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kondaur [170]
3 years ago
12

How do you find the area of a circle? Isn't it π and something?

Mathematics
1 answer:
viva [34]3 years ago
7 0

Hi there!


You are partially correct on the π symbol, but there's more!


The formula for finding the area of a circle is:


A = π r².


A stands for area, π stands for pi, and r stands for radius. The ² is there because the radius is half as big as the diameter of a circle.


Hope this helps! :D


And remember, you can message me whenever you need to on anything you may need help with!

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love history [14]

Answer:

<u><em>u +v = < 7,9 ></em></u>

Step-by-step explanation:

You are given u = <9,4> and v = <-2,5>. You are asked to find u+v. all you need to do is to add them with their respective position. u+v = <9-2, 4+5>, u+v = <7,9>. This is the correct answer.

3 0
2 years ago
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2

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Because when solving the inequality you end up with 2 \geq x

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3 years ago
Which property explains why these two expressions are equal?
ratelena [41]
Re-written, I believe the equation is:

(W+23)+5=W+(23+5)

With this, the parenthesis have nothing multiplying into it, so we can drop the parenthesis to get:

W+23+5=W+23+5
Which is the same thing.

So I'd assume it is the Associative property, because you are combining the like terms of 23 and 5.

Hope this helps!
7 0
3 years ago
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Nesterboy [21]

Answer:

<h2><u><em>at x = 3      D = .1086</em></u></h2><h2><u><em /></u></h2><h2><u><em>at x = 4      D =  .0869</em></u></h2><h2><u><em /></u></h2><h2><u><em>at x = 5      D = .0724</em></u></h2>

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6 0
2 years ago
Evaluate 4<br> M-n if m= -7 and n = 2.
gregori [183]

Answer:

-30

Step-by-step explanation:

I'm assuming the equation is 4m-n. If it is not please tell me.

If we know the values of m and n, we can just substitute inside the expression.

4(-7) - 2\\\\-28 - 2\\\\-30

Hope this helped!

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3 years ago
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