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Andreyy89
3 years ago
7

What is the area of a circle with a radius of 87.1 cm?​

Mathematics
2 answers:
KIM [24]3 years ago
5 0

Answer:

23833.41cm²

Step-by-step explanation:

A=πr2=π·87.12≈23833.40992cm²

That rounds up to 23833.41cm²

masya89 [10]3 years ago
3 0

Step-by-step explanation:

its formula is pi r square so calculate iin own

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zhannawk [14.2K]

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5√3

Step-by-step explanation:

7 0
3 years ago
Please help me answer this‍♂️
DerKrebs [107]

Answer:

x+x+14=90

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8 0
3 years ago
These data represent the volumes in cubic yards of the largest dams in the united states and in South America. Construct a boxpl
Vsevolod [243]

Answer:

Check it below

Step-by-step explanation:

1) The Boxplot is a visual tool to easily find the quartiles of a Distribution. To construct a boxplot it's necessary to organize the data, find at least the upper (3rd Quartile) and lower quartile (1st Quartile), and register the maximum and the minimum value.

2) This graph confirms that the South American ones have much more water than the North American counterparts. Notice the Upper Quartile, (the top of the box) for the Southern ones, it's over 100,000 yrds³. And Compare to the Northern one.

4 0
3 years ago
Can someone step by step explain the answer to me please and thank u
True [87]

First

angle in front of c is 30°, so hypotenuse is equal to 2c

it's right triangle, so let's use Pythagorean theorem\

(2c)^2=c^2+4^2\\4c^2=c^2+16\\3c^2=16\\\\c^2=\dfrac{16}{3} \\\\c=\dfrac{4}{\sqrt{3} } =\dfrac{4\sqrt{3} }{3 }

Second

b - the base of the triangle, angles at the base are equal ⇒ cathets are equal

it's right triangle, so let's use Pythagorean theorem

b^2=7^2+7^2\\b^2=49+49\\b=\sqrt{2\times49} =7\sqrt{2}

3 0
2 years ago
Patty has 8 flowerpots, and she wants to plant a different type of flower in each pot. There are 11 types of flower available at
Dominik [7]
The combination formula is given by

C(n, r) = \frac{n!}{(n-r)!r!}

C(11, 8) = \frac{11!}{(11-8)!8!}

C(11, 8) = 165

So, there are 165 ways of choosing 8 flowers out of 11 flowers
7 0
4 years ago
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