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anonymous

  • one year ago

Sarah wants to hang a mirror in her room. The mirror and frame must have an area of 15 square feet. The mirror is 3 feet wide and 4 feet long. Which quadratic equation can be used to determine the thickness of the frame, x? . 3x2 + 14x − 2 = 0 4x2 + 14x − 3 = 0 x2 + 12x − 14 = 0 2x2 + 7x − 14 = 0

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @rishavraj

  3. anonymous
    • one year ago
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    What do you think?

  4. rishavraj
    • one year ago
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    did u do any work???

  5. anonymous
    • one year ago
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    I dont know how to figure it out :\

  6. rishavraj
    • one year ago
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    does tht mean tht area of mirror equals area of frame..???? just assurng....

  7. rishavraj
    • one year ago
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    wht do u think whts the dimensions of the farme???

  8. anonymous
    • one year ago
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    i dont think so

  9. rishavraj
    • one year ago
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    *frame??

  10. anonymous
    • one year ago
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    maybe a foot, or a foot and a half

  11. rishavraj
    • one year ago
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    http://prntscr.com/7utaal

  12. anonymous
    • one year ago
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    So 4+2x on one side and 3+2x on the other

  13. rishavraj
    • one year ago
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    yuppp....

  14. anonymous
    • one year ago
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    Is it B?

  15. rishavraj
    • one year ago
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    yup.... :))

  16. anonymous
    • one year ago
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    Thank yoouuuu

  17. rishavraj
    • one year ago
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    yw :))

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