drinamay0917osoyce drinamay0917osoyce

22-07-2018
Mathematics

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William wants to hang a mirror in his room. The mirror and frame must have an area of 50 square feet. The mirror is 5 feet wide and 8 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?
3x2 + 13x − 20 = 0
4x2 + 14x − 7 = 0
4x2 + 26x − 10 = 0
2x2 + 2x − 10 = 0

Respuesta :

vxnesssx vxnesssx

23-07-2018

The last one. 2x2+2x-10=0

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