anonymous
  • anonymous
okay guys please answer this for me: the length of a rectangle is 6 centimeters more than the width. the area is 216 square centimerters. what are the dementions??? oh and if you could work it out for me too thatd be great!!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
l=6w area=l*w 216=6w*w 216=6w^2 divide by 6 w^2=36 w=6 l=6w=6*6=36
anonymous
  • anonymous
is this right
anonymous
  • anonymous
lemme give you an example: A=lw (120cm2) = (3w + 2cm) (w) 120cm2 = 3w2 + 2cm w -3w2 - 2cm w + 120cm2 = 0 -1(-3w2 - 2cm w + 120cm2) = -1(0) 3w2 + 2cm w - 120cm2 = 0 (3w + 20cm) (w - 6cm) = 0 w - 6 = 0 w = 6cm (width) l = 3w + 2cm l = 3(6cm) + 2cm l =18cm + 2cm l = 20cm (length)

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anonymous
  • anonymous
what is i dont understand any thing whats name this Lesson
anonymous
  • anonymous
i could figure it out but they put some stuff in the example that i dont know where they came from.
anonymous
  • anonymous
it geometry or algebra... i dont know. im homeschooled and this is what i have to do.
anonymous
  • anonymous
okey
anonymous
  • anonymous
ive had like three people look at this and no one could get it. i have to take the test like friday.

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