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.
PLEASE HELP! I WILL MARK AS BRAINLIEST!
1 answer:
400 = 8x * x
400 = 8x^2
400 / 8 = x^2
root/50 = x
7.1cm = x
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