There is no escape...believe it or not. Mathematics is everywhere.

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## TriangleGiven the three point A(1,1) B(2,4) C(6,2). Can you give the length of the height going through B ? (Give the simplest answer !) Started by Christian Baune |
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Aug 4, 2016 Reply by Christian Baune |

## Circumference of a thin coin balanced in a measuring cylinderA measuring cylinder has an internal diameter of 2 inches. A disc of negligible thickness (a coin) is balanced on its edge in the base of t… Started by Colin McAllister |
0 | Dec 10, 2011 |

## submitting any research just made in mathematicsHi, my main discussion today is about how to submit something as ideas or discoveries if made by me to the world, I think there may be a we… Started by Shahzad Karim |
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Aug 12, 2011 Reply by Anne Donovan |

## Probability - Estimation of certainty based on random samplesQuestion 1. We have 4 decks of cards, and each deck is missing a different suit: 1. D(R), S(B), C(B) 2. H(R), S(B), C… Started by Colin McAllister |
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Aug 11, 2011 Reply by Anne Donovan |

## Vertical Curve ProblemVertical Curve Problem Given: Two tangents to a roadway profile intersect at an elevation of 100. The first tangent is at a 2% up… Started by Math Chique |
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Aug 9, 2011 Reply by Anne Donovan |

## A Broken Stem of BambooA 10-ft-long stem of bamboo is broken in such a way that its tip touches the ground 3ft from the base of the stem. What is the height of th… Started by Colin McAllister |
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Aug 8, 2011 Reply by Anne Donovan |

## Largest Semicircle Inscribable in a Unit SquareWhat is the largest area of the semi-circle that can be inscribed in a square of edge length 1 unit? That is a question posted by harpreet… Started by Colin McAllister |
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Nov 7, 2010 Reply by Colin McAllister |

## Height of a distant skyscraper?Burj Dubai, the world’s tallest building, can be seen 95 km away. How tall is it? Started by Colin McAllister |
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Nov 7, 2010 Reply by Math Chique |

## Which vehicle upgrade saves the most energy?This question is from the interactive quiz "What saves more energy?" on Money.CNN.com.Which vehicle upgrade saves the most energy?A) Switch… Started by Colin McAllister |
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Sep 9, 2010 Reply by Colin McAllister |

## Locks and keysPls see this problem http://mathematics24x7.ning.com/profiles/blogs/how-many-locks-are-required-1 Started by Rashmi Kathuria |
0 | Jan 21, 2010 |

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