Diana.xL
  • Diana.xL
http://prntscr.com/8gkpih
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Diana.xL
  • Diana.xL
I need a step by step explanation plz help!
Diana.xL
  • Diana.xL
@Rushwr
mathmate
  • mathmate
hints: Either 1. divide the area by the width to find the length, or 2. factor the area and see if the width is one factor, then the length is the other factor. \(\color{blue}{Example:}\) Area = 240, width = 15 Length = 240/15= 16 or area = 240 = 15*16 since the width = 15, then length = 16

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Rushwr
  • Rushwr
Okai we are given with the value for area right? But we also know that area= width * length So we can equalize the area to w * (x+15) right? w(x+15) = X^2 + 18x + 45 right? Did u get up to this point ?
Diana.xL
  • Diana.xL
yes
Diana.xL
  • Diana.xL
@Rushwr
Rushwr
  • Rushwr
Now try solving the equation ! Then get a value for W !!!!!
Diana.xL
  • Diana.xL
do i factor X^2 + 18x + 45
mathmate
  • mathmate
Yes, you need to factor the area to find the possible sides (See step 2 above). If you need help factoring, see for example: http://www.purplemath.com/modules/factquad.htm

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