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goldfiish [28.3K]
2 years ago
14

Can you help me please​

Mathematics
1 answer:
Volgvan2 years ago
3 0
D
Area of a circle is: 兀r✖️r, so 4.1m ➗2 = 2.05, 2.05✖️2.05 = 4.2025
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Notice that they are asking you to write the equation of the parabola in vertex form, that is using the coordinates of the vertex (x_v,y_v) in the expression:

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y=a\,(x-x_v)^2+y_v\\y=a\,(x+3)^2+(-3)\\y=a\,(x+3)^2-3\\-5=a\,(-2+3)^2-3\\-5=a\,(1)-3\\a=-5+3\\a=-2

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y=a\,(x+3)^2-3\\y=-2\,(x+3)^2-3

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