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    #16
    Re: Can someone please explain this maths question..

    Originally posted by Jembru View Post
    Never mind. I worked out the pattern and got it right!! I feel like such a smarty-pants right now!
    Got it! I'm good with numbers, though.
    Last edited by DanieMarie; 05 Mar 2017, 05:15.

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      #17
      Originally posted by anunitu View Post
      So post the answer..
      Nah i got it. The pattern is easy.
      ThorSon's milkshake brings all the PF girls to the yard - Volcaniclastic

      RIP

      I have never been across the way
      Seen the desert and the birds
      You cut your hair short
      Like a shush to an insult
      The world had been yelling
      Since the day you were born
      Revolting with anger
      While it smiled like it was cute
      That everything was shit.

      - J. Wylder

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        #18
        Re: Can someone please explain this maths question..

        Originally posted by DanieMarie View Post
        Got it! I'm good with numbers, though.
        I'm usually the kind of person who panics when faced with numbers. The Line questions have gradually made me less apprehensive though. I'd never tried a question like this one before though so when my first thought wasn't right, I just quit and posted it here.

        However, a few hours later I was watching a video on youtube on how to beat procrastination (I'm always looking for hacks to help with my studies). The guy talked about 'getting in the flow'. It made me curious so I tried the tip and then took another look at the question. The answer hit me within seconds! Pretty crazy because I've never had that happen before with maths.



        (the bit I'm talking about starts at around 6 minutes in)
        Last edited by Jembru; 05 Mar 2017, 15:47.
        夕方に急なにわか雨は「夕立」と呼ばれるなら、なぜ朝ににわか雨は「朝立ち」と呼ばれないの? ^^If a sudden rain shower in the evening is referred to as an 'evening stand', then why isn't a shower in the morning called 'morning stand'?

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          #19
          Re: Can someone please explain this maths question..

          Can someone please explain the maths behind this one? I'm sure I'll have learnt it at school but I never quite got my head around equations and I'm not sure why dividing 20 by 1/2 doubles it. Teach me!! Make me learn stuff!! Please!!!
          Attached Files
          夕方に急なにわか雨は「夕立」と呼ばれるなら、なぜ朝ににわか雨は「朝立ち」と呼ばれないの? ^^If a sudden rain shower in the evening is referred to as an 'evening stand', then why isn't a shower in the morning called 'morning stand'?

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            #20
            Re: Can someone please explain this maths question..

            Point 5,as in .5(the 1/2) goes into 20 40 times as in there are 40 parts of .5 in 20.
            MAGIC is MAGIC,black OR white or even blood RED

            all i ever wanted was a normal life and love.
            NO TERF EVER WE belong Too.
            don't stop the tears.let them flood your soul.




            sigpic

            my new page here,let me know what you think.


            nothing but the shadow of what was

            witchvox
            http://www.witchvox.com/vu/vxposts.html

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              #21
              Re: Can someone please explain this maths question..

              Originally posted by anunitu View Post
              Point 5,as in .5(the 1/2) goes into 20 40 times as in there are 40 parts of .5 in 20.
              Oh it's not half of twenty, it's just half of a unit. Yeah that makes sense now. Thank you!!

              Honestly, I've learnt so much that I never quite grasped in school thanks to Line! No doubt I'll be back with another one in a week or two.
              夕方に急なにわか雨は「夕立」と呼ばれるなら、なぜ朝ににわか雨は「朝立ち」と呼ばれないの? ^^If a sudden rain shower in the evening is referred to as an 'evening stand', then why isn't a shower in the morning called 'morning stand'?

              Comment


                #22
                Re: Can someone please explain this maths question..

                So... in the US, there's the Please Excuse My Dear Aunt Sally (PEMDAS or Parentheses, Exponents, Multiplication, Division, Addition, Subtraction) saying, which actually screws students up because either they don't remember it correctly, or they aren't taught it correctly (PE/MD/AS Left to Right). From what I understand, the UK and Australia have similar (but different) mnemonics for order of operations.

                Anyhoo, whatever the mnemonic, people should really just be taught to memorize that they do grouping symbols first (from the most nested working their, way outside), then Multiplication & Division, and last Addition & Subtraction, working from left to right, where "grouping symbols" include parentheses, exponents, square roots, fractions, radicals, etc.

                So in your problem, you'd solve for 1/2 first since its a grouped (as a fraction) by the fraction bar, and then you'd divide 20 by the answer (0.5), and then you'd add 5 to the answer. I know Anu answered the question for you, but if you think about it that way, I think it makes sense where someone might otherwise think its some weird trick way of asking for what is half of 20.
                Wonderful Life: The Burgess Shale and the Nature of HistoryPagan Devotionals, because the wind and the rain is our Bible
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                  #23
                  Re: Can someone please explain this maths question..

                  There is a name for an inverted Division

                  Here is a good explanation.

                  It has been a long time,but I remember there are rules that govern operations,the names escape me these days(Use it or lose it)

                  This is a good place about rules
                  MAGIC is MAGIC,black OR white or even blood RED

                  all i ever wanted was a normal life and love.
                  NO TERF EVER WE belong Too.
                  don't stop the tears.let them flood your soul.




                  sigpic

                  my new page here,let me know what you think.


                  nothing but the shadow of what was

                  witchvox
                  http://www.witchvox.com/vu/vxposts.html

                  Comment


                    #24
                    Aus has BEDMAS (brackets). So same thing
                    ThorSon's milkshake brings all the PF girls to the yard - Volcaniclastic

                    RIP

                    I have never been across the way
                    Seen the desert and the birds
                    You cut your hair short
                    Like a shush to an insult
                    The world had been yelling
                    Since the day you were born
                    Revolting with anger
                    While it smiled like it was cute
                    That everything was shit.

                    - J. Wylder

                    Comment


                      #25
                      Re: Can someone please explain this maths question..

                      Originally posted by anunitu View Post
                      There is a name for an inverted Division

                      Here is a good explanation.

                      Yeah....I remember that. When its a whole number divided by a fraction, I think its just easier to figure it out in my head!
                      Wonderful Life: The Burgess Shale and the Nature of HistoryPagan Devotionals, because the wind and the rain is our Bible
                      sigpic

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                        #26
                        Re: Can someone please explain this maths question..

                        When I was learning electronics the math got Strange..negative numbers,the square root of -1 that is part of imaginary numbers.

                        Here.

                        This comes into use when dealing with AC circuits. It can be interesting if you only look at the theory and how it is applied. Monsno having an electronic background would know this stuff.
                        MAGIC is MAGIC,black OR white or even blood RED

                        all i ever wanted was a normal life and love.
                        NO TERF EVER WE belong Too.
                        don't stop the tears.let them flood your soul.




                        sigpic

                        my new page here,let me know what you think.


                        nothing but the shadow of what was

                        witchvox
                        http://www.witchvox.com/vu/vxposts.html

                        Comment

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