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3 years ago

15

a jar contains some marbles that are either white or red. the ratio of the number of white marbles to the number of red numbers

is 2 : 3. What might be the total of white and red marvle in the jar?

1 answer:

nexus9112 [7]3 years ago

5 0

Answer:

52 marbles i think

Step-by-step explanation:

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Write the equation of a circle with a center at (-2, 3) and a radius of 4.

Ivan

Answer:

The equation of a circle:

$(x+2)^2+(y-3)^2 = 16$

Step-by-step explanation:

The equation of a circle:

$(x-h)^2+(y-k)^2 = r^2$

(where the center is known as $(h,k)$ and the radius, known as $r$ ).

-Since you already have the center and the radius, use them for the equation of a circle:

Center: $(-2,3)$

Radius: $4$

$(x+2)^2+(y-3)^2 = 4^2$

After you have the equation of a circle, simplify the radius by the exponent $2$ :

$(x+2)^2+(y-3)^2 = 16$

So, you have found the equation of a circle.

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