jeremiah123923 jeremiah123923

02-03-2017
Mathematics

contestada

The area of the conference table in Mr. Nathan’s office must be no more than 175 ft2. If the length of the table is 18 ft more than the width, x, which interval can be the possible widths?

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swagmeme23 swagmeme23

02-03-2017

x(x+18) <= 175
x^2+18x-175 <= 0
(x+25)(x-7) <= 0
So, -25 <= x <= 7
Or, for real-world tables,

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