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anonnnn

  • 2 years ago

The triangle on the left has a perimeter of 14, the triangle on the right has a perimeter of 21. What are x and y? Show your steps. I could sit here and figure it out by guessing and substituting, but I'm assuming there is a formula to this, so help?

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  1. anonnnn
    • 2 years ago
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  2. mandonut
    • 2 years ago
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    |dw:1355367691889:dw|

  3. mandonut
    • 2 years ago
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    do u know how to solve this system of equation?

  4. anonnnn
    • 2 years ago
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    With Elimination, Substitution, Matrices etc?

  5. mandonut
    • 2 years ago
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    yea

  6. anonnnn
    • 2 years ago
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    Okay!

  7. anonnnn
    • 2 years ago
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    Actually wait, I can't seem to solve it.

  8. mandonut
    • 2 years ago
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    |dw:1355368786620:dw|

  9. mandonut
    • 2 years ago
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    |dw:1355368845228:dw|

  10. mandonut
    • 2 years ago
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    and plug that into any equation to solve for x

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