A boat going upstream takes 1.5 times longer than going the same distance downstream. If the water current in the river is 8 kph, calculate the speed of the boat in still water. |
January 14, 2021 - 9:03am |

A circle has an equation of x^2 + y^2 + 2cy = 0. Find the value of c when the length of the tangent from (5, 4) to the circle is equal to one. |
February 28, 2021 - 1:05pm |

A coin is so unbalanced that you are likely to get two heads in two successive throws as you are to get tails in one |
January 12, 2021 - 12:30am |

A problem on plate deflection |
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A reservoir is in the form of frustum of a cone, 68 ft. across the top, 35 ft. across the bottom, and 18 ft. deep. Find the cost |
November 13, 2016 - 8:51pm |

A solid shaft made from copper is 90mm diameter and 8m long |
February 24, 2017 - 12:42am |

A solid spherical ball remolded into a hollow spherical ball |
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A tank is supplied by two pipes A and B and emptied by a third pipe C |
April 5, 2020 - 6:05pm |

About |
December 31, 2020 - 9:57am |

Absolute Pressure at 200 mm Below the Surface of Liquid Mercury |
January 12, 2021 - 12:24am |

Acceleration of Riged body (flyweight) with forces |
June 2, 2018 - 6:51am |

Access Denied |
March 5, 2020 - 6:54pm |

Additional Topics on the Equations of Order One |
April 5, 2020 - 6:06pm |

Advance Engineering Mathematics |
April 15, 2020 - 8:09pm |

Advanced Engineering Mathematics |
December 5, 2016 - 12:41am |

Advanced Engineering Mathematics: Solve for: [z1^(4cos z4)]/log(sub z1)z3 |
November 23, 2016 - 10:05am |

Advanced Math |
March 14, 2018 - 11:04pm |

ADVANCED MATH |
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Age Problem: The sum of the ages of the father and his son is 99 |
December 5, 2016 - 5:15am |

Age-related Problems |
April 5, 2020 - 6:06pm |

Air pressure on sky diver |
March 26, 2016 - 2:23pm |

Algebra |
March 8, 2018 - 2:34pm |

Algebra |
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Algebra |
December 4, 2020 - 11:53pm |

algebra 1 |
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Algebra: Number of layers in the pile of posts |
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Algebra: Remainder Theorem |
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Algebraic Substitution | Integration by Substitution |
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All about Geo-tech |
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Amount of Sales Needed to Receive a Specified Monthly Income |
January 12, 2021 - 12:24am |

Amount of Sales Needed to Receive the Desired Monthly Income |
January 12, 2021 - 12:24am |

Amount of water inside the horizontal cylindrical tank |
April 5, 2020 - 6:06pm |

Analysis of Gravity Dam |
April 5, 2020 - 6:05pm |

Analysis of structures |
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Analysis of Structures |
April 5, 2020 - 6:06pm |

analysis of truss |
January 21, 2018 - 1:16pm |