Suppose that the populations of the united states and china both increase by 12 million people in one year. what would be the relative changes that each country underwent?

1) if you assume that the u. s. population is about 300 million, an increase of 12 million would result in a relative change of ? %

2) if you assume that china has about 1 billion people, an increase of 12 million would result in a relative change of ? %

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center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.

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