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White raven [17]
4 years ago
5

What’s the volume of the cone

Mathematics
1 answer:
Likurg_2 [28]4 years ago
3 0

Answer:

The volume of cone can be:

V = 216\pi

    or

V \approx 678.584

Step-by-step explanation:

-Use the formula to find the volume of a cone:

V = \frac{1}{3} \pi r^2h

-Use both the radius and the height for the formula:

V = \frac{1}{3} \pi 6^218

-Then, you solve:

V = \frac{1}{3} \pi 6^218

V = \frac{1}{3} \times \pi \times 6^2 \times 18

V = \frac{1}{3} \times \pi \times 36 \times 18

V = \frac{1}{3} \times \pi \times 648

V = \frac{1}{3}\pi \times 648

V = \frac{648}{3} \pi

V = 216\pi \approx 678.584

So, the answer can be 216\pi or 678.584 .

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What is the equation written in vertex form of a parabola with a vertex of (–1, 8) that passes through (1, 0)?
Archy [21]

Answer:

y = -2(x + 1)^2 + 8

Step-by-step explanation:

The equation of a parabola can be written in the form;

y = a(x-h)^2 + k

where a is the multiplier (h,k) is the vertex

so h = -1 and k = 8

Plug in these values

y = a(x + 1)^2 + 8

So to get the value of a, we use the point where the parabola passes through which is the point (1,0)

Simply substitute the values of x and y

0 = a(1 + 1)^2 + 8

0 = a(2)^2 + 8

-8 = 4a

a = -8/4

a = -2

So therefore the equation of the parabola is ;

y = -2(x + 1)^2 + 8

7 0
3 years ago
Help please me!!!!!!!!!!!
AlexFokin [52]
D:  We solve this in exactly the same way in which we solved the previous area problem.  Side length is s, area is s^2.  Here, side length is 5 in; area is 25 in^2.
the problem does say, however, not to include units in your answer.  Thus, just write "25."
5 0
3 years ago
Read 2 more answers
Please answer the question!!?
Ksenya-84 [330]
The answer is b your just subtract all the ya lol
3 0
4 years ago
Find the domain of the graphed function plz lol
Luba_88 [7]

Answer:

B

Step-by-step explanation:

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2) notice that the graph stops  when x = 0

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x≤0

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