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OpenStudy (anonymous):
A square banner has an area of 20 square feet. To the nearest tenth of a foot, what is the length of one side of the banner? A. 9.5 ft B. 5.0 ft C. 4.5 ft D. 4.0 ft
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OpenStudy (anonymous):
I think it's C
OpenStudy (anonymous):
no wait it's B
OpenStudy (anonymous):
Area = side ^2 20 = side^2 sqrt(20) = side sqrt(20) = 4.47
OpenStudy (anonymous):
which rounds to 5.0
OpenStudy (anonymous):
The question asks you to round to the nearest tenth, which would be 4.5
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OpenStudy (anonymous):
oh thank you
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