you what for lack of a better word is a "hunch" but follow that hunch up with an actual study.
You find the lack of intelligence depressing?cookyy2k said:Ok, I realise facebook isn't the place to go for intelligence but seriously...
This is one those vote quiz things that goes around. If you look the answer 0 is winning on almost a million. This means almost a million people since this stared, a week ago, cannot do simple maths.
What's more is this is just those on facebook who've seen this and bothered to answer. This is a seriously depressing realisation of what humanity is becoming.
Edited to remove typo in title.
I find your lack of faith...disturbing.
Everyone's an idiot! Thank god we're all geniuses! I'd hate to be as dumb as a commoner.
But really, I had to look at that like three times before I even gave enough of a shit to start doing it in my head, I got caught by the same trick as everyone else, since this is a trick question designed to make people look stupid, and digging up PEMDAS from the back of my memory wasn't even really worth it. I don't really feel superior to anyone, since most everyone could probably do this if they thought about it/were informed about orders of operations. As I always say, knowledge is not intelligence.
But really, I had to look at that like three times before I even gave enough of a shit to start doing it in my head, I got caught by the same trick as everyone else, since this is a trick question designed to make people look stupid, and digging up PEMDAS from the back of my memory wasn't even really worth it. I don't really feel superior to anyone, since most everyone could probably do this if they thought about it/were informed about orders of operations. As I always say, knowledge is not intelligence.
No, as a general rule, the order of the individual functions in the equation is irrelevant, instead priority is determined by the TYPE of function performed. This is only overriden by various types of brackets.Madara said:
One of the only rare exceptions i can think of is when you're taking the F and C of x, where F and C are both functions, but the order is actually to do the last first because it's actually C(F(x)) if written in the order I had beforehand.
So yea, in a problem where there are multiple instances of pretty much any operation, you are mathmatically correct if you perform instances of the same function in any order, as long as you stick to the priority. If you start doing addition before finishing all the multiplication for example then there are no guarantees that the problem will be correct, exempting of course brackets of some sort and rare exceptions with unique rules.
Why does this work? Associative property (4+6)+9 = 4+(6+9) and communicative property (1 + 3 = 3 + 1), mutliplication is the same way, and while division and subtraction are not, that's because division is actually multiplying by the inverse of the second number in the expression and then multiplying them (4/6 = (4 * (1/6)) ) and subtraction is actually multipying the second number by -1 and adding them together ( 4 - 3 = (4 + (-3)) ). Once you transform them into multiplication and addition, both properties apply.
So I'm sorry, but you're incorrect, a *0 at the end (or anywhere) only makes the result 0 automatically if every number is connected by multiplication.
PEDMAS is the given assumption for all mathematics, if you are using the symbols that PEDMAS functions under then you are using PEDMAS.Madara said:
If you're not using PEDMAS then use symbols that specify a left to right order of operations.
You are accusing him of using an assumption, but left to right order of operations is just as much an assumption, and the symbols used explicitly state PEDMAS order of operations. Feel free to invent mathematical symbols that say otherwise (would save me brackets), but the given problem is PEDMAS.
Sure, I remember it when it's important. But when I'm not really invested in the equation for any reason, I'll probably forget about it because it's Math and I've never given a shit about math. Especially once letters started getting into the mix and making me look stupid.Serris said:
I'm sure there are supermodels and celebrity relationships that some of the people who answered 0 would laugh at you for not knowing. And there'll be some professors who think your knowledge of games is the reason you don't know more about quantum physics or the mechanisms of evolution. All humans have intelligence, and a limited time to engage it in the real world, some just decide to use it in different ways than others.
Most people have been so unbelievably stupid, throughout history, that its really hard to comprehend the depths of it. The difference is before you'd never read what those people wrote. Now they have the internet, and they're all a'twitter.
See comment boards on news websites for evidence.
See comment boards on news websites for evidence.
Sigh...ok
To answer the math problem from quite a few weeks ago:
48/2*(9+3)
According to PEMDAS, you do the parenthesis first. So...
48/2*12
Then you do multiplication and division from LEFT to RIGHT.
24*12
= 288
As for the ones problem:
1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1+1*0
There are no parenthesis or exponents, so do the multiplying first. Anything times zero is of course zero so you get:
1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1+0
which equals 14.
The only way it could equal 0 is if the original problem looked like this:
(1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1+1)*0
And not everyone is good at math. I happen to be, but everyone has their strengths.
To answer the math problem from quite a few weeks ago:
48/2*(9+3)
According to PEMDAS, you do the parenthesis first. So...
48/2*12
Then you do multiplication and division from LEFT to RIGHT.
24*12
= 288
As for the ones problem:
1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1+1*0
There are no parenthesis or exponents, so do the multiplying first. Anything times zero is of course zero so you get:
1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1+0
which equals 14.
The only way it could equal 0 is if the original problem looked like this:
(1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1+1)*0
And not everyone is good at math. I happen to be, but everyone has their strengths.
I'm far from a Math Major (Bio) but I was pretty good at math back in the day. This is mildly pathetic, if only because it's almost at 1 million (a lot of people suck at math, and most don't have the order of operations in their daily lives, in their defense)
I can assure you that your cerebral brain mass is roughly the equivalent as the people you point out as stupid and the same as everyone else on the planet for that brain matter.
So people don't give a crap about some trivial question they check off somewhere non-important. Yes, the future does look bleak, doesn't it now.