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Decart

  • 2 years ago

A farmer has 450 feet of fence available to enclose a 10,125 square foor region in the shape of adjoining squares, with sides of length x and y. The big square has sides of length x and the small square has sides of length y. Find x and y.

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  1. Decart
    • 2 years ago
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    |dw:1350217489282:dw|

  2. Algebraic!
    • 2 years ago
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    x^2 +y^2= 10,125 3y +3x + (x-y) = 450

  3. Decart
    • 2 years ago
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    3y +3x + (x-y) = 450 =2y+4x+450

  4. Algebraic!
    • 2 years ago
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    I wrote it like so you could see where it came from.

  5. Decart
    • 2 years ago
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    but I have 4x+3y

  6. Decart
    • 2 years ago
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    I see where I went wrong now on the test because I was thinking x-y as well

  7. Algebraic!
    • 2 years ago
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    what do you mean? there's supposed to be fencing in between the two parcels?

  8. Decart
    • 2 years ago
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    |dw:1350219657653:dw|

  9. Algebraic!
    • 2 years ago
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    the problem doesn't really say that... but if that's the sketch they gave you, then I guess that's how they want you to do it.

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