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rodriguezangelinaado
01.08.2020 •
Mathematics
I need an answer asap. I really would like some help with this
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Ответ:
(x + 4)² + (y + 1)² = 4
Step-by-step explanation:
From the graph attached,
Extreme ends of the diameter of the circle,
(-4, 1) and (-4, -3)
Center of the circle = Midpoint of the diameter
Center =![(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})](/tpl/images/0716/2860/5697e.png)
=![(\frac{-4-4}{2},\frac{1-3}{2})](/tpl/images/0716/2860/33cdb.png)
= (-4, -1)
Radius of the circle = Distance between the center and extreme end
= 2 units
Since standard equation of the circle is,
(x - h)² + (y - k)² = r²
where (h, k) is the center and 'r' is the radius of the circle
By substituting the values in the standard equation,
(x + 4)² + (y + 1)² = 2²
(x + 4)² + (y + 1)² = 4
Ответ:
16 dollars each
Step-by-step explanation:16 dollars each because 8x5=40 then 168-40 and that is equivalent to 128 / 8 equals 16