natalyabogin5056 natalyabogin5056
  • 03-10-2017
  • Mathematics
contestada

A rectangle has an area of 98 square inches. the length of the rectangle is double the width of the rectangle. find the dimensions of the rectangle

Respuesta :

kritter1
kritter1 kritter1
  • 03-10-2017
Let x be width. 

Length: 2x 

98=2x(x) 
2x^2=98 
x^2=98/2
x^2=49 
x= sqrt(49) 
x= 7 (not -7 because distance cannot be in negatives) 

Therefore, the dimensions are 7"x14"

Hope I helped :) 
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