anonymous
  • anonymous
The area of the rectangle shown in the diagram below is 170 square feet. 2x 3x + 2 What is the perimeter of the rectangle? 27 feet 40 feet 54 feet 68 feet
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
help please
anonymous
  • anonymous
what do you mean with 2x and 3x+2
anonymous
  • anonymous
ill send you the link

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anonymous
  • anonymous
anonymous
  • anonymous
can not see it, only you can access it
anonymous
  • anonymous
it didnt work but its a rectangle and the first quarter of it is 2x the other is 3x+2 and it wants me to find the perimeter
anonymous
  • anonymous
sorry, that information is not enough for me.
anonymous
  • anonymous
ok
anonymous
  • anonymous
Bailey I guess the sides of the rectangle are 2x and 3x + 2 ?
anonymous
  • anonymous
If so 170 = (2x)(3x + 2) Which gives 170 = 6x^2 + 4x Convert to a quadratic equation 6x^2 + 4x - 170 = 0 Factorise which will give solutions of x as 5 or -5.6666 disregard the negative solution as you are looking at a measured length Answer x = 5
anonymous
  • anonymous
That definetly makes sense, how could I not think of that :D
anonymous
  • anonymous
It happens to us all from time to time :)
anonymous
  • anonymous
...so if x = 5 the perimeter is 2(2*5) + 2([3*5] + 2) Hence perimeter is 20 + 34 = 54 feet
anonymous
  • anonymous
Baily you should check one of my previous posts I did for you I found an error :(

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