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Diana.xL

  • one year ago

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  1. Diana.xL
    • one year ago
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    http://prntscr.com/8gix28

  2. Diana.xL
    • one year ago
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    plz help! i need a step by step explanation

  3. imqwerty
    • one year ago
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    the area of a rectangle is given by= length x breadth you are given - \[area=x^2 +12x\]and \[breadth=x\] let the length be l so \[l \times x =x^2 +12x\] then u take x common in the right hand side \[l \times x =x(x+12)\]then divide both sides by x\[(l \times x)\div x =x(x+12)\div x\]\[l=x+12 \]

  4. Diana.xL
    • one year ago
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    Thank u soo much! can u help me with part b?

  5. Diana.xL
    • one year ago
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    http://prntscr.com/8gj1og

  6. imqwerty
    • one year ago
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    so in part b u just have u find the numeric value of l and this time u are given that x=10 up there^ we found out that l=x+12 so jst put x=10 and get- l=10+12 l=22

  7. Diana.xL
    • one year ago
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    thats all we have to do?

  8. imqwerty
    • one year ago
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    yes :)

  9. Diana.xL
    • one year ago
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    Thank u! :))

  10. imqwerty
    • one year ago
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    no prblm :D btw sry i replied so late i was chattin down there in the chat boxes :)

  11. Diana.xL
    • one year ago
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    its ok :)

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