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Tam

A 10 foot ladder is leaned against a building so that the distance from the bottom of the ladder to the building is 2 feet less than the distance from the top of the ladder to the ground. What is the distance from the bottom of the ladder to the building? Hint: you must use the Pythagorean theorem.You must construct an algebra equation that contains a variable.

  • 2 years ago
  • 2 years ago

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  1. raheen
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    x^2+(x-2)^2 =100 then solve for x

    • 2 years ago
  2. jimmyrep
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    x = height of ladder from gound x-2 = dtsnce from ground x^2 + (x-2)^2 = 10^2 solve for x

    • 2 years ago
  3. Dalvoron
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    You have to solve for x-2, not x if those are your chosen lengths.

    • 2 years ago
  4. raheen
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    solving will give x= 8

    • 2 years ago
  5. jimmyrep
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    right - after you have x then distance from ground = x -2

    • 2 years ago
  6. raheen
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    as expanding the equation that will be shown as : x^2-2x-48=0 ===> x=8 or x=-6 ===> so x=8

    • 2 years ago
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