Find the volume of each figure, round to nearest tenth

1 answer:

5 0

Answer:
Height:10
Radius:9
Diameter:18
Volume:2544.69

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Zanzabum

The law of cosines states that, if $\alpha$ is the angle between sides b and c,

$a^2 = b^2+c^2-2bc\cos(\alpha)$

So, plugging our values, we have

$a^2 = 16+16-2\cdot 4\cdot 4\cdot\cos\left(\dfrac{\pi}{4}\right)$

This is equal to

$a^2 = 32-32\cdot\dfrac{\sqrt{2}}{2} = 32-16\sqrt{2}$

3 0

3 years ago

ElenaW [278]

396 out of 2800 shirts are defected.
396/2800 * 100 = 14.1% of the shirts were defected

7 0

3 years ago

zzz [600]

Not proportional, because the 185 divided by three isn’t 65. However, the others were 65 so it wasn’t consistent.

The constant would be 65.

4 0

3 years ago

jolli1 [7]

The x and y axis so that’s why it’s true

5 0

3 years ago

uranmaximum [27]

Answer:

3w = 30

w = 30/3

therefore w = 10

8 0

3 years ago