3 years ago

HELP plzzzzzzzzzzzzzzzz

Mathematics

1 answer:

tia_tia [17]3 years ago

7 0

Answer:

b i think

Step-by-step explanation:

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write an equation for a circle with a diameter that has endpoints at (-4, -7) and (-2, -5). round to the nearest tenth if necess

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Answer:

The answer to your question is (x + 3)² + (y + 6)² = 2

Step-by-step explanation:

Endpoints (-4, -7) and (-2, -5)

Process

1.- Find the length of the radius

d = $\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2} }$

d = $\sqrt{(-2 + 4)^{2}+ (-5 + 7)^{2} }$

d = $\sqrt{2^{2} + 2^{2} }$

d = $\sqrt{4 + 4}$

d = $\sqrt{8}$

Radius = $\frac{\sqrt{8} }{2}$ = $\sqrt{2}$

2.- Find the center

Xm = $\frac{-4 - 2}{2} = \frac{-6}{2} = -3$

Ym = $\frac{-7 - 5}{2} = \frac{-12}{2} = -6$

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3.- Write the equation

(x - h)² + (y - k)² = r²

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(x + 3)² + (y + 6)² = 2

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Answer:

Step-by-step explanation:

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+36

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t = 5 years

Step-by-step explanation:

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