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3 years ago

Pls help I need a good grade

Mathematics

2 answers:

ruslelena [56]3 years ago

5 0

Answer:

A because to find out how many rounds she did you would need to do the opposite to each side. The next one is B because it is a repeating decimal. And I believe the last one is B but im not sure.

Step-by-step explanation:

Pani-rosa [81]3 years ago

4 0

Answer:

Number 1 is A

Number 2: B. 0.583‾

Number 3: A

Step-by-step explanation:

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Please answer this correctly

iren2701 [21]

Answer:

$10.71 yd$

Step-by-step explanation:

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

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

Now let's find the arc length of this quarter circle.

$\frac{90}{360} \times 2\pi \: r \\ \frac{1}{4} \times 2 \times 3.14 \times 3 \\ = \frac{9.42}{4} \\ = 4.71yd \\$

Now let's find the perimeter $perimeter \\ = arc \: \: length + radius + radius \\ = 4.71 + 3 + 3 \\ = 10.71yd$

hope this helps

brainliest appreciated

good luck! have a nice day!

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