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lokiando

  • one year ago

A piece of cloth is folded into a square with a side length measuring x inches. When it is unfolded, it has an area of x2 + 27x + 162 square inches. Which could be the dimensions of the rectangular piece of cloth when it is unfolded? Remember, the area of a rectangle can be determined using the formula A = lw.

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  1. lokiando
    • one year ago
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    Here is a screenshot so you can understand

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  2. misty1212
    • one year ago
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    HI!!

  3. misty1212
    • one year ago
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    what a weirdly worded problem (again)

  4. lokiando
    • one year ago
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    yes :(

  5. misty1212
    • one year ago
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    i think you can ignore the words, and factor \[x^2+24x+162\]

  6. misty1212
    • one year ago
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    or see which product multiplies out to \(x^2+27x+162\) pretty clearly it is not A,, B or even D since the product of the last two numbers has to be \(162\)

  7. lokiando
    • one year ago
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    it is not factorable

  8. misty1212
    • one year ago
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    sure it is

  9. misty1212
    • one year ago
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    \[18\times 9=162\] and \[18+9=27\]

  10. lokiando
    • one year ago
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    okay

  11. misty1212
    • one year ago
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    might not be obvious at first, but it is easy if you cheat i kinda suck at factoring, so i always cheat

  12. lokiando
    • one year ago
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    finally someone who understands

  13. lokiando
    • one year ago
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    lol

  14. misty1212
    • one year ago
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    here take a look http://www.wolframalpha.com/input/?i=x%5E2%2B27x%2B162

  15. lokiando
    • one year ago
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    mmmm I see

  16. lokiando
    • one year ago
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    so you give out answers?

  17. misty1212
    • one year ago
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    ?

  18. misty1212
    • one year ago
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    i find them, if that is what you mean

  19. lokiando
    • one year ago
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    me to but the word problems is one of the hardest

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