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Anastasy [175]
3 years ago
5

Free points and brainlyst spill sum t

Mathematics
2 answers:
bagirrra123 [75]3 years ago
7 0

Answer:

I would but the filter is preventing me

aliya0001 [1]3 years ago
5 0

Answer:

yay :D

Step-by-step explanation:

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Alexandra [31]

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The area of the circle is 144π m2<br><br> What is the diameter of the circle?
Over [174]

Answer:

Step-by-step explanation:

Remember that

Area of Circle = \pi r^2

\pi  = pi \\r = radius

They told us that for this circle, the area is 144\pi  m^2

If you put it back into the formula for area of a circle we get:

Area of Circle = \pi r^2

144\pi = \pi r^2

Divide both sides by \pi.

144 = r^2

Now we want to solve for r (r = radius).

You need to square root each side

\sqrt{144} = \sqrt{r^2}

12 = r

So now we know the radius, r = 12 metres

Also remember that

Diameter = 2r

So,

Diameter = 2 times 12 = 24 metres

5 0
2 years ago
4a²-8ab+4b=???????????? ​
GuDViN [60]

Step-by-step explanation:

4a² - 8ab + 4b²

= (2a)² - 2 * 2a * 2b + (2b) ²

= (2a - 2b) ²

Hope it helps :)

3 0
2 years ago
The sum of the measures of the angles of all triangles is 180 degrees. If one angle of the triangle measures 45 degrees, and the
zmey [24]

Answer:

B

Step-by-step explanation:

2a+45=180

subtract 45 from both sides which equals 2a=135

divide both sides by 2 which would solve for a.

5 0
2 years ago
678×567 765÷876 654321±7654322134566
ycow [4]

Answer:

use a calculator

Step-by-step explanation:

hope this helps

3 0
2 years ago
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