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Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

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  • Originally posted by joecct View Post
    my android gave the answer as 9. can somebody check out an iPhone?
    9

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    • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

      Wolfram Alpha: 9

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      • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

        6÷2(2+1) = 9

        This would also be read as 6÷2*3. Because the multiplication and division hold the same importance in an equation, you then move from left to right in your order of operations.

        Thus... 6÷2=3, and 3*3=9.
        "The party told you to reject the evidence of your eyes and ears. It was their final, most essential command." George Orwell, 1984

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        • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

          Originally posted by St. Clown View Post
          6÷2(2+1) = 9

          This would also be read as 6÷2*3. Because the multiplication and division hold the same importance in an equation, you then move from left to right in your order of operations.

          Thus... 6÷2=3, and 3*3=9.
          Heh. I was wrong. My bad.
          **NOTE: The misleading post above was brought to you by Reynold's Wrap and American Steeples, makers of Crosses.

          Originally Posted by dropthatpuck-Scooby's a lost cause.
          Originally Posted by First Time, Long Time-Always knew you were nothing but a troll.

          Comment


          • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

            Originally posted by joecct View Post
            6÷2(2+1)

            Is the answer 9 or 1?

            One calculator gave the answer as 9, the other 1.

            Using ()MDAS, the answer is 1.
            If you treat ÷ & * equally, and solve it as 6÷2*3 the answer is 9.

            Opinions??
            1. PEMDAS. M > D.

            Edit: oh sh-t. That's wrong. How on earth can I have been wrong about this for 55 years and never actually gotten a wrong result? I guess parens have become ubiquitous.
            Last edited by Kepler; 04-04-2019, 10:26 AM.
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            • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

              Originally posted by Kepler View Post
              1. PEMDAS. M > D.

              Edit: oh sh-t. That's wrong. How on earth can I have been wrong about this for 55 years and never actually gotten a wrong result? I guess parens have become ubiquitous.
              I was going to say you should re-read your link, but looks like you got there. Clown is correct, M = D, so proceed from left to right.

              Comment


              • Originally posted by St. Clown View Post
                6÷2(2+1) = 9

                This would also be read as 6÷2*3. Because the multiplication and division hold the same importance in an equation, you then move from left to right in your order of operations.

                Thus... 6÷2=3, and 3*3=9.
                I was wondering if I was losing my mind, I kept getting 9.

                Comment


                • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

                  Originally posted by jerphisch View Post
                  I was going to say you should re-read your link, but looks like you got there. Clown is correct, M = D, so proceed from left to right.
                  It amazes me that I have been wrong about this. It's like finding out you have the alphabet wrong. I just assume at some point in my life I'd have hit something which conclusively corrected me. It's not as if I don't use algebra ALL THE TIME EVERY F-CKING DAY. I've got a quantitative methods degree for god's sake.
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                  • Originally posted by Kepler View Post
                    It amazes me that I have been wrong about this. It's like finding out you have the alphabet wrong. I just assume at some point in my life I'd have hit something which conclusively corrected me. It's not as if I don't use algebra ALL THE TIME EVERY F-CKING DAY. I've got a quantitative methods degree for god's sake.
                    time to up the requirements on those degrees!
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                    • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

                      Originally posted by JF_Gophers View Post
                      time to up the requirements on those degrees!
                      Stanford. Your joke here.
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                      • Originally posted by joecct View Post
                        6÷2(2+1)

                        Is the answer 9 or 1?

                        One calculator gave the answer as 9, the other 1.

                        Using ()MDAS, the answer is 1.
                        If you treat ÷ & * equally, and solve it as 6÷2*3 the answer is 9.

                        Opinions??
                        IMHO, none of the above, since the usage of symbols is not correct. It’s wrong to mix the symbols like that.

                        It’s either 6÷2x(2+1) or 6/2(2+1). Using the implied and the intentional at the same time is wrong syntax.

                        Comment


                        • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

                          Originally posted by alfablue View Post
                          IMHO, none of the above, since the usage of symbols is not correct. It’s wrong to mix the symbols like that.

                          It’s either 6÷2x(2+1) or 6/2(2+1). Using the implied and the intentional at the same time is wrong syntax.
                          Excellent explanation as to why it was so confusing.
                          **NOTE: The misleading post above was brought to you by Reynold's Wrap and American Steeples, makers of Crosses.

                          Originally Posted by dropthatpuck-Scooby's a lost cause.
                          Originally Posted by First Time, Long Time-Always knew you were nothing but a troll.

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                          • Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2

                            Originally posted by alfablue View Post
                            IMHO, none of the above, since the usage of symbols is not correct. It’s wrong to mix the symbols like that.
                            It's confusing but it's not "wrong." That is a well-formed expression. It's not undefined.
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                            ECAC Champion 1967, 1968, 1969, 1970, 1973, 1980, 1986, 1996, 1997, 2003, 2005, 2010
                            Ivy League Champion 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1977, 1978, 1983, 1984, 1985, 1996, 1997, 2002, 2003, 2004, 2005, 2012, 2014, 2018, 2019, 2020

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                            • Originally posted by Kepler View Post
                              It's confusing but it's not "wrong." That is a well-formed expression. It's not undefined.
                              It’s a syntax error.

                              You can’t mix styles like that and pretend the implied operations still work. That’s the entire reason there are rules to the operations.

                              Comment


                              • Originally posted by alfablue View Post
                                It’s a syntax error.

                                You can’t mix styles like that and pretend the implied operations still work. That’s the entire reason there are rules to the operations.
                                I'd definitely prefer it if what you're saying were formally true, but is it? Can you point to any sort of reference or authority on this?

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