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3 years ago

40% of students in a school wore blue on a spirit Day. If two

Mathematics

2 answers:

stealth61 [152]3 years ago

4 0

Answer:

60%

Step-by-step explanation:

yiu take 100%-40%= 60%

dmitriy555 [2]3 years ago

4 0

60% were not wearing blue

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iren2701 [21]

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$10.71 yd$

Step-by-step explanation:

First let's find the radius of the quarter circle.

$area =\frac{1}{4} \pi {r}^{2} \\ 7.065 = \frac{1}{4} *3.14 {r}^{2} \\ \frac{7.065}{3.14} = \frac{1}{4} * \frac{3.14 {r}^{2} }{3.14} \\ 9 = {r}^{2} \\ \sqrt{9} = r \\ 3 yd= r$

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