3 years ago

Please help me with these two!?

Mathematics

1 answer:

mixer [17]3 years ago

6 0

Answer:

11. Yes this is reasonable. Because medicine is often taken in small amounts, 4 millilitres is reasonable

12. This is not reasonable. Three liters of water is a very large amount. If you drink three liters of water in one sitting you could get water poisoning.

Step-by-step explanation:

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

I need to find the volume of a nose cone.

rjkz [21]

well then, the volume of the nose cone will just be the sum of the volume of the cylinder below and the cone above.

since the diameter for both is 8, then their radius is half that, or 4.

$\bf \stackrel{\textit{volume of a cone}}{V=\cfrac{\pi r^2 h}{3}}~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=4\\ h=6 \end{cases}\implies V=\cfrac{\pi (4)^2(6)}{3}\implies V=32\pi \\\\\\ \stackrel{\textit{volume of a cylinder}}{V=\pi r^2 h}~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=4\\ h=6 \end{cases}\implies V=\pi (4)^2(6)\implies V=96\pi \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{volume of the nose cone}}{32\pi +96\pi \implies 128\pi }\qquad \approx \qquad 402.12$

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3 years ago