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Alexxx [7]
3 years ago
13

Margarita traces a circle with a radius of 20 centimeters like the one shown below. She will color in the shaded region. What is

the area of the shaded region?​

Mathematics
1 answer:
lana66690 [7]3 years ago
7 0

Answer:

314 cm ^ 2

Step-by-step explanation:

First do, 3.14 x 20 ^ 2

3.14 x 20 ^ 2 = 1,256

Then do, 1,256/4

1,256/4 = 314

Why 4?

This part of the circle is 1/4 of the entire circle.

What does ^ mean?

It's just a way to say to the power of on a computer.

Hope this helps! :)

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Find the coordinates of the point 7/10 of the way from A to B
OverLord2011 [107]

Answer:

  (6.8, 1.3)

Step-by-step explanation:

<u>Given</u>:

  A(-3, -5), B(11, 4)

<u>Find</u>:

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<u>Solution</u>:

Using the desired relation, we have ...

  (P -A)/(B -A) = 7/10

  10(P -A) = 7(B -A) . . . . . multiply by 10(B-A)

  10P = 7B +3A . . . . . . . . add 10A to both sides

  10P = 7(11, 4) +3(-3, -5) = (77 -9, 28 -15) = (68, 13)

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The point 7/10 of the way from A to B is (6.8, 1.3).

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Steps:

x+7+2x

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\mathrm{Simplify}, x

\mathrm{The\:Correct\:Answer\:is\:x

\mathrm{Hope\:This\:Helps!!!}

\mathrm{-Austint1414}

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