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podryga [215]
3 years ago
12

Given a sphere with radius r, the formula 4pi r^2 gives

Mathematics
1 answer:
Shkiper50 [21]3 years ago
8 0

Answer:

Step-by-step explanation:

That's B:  the surface area.

The volume of the sphere is V = (4/3)πr³; A = 4πr² happens to be the derivative of V with respect to r.

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The point-slope form of the equation of the line that passes through (–5, –1) and (10, –7) is y plus 7 equals negative StartFrac
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Answer:

2x + 5y = - 15

Step-by-step explanation:

The line that passes through (–5, –1) and (10, –7) points and the point-slope form of the equation is y + 7 = - \frac{2}{5}(x - 10).

Now, we have to arrange this in the standard form.

So, y + 7 = - \frac{2}{5}(x - 10)

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⇒ 5y + 35 = - 2x + 20

⇒ 2x + 5y = - 15 (Answer)

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3 years ago
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2 years ago
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6 0
3 years ago
The average of 100 measurements is 23 and the average of 50 additional measurements is 27.
Elden [556K]
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8 0
3 years ago
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