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svet-max [94.6K]
2 years ago
10

What is the volume of this cone? work shown plsss ❤️

Mathematics
1 answer:
bulgar [2K]2 years ago
4 0

Answer:

41.888{ft}^{3}

Step-by-step explanation:

Consider the equation for volume of a cone,

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

and also note that the radius is half the diameter so in this case

r = 2

Now we want to plug in known values and solve for v through simple algebra,

v  =  \frac{1}{3} (\pi)( {2})^{2} (10)

=  \frac{\pi \times 4 \times 10}{3}

=  \frac{40\pi}{3}

when plugged in on a calculator,

v = 41.888

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Answer:

<u>Option </u><u>D</u> (y = 5/6x -12).

Step-by-step explanation:

Hey there!

The equation of the line which passes through the point (12,-2) is (y+2) = m2(x-12)………(i) [Using one point formula].

According to the question, the first line passes through point (12,6) and (0,-4).

So,

slope(m1) =  \frac{y2 - y1}{x2 - x1}

or \: m1 =  \frac{ - 4 - 6}{0 - 12}

or \: m1 =   \frac{5}{6}

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Now as per the condition of parallel lines, m1 =m2 = 5/6.

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