## Math: 6÷2(1+2) = ? | |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 08:02 PM Report Abusive Post Report Copyright Violation | I see the idiots are out tonight. "it is 9, because it is". You are a retarded troll... troll on. Quoting: Here is what you DON'T know: (6/2) must be in parentheses to multiply something also in ( ). 6 ÷ 2n = 3/n (6/2) must be in ( ) to distribute. In this equation, is is not, so we distribute the 2. Here is your lesson, once again. Go learn, or remain ignorant: [link to cstl.syr.edu] caper_26 You are dead wrong. 6÷2(1+2)= 3(3)= 9 It's actually there in your link. What a dumbass you are. |

caper_26User ID: 32057798 Canada 01/21/2013 08:05 PM Report Abusive Post Report Copyright Violation | |

caper_26User ID: 32057798 Canada 01/21/2013 08:07 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 08:08 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 32715180 Germany 01/21/2013 08:08 PM Report Abusive Post Report Copyright Violation | The logic is not hard to understand, but I have never seen it written that way. It is not proper written math imo. Quoting: Anonymous Coward 32715180 Your opinion doesn't matter to math LAWS: [link to www.onemathematicalcat.org] [link to www.math.com] caper_26 Yes, you can write it that way with variables. But not in a normal equation without variables, that is where I diagree. |

DUCM900User ID: 32755121 Italy 01/21/2013 08:12 PM Report Abusive Post Report Copyright Violation | You are dead wrong. Quoting: 6÷2(1+2)= 3(3)= 9 It's actually there in your link. What a dumbass you are. Anonymous Coward 32762094 Get a life >>>> [link to i1249.photobucket.com] and a scientific calculator as well... . |

Anonymous Coward User ID: 4614616 United States 01/21/2013 08:15 PM Report Abusive Post Report Copyright Violation | |

caper_26User ID: 32057798 Canada 01/21/2013 08:16 PM Report Abusive Post Report Copyright Violation | Yes, you can write it that way with variables. But not in a normal equation without variables, that is where I diagree. Quoting: Anonymous Coward 32715180 Dumb dumb dumb... Variables Quoting: In algebraic expressions, letters represent variables. These letters are actually numbers in disguise. In this expression, the variables are x and y. We call these letters "variables" because the numbers they represent can vary—that is, we can substitute one or more numbers for the letters in the expression.math.comGod you know absolutely nothing about math, let alone the equation at hand. You can't solve THIS equation, nor any of the other ones I gave you... you don't know the identity law, the distributive property, or what a variable is. Who failed grade 3 ???? "I'm trying to free your mind, Neo. But I can only show you the door. You're the one that has to walk through it." |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 08:17 PM Report Abusive Post Report Copyright Violation | You are dead wrong. Quoting: 6÷2(1+2)= 3(3)= 9 It's actually there in your link. What a dumbass you are. Anonymous Coward 32762094 Get a life >>>> [link to i1249.photobucket.com] and a scientific calculator as well... . DUCM900 you and you're casio are doing it wrong. [link to www.wolframalpha.com] |

Anonymous Coward User ID: 32715180 Germany 01/21/2013 08:18 PM Report Abusive Post Report Copyright Violation | Yes, you can write it that way with variables. But not in a normal equation without variables, that is where I diagree. Quoting: Anonymous Coward 32715180 Dumb dumb dumb... Variables Quoting: In algebraic expressions, letters represent variables. These letters are actually numbers in disguise. In this expression, the variables are x and y. We call these letters "variables" because the numbers they represent can vary—that is, we can substitute one or more numbers for the letters in the expression.math.comGod you know absolutely nothing about math, let alone the equation at hand. You can't solve THIS equation, nor any of the other ones I gave you... you don't know the identity law, the distributive property, or what a variable is. Who failed grade 3 ???? caper_26 The how is this wrong? 6÷2(1+2)= 3(3)= 9 |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 08:19 PM Report Abusive Post Report Copyright Violation | |

DUCM900User ID: 32755121 Italy 01/21/2013 08:22 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 23928068 United States 01/21/2013 08:27 PM Report Abusive Post Report Copyright Violation | PEMDAS, Parenthesis, exponents, multiplication OR division left to right, Addition OR subtraction left to right. 6/2(1+2) 6/2(3) 3(3) 9 But, this was not taught to people this way before the seventies, because I know people in their 60s and 70's will disagree to the grave on how to do this. |

Anonymous Coward User ID: 32447952 United Kingdom 01/21/2013 08:29 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 08:30 PM Report Abusive Post Report Copyright Violation | |

DUCM900User ID: 32755121 Italy 01/21/2013 08:33 PM Report Abusive Post Report Copyright Violation | Right, millions of people used this calculators since decades and nobody complains; Now we have a finnish guy that discover a nice site that should change the world. Interesting... [] Last Edited by IWASTHERE on 01/21/2013 08:36 PM |

Anonymous Coward User ID: 31702484 Canada 01/21/2013 08:35 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 08:43 PM Report Abusive Post Report Copyright Violation | Right, millions of people used this calculators since decades and nobody complains; Now we have a finnish guy that discover a nice site that should change the world. Interesting... [] DUCM900 It's just basic math. You don't have to believe me if you don't want to. I'll put this here: It’s important to note that not all calculators handle the order of operations in the standard way. Quoting: askamathematician.com[link to www.askamathematician.com] |

caper_26User ID: 32057798 Canada 01/21/2013 08:46 PM Report Abusive Post Report Copyright Violation | Because the equation is 6 ÷ 2(2+1) = 3/(2+1) = 1 THAT's how. 6 ÷ 2n = 3/n. Ask your stupid wolfram if that is true. n = 2+1 Wolfram, and everyone other calculator doesn't know how to substitute variables with values. It knows 2n/2n = 1 6/2n = 3/n But when you try and fill a value in, it throws up. Therefore, if you can't do algebra, let wolfram do it for you, then when it simplifies the equation for your dumbass, fill in 2+1. 6 ÷ 2n = 3/nn = 2+1 6 ÷ 2(2+1) = 1 "I'm trying to free your mind, Neo. But I can only show you the door. You're the one that has to walk through it." |

Anonymous Coward User ID: 32528667 Brazil 01/21/2013 08:51 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 08:51 PM Report Abusive Post Report Copyright Violation | Because the equation is 6 ÷ 2(2+1) = 3/(2+1) = 1 THAT's how. 6 ÷ 2n = 3/n. Ask your stupid wolfram if that is true. n = 2+1 Wolfram, and everyone other calculator doesn't know how to substitute variables with values. It knows 2n/2n = 1 6/2n = 3/n But when you try and fill a value in, it throws up. Therefore, if you can't do algebra, let wolfram do it for you, then when it simplifies the equation for your dumbass, fill in 2+1. 6 ÷ 2n = 3/nn = 2+1 6 ÷ 2(2+1) = 1 caper_26 This: 6 ÷ 2(2+1) = 3/(2+1) is just plain wrong. you don't get an extra division just because you want to, okay. right way: 6 ÷ 2(2+1) = 3(2+1) |

Anonymous Coward User ID: 20053617 United States 01/21/2013 08:53 PM Report Abusive Post Report Copyright Violation | 0_o what is happening to you people that you can't figure out the simple rule of PEDMAS? First we work parentheses: 6÷2(3) The only reason the parenthesis stays is so that we know we have a multiplicative relationship between 2 and 3, otherwise it would have been removed. To continue on, we then move on to multiplication/division. Since we have division first from left to right, we work it out first: 3(3) then work this out and the answer is 9. 9 is the answer. |

caper_26User ID: 32057798 Canada 01/21/2013 08:59 PM Report Abusive Post Report Copyright Violation | is just plain wrong. you don't get an extra division just because you want to, okay. Quoting: Anonymous Coward 32762094 FAIL. You ignored the proof. You ALL ignore what proves you wrong. You ALL fail to address every law that shows it is 1. "I'm trying to free your mind, Neo. But I can only show you the door. You're the one that has to walk through it." |

caper_26User ID: 32057798 Canada 01/21/2013 09:00 PM Report Abusive Post Report Copyright Violation | Distributive Property: Quoting: "We use the distributive property to help us find a way around the order of operations while still being sure that we keep the value of the expression." [link to en.wikibooks.org] Distribute BEFORE "pedmas" to REMOVE parentheses [link to www.algebra.com] Get Rid of parentheses with Distribution: [link to www.helpalgebra.com] "When simplifying expressions with parentheses, you will be applying the Distributive Property." -purplemath The Distributive Property in ALgebra: The Distributive Property is handy to help you get rid of parentheses. a(b + c) = ab + ac [link to math.about.com] These guys got it right, they use "Parentheses" in the order of operations to require Distributive Property. Ref: Purplemath [link to www.purplemath.com] Example of parentheses: [link to www.purplemath.com] "Whatever is enclosed in parentheses must be simplified first, or if not, it must interact as a quantity with anything outside. This means any operation on the quantity in parentheses must be applied to all of its parts. The most common and important example is called the distributive property." -holytutoring [link to www.hoyletutoring.com] If there is some factor multiplying the parentheses, then the only way to get rid of the parentheses is to multiply using the distributive law. [link to www.jamesbrennan.org] Distributive property CAN be used with numbers.: [link to louisacounty.va.schoolwebpages.com] Distribution Picture: [link to www.shmoop.com] The Internet |

Anonymous Coward User ID: 32762094 Finland 01/21/2013 09:03 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 32614604 Australia 01/21/2013 09:07 PM Report Abusive Post Report Copyright Violation | |

caper_26User ID: 32057798 Canada 01/21/2013 09:15 PM Report Abusive Post Report Copyright Violation | NO. You absolutely REQUIRE ( ) around the 6 ÷ 2. Derivation: 6 + 3 = 9 Now factor out 6/2: (6/2)2 + (6/2)1 = 9 (6/2)(2+1) = 9 (6 ÷ 2)(2 + 1) = 9 Fractional Coefficients require parentheses if they use a '/' |

Anonymous Coward User ID: 32614604 Australia 01/21/2013 09:25 PM Report Abusive Post Report Copyright Violation | NO. You absolutely REQUIRE ( ) around the 6 ÷ 2. Derivation: 6 + 3 = 9 Now factor out 6/2: (6/2)2 + (6/2)1 = 9 (6/2)(2+1) = 9 (6 ÷ 2)(2 + 1) = 9 Fractional Coefficients require parentheses if they use a '/' caper_26 no they don't, / is the same as divide symbol. so for mutiply and divide, you go left to right. 6/2 * (1+2) could be written as: a * b where: a = 6/2 b = (1+2) the bizarre bit is that some people would rather write it as a/b for some reason. it is clearly multiplication, not division. |

caper_26User ID: 32057798 Canada 01/21/2013 09:30 PM Report Abusive Post Report Copyright Violation | no they don't, / is the same as divide symbol. so for mutiply and divide, you go left to right. Quoting: 6/2 * (1+2)could be written as: a * b where: a = 6/2 b = (1+2) the bizarre bit is that some people would rather write it as a/b for some reason. it is clearly multiplication, not division. Anonymous Coward 32614604 I bolded your equation above. It is = 9. 6 ÷ 2n = 3/n 6 ÷ 2 * n = 3n If you don't understand this, say so. Don't say it isn't, because your word doesn't change the laws of math. |

Anonymous Coward User ID: 32614604 Australia 01/21/2013 09:31 PM Report Abusive Post Report Copyright Violation | |

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