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mmcdaniels46867
23.10.2020 •
Mathematics
Find the quotietion -37.44/4.8 check reasonableness by estmateing -37.44 4.8 estimate quotinn
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Ответ:
D
Step-by-step explanation:
let the width = w
w = w
L = 4 + w
Area = 4*w + 25 = L * w
4w + 25 = L * w Substitute for the length
4w + 25 = (w*(w + 4))
4w + 25 = w^2 + 4w Subtract 4w from each side
w^2 = 25 Take the square root.
w = +/- 5
- 5 has no meaning.
w = 5