anonymous
  • anonymous
the length of a rectangular garden is 7 m greater than the width. The area is 78m2. find the length and width
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
A=l*w 72=w*(7+w) 72=7w+w^2 w^2+7w-71=0 can you do it from now?
anonymous
  • anonymous
sorry 78
anonymous
  • anonymous
hmm. is that to find both?

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anonymous
  • anonymous
A=l*w 78=w*(7+w) 78=7w+w^2 w^2+7w-78=0
anonymous
  • anonymous
factor will find w
anonymous
  • anonymous
im really bad at factoring.
anonymous
  • anonymous
(w+13)(w-6) w=-13 or w=6 the measure can not negative than width =6 , length =6+7=13 check: 13*6 =78
anonymous
  • anonymous
so length is 13 and w is 78??
anonymous
  • anonymous
wait, width is 6
anonymous
  • anonymous
length is 6+7 so its 13
anonymous
  • anonymous
w for width l for length width =6 length =13 Area = 6*13=78
anonymous
  • anonymous
length is 6+7 so its 13, yes
anonymous
  • anonymous
ahhhh yes. thaks

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