alyssaomampo alyssaomampo

18-03-2021
Mathematics

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A small painting has an area of 400 cm2. The length is 4 more than 2 times the width. Find the dimensions of the painting. Solve by completing the square. Round answers to the nearest tenth of a centimeter.
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joemama42069swag joemama42069swag

18-03-2021

400 = 8x * x

400 = 8x^2

400 / 8 = x^2

root/50 = x

7.1cm = x

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