Diana.xL
  • Diana.xL
Help!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Diana.xL
  • Diana.xL
http://prntscr.com/8gix28
Diana.xL
  • Diana.xL
plz help! i need a step by step explanation
imqwerty
  • imqwerty
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\[(l \times x)\div x =x(x+12)\div x\]\[l=x+12 \]

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Diana.xL
  • Diana.xL
Thank u soo much! can u help me with part b?
Diana.xL
  • Diana.xL
http://prntscr.com/8gj1og
imqwerty
  • imqwerty
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
Diana.xL
  • Diana.xL
thats all we have to do?
imqwerty
  • imqwerty
yes :)
Diana.xL
  • Diana.xL
Thank u! :))
imqwerty
  • imqwerty
no prblm :D btw sry i replied so late i was chattin down there in the chat boxes :)
Diana.xL
  • Diana.xL
its ok :)

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