3 years ago

Subtract 23° 19' 17° 9' ______

1 answer:

3 0

Step-by-step explanation:

$\: \: \: \: 20 \degree \: \: 19' \: \\ - 17 \degree \: \: \: \: 9' \\ - - - - - - \\ \: \: \: \: \: 3 \degree \: \: \: \: 10' \\ - - - - - - -$

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melomori [17]

Answer:

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3 years ago

Which of these is the best definition of a circle? A. The set of all points in a plane that are equidistant from a single point

Juliette [100K]

The right answer is C. The set of all points in a plane that are a certain distance from a single point

The certain distance is called the <em>radius</em> and the single point is called the <em>center. </em>In this way, all points are a certain or, in other words, the same distance from the center. So, for the Standard Form of the Equation of a Circle we have that:

$The \ point \ (x,y) \ lies \ on \ the \ circle \ of \\ \mathbf{radius} \ r \ and \ \mathbf{center} \ (h,k) \ if \ and \ only \ if :\\ \\ (x-h)^2+(y-k)^2=r^2$