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3 years ago

The radius of a circle is 1 millimeter. What is the circle's circumference?

Mathematics

2 answers:

mr Goodwill [35]3 years ago

4 0

Answer:

C = 2pi mm or approximately 6.28 mm

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi * r

C = 2 * pi *1

C = 2pi

We can approximate pi by 3.14

C = 2*3.14

C =6.28 mm

slamgirl [31]3 years ago

3 0

Answer:

The circle's circumference is 2 pi ml

Step-by-step explanation:

The formula for the circumference of a circle is 2 $\pi$ r, or diameter times pi.

In this case, we simply plug into the equation. Using the formula 2 $\pi$ r, we get 2(1) $\pi$ , or 2 $\pi ml$

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Step-by-step explanation:

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Does anyone know the answer to this!?

PolarNik [594]

Answer:

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

Step-by-step explanation:

You can use these Cramer's formulas to solve for x and y:

$x=\dfrac{|A_x|}{|A|},\\ \\y=\dfrac{|A_y|}{|A|},$

where

$|A|=\left|\begin{array}{cc}12&-13\\ \\17&-22\end{array}\right|\\ \\ \\|A_x|=\left|\begin{array}{cc}7&-13\\ \\-51&-22\end{array}\right|\\ \\ \\|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

So,

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

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