10-02-2017
Mathematics

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Carter plans to wallpaper the longest wall in his living room. The wall is twice as long as it is high and has a area of 162 feet. What is the height of the wall

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13-02-2017

let height be x feet the the length = 2x feet
so x* 2x = 162
2x^2 = 162
x^2 = 81
x = 9

the wall is 9 feet high

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