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solong [7]
3 years ago
15

Need help on this please

Mathematics
1 answer:
Akimi4 [234]3 years ago
4 0

Answer:

25\pi

Step-by-step explanation:

\pir^{2}=area of circle

\frac{1}{4}\pir^{2}=1/4 of the area of a circle

now solve

\frac{1}{4}\pi10^{2}

\frac{1}{4}\pi100

<u>25</u>\pi<u></u>

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3 years ago
I'll give brainliest for the first and correct answer! The perimeter of a triangle is 135. The sides have lengths a, b, and c. T
irina [24]

9514 1404 393

Answer:

  (a, b, c) = (30, 50, 55)

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The total number of ratio units is 27. They stand for 135 real units, so each one stands for 135/27 = 5 real units.

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The side lengths are (a, b, c) = (30, 50, 55).

5 0
3 years ago
Solve by using substitution or elimination by addition.<br>6x - 5y = 72<br>2x + 6y = -22​
vazorg [7]
Use a calculator called symbolab.com
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Read 2 more answers
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