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  • 16-05-2017
  • Mathematics
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Katie wants to hang a painting in a gallery. The painting and frame must have an area of 45 square feet. The painting is 6 feet wide by 7 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?.

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  • 25-05-2017
the answer is 4x^2+26x-3=0
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