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Ludmilka [50]
3 years ago
11

Find the center of the equation 4x2 + y2 + 8x-5= 0.

Mathematics
1 answer:
evablogger [386]3 years ago
3 0

Answer:

(-1,0)

Step-by-step explanation:

Plug it into desmos graphing calculator exactly how it is.

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Let r cm be the radius of the balloon, then 
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<span>The surface area= </span>
<span>4pi(r^2)= </span>
<span>4pi[23/2pi)]^2= </span>
<span>(23^2)/pi=168.386 cm^2 </span>
<span>approximately.</span>
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zlopas [31]

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Step-by-step explanation:

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