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  • MathematicalMagician 7:34 pm on January 21, 2013 Permalink | Reply
    Tags: , , imaginary numbers, like, maths, , share   

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  • MathematicalMagician 7:33 pm on January 21, 2013 Permalink | Reply
    Tags: , , imaginary number, maths, , subscribe, welcome back   

    Sup? 

    Hey guys, I love this blog and so do YOU! (you know it). I am very sorry for not posting for a long time and I hope you can for give me. I will try my best to give you the content i used to give you, to keep your love for maths going 🙂

     

     
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  • MathematicalMagician 11:27 am on February 19, 2012 Permalink | Reply
    Tags: 24, 3, 8, maths,   

    Puzzle 

    How can I get the answer 24 by only using the numbers 8,8,3,3.

    You can use the main signs add, subtract multiply and divide.

    Post solutions bellow!

     
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  • MathematicalMagician 3:57 pm on February 13, 2012 Permalink | Reply
    Tags: circle, maths, Reuleaux, round, shapes, triangle   

    Not Round?! 

    Hi everyone. Have you ever imagined the wheels on a car not being a circle?

    Well it does seem strange. However, there are shapes that are round but not round at the same time! A circle is a shape with one side and a constant width to it. This make it perfect for a smooth ride in a care. There are other shapes that have a consistent diameter all around, for example the Reuleaux Triangle. This is a triangle of constant width, however its edges are pointy. It is made up of of parts of three circles joined together.

    You notice that when a circle is rolled or turned inside a square it fits and keeps touching the sides proving its constant width. The Reuleaux triangle can also be rotated in a square as shown with it touching the sides showing the constant width of the triangle. However, it is still not a really good shape for a wheel because it will not work with a fixed point in the middle but it is still able to roll smoothly if it is rolling without a fixed point of rotation.

    There are also other Reuleaux polygons that consist of shapes with odd number of sides and a constant width. The more sides in a Reuleaux polygon, the rounder it is and the closer it gets to being a circle. A famous example of Reuleaux shapes are the British 20p and 50p coins which are both Reuleaux heptagons (as they have constant width, they will also not get stuck in a vending machine). There are also pencils that are a Reuleaux triangle as it is thought to be more comfortable due to the roundness than the typical hexagonal shape. Due to their constant width, there can also be shapes with a constant width other than a sphere.

    It also answers the riddle of “Other than a circle, what shape can you make a manhole cover so that it cannot fall down through the hole?” The Reuleaux triangle can also be used as a drill bit if it was not fixed and a single point in the middle! 

    Do you know of any objects that are a Reuleaux polygon, or do you have anything else to add on this topic?

    Comment below, share and don’t forget to follow my blog!

     
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  • MathematicalMagician 5:30 pm on February 11, 2012 Permalink | Reply
    Tags: 16, , dice, fair, , maths, , problem,   

    Dice Problem 

    What is the probability of scoring a total of 16 or more on three fair dice?

    Comment your answer and method!

     
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  • MathematicalMagician 3:13 pm on April 18, 2011 Permalink | Reply
    Tags: maths, , simple, test   

    Speed Test?! 

    I’ve noticed now that google mail test you if you are about to send a message. Its probably been there for I long time but hey! I haven’t seen it yet, for the past few emails I must have just automatically answered without noticing. LOL! Its basically tackling spam and ‘drunk email’. But I was just thinking, not everyone knows how to do simple maths, so when the just finish learning the English language, they want to tell their friends but when they’re about to do it, they suddenly realise that they’ve still got maths to learn!

    Anyway, my fastest time is when I finished with 47 seconds left on the clock. Obviously you can beat that because my trackpad is dodgy! Give it a try and comment your scores, or share this post to give others a challenge!

     
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  • MathematicalMagician 2:30 pm on April 18, 2011 Permalink | Reply
    Tags: maths, ,   

    Solve this! 

    Fill in the word to make it correct:
    ‘This sentence contains ____________ letters’

     
    • myriam 3:58 pm on April 18, 2011 Permalink | Reply

      thirty eight

      • MathematicalMagician 4:19 pm on April 18, 2011 Permalink | Reply

        CORRECT!
        What was your tehnique?

      • myriam 4:34 pm on April 18, 2011 Permalink | Reply

        I counted the written letters => twenty seven. after that I counted the letters of 27 => 11

        27 + 11 = 38

    • MathematicalMagician 4:55 pm on April 18, 2011 Permalink | Reply

      Cool thanks for sharing the answer 🙂

    • No one of consequence 11:00 pm on January 16, 2012 Permalink | Reply

      36 (thirty-six) should work too.

      • No one of consequence 11:03 pm on January 16, 2012 Permalink | Reply

        Or put in the NUMBERS 27 or 29 (depending on if you count numbers as letters or not)

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