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belka [17]
3 years ago
8

Can you determine the union or intersection and write in interval notation?

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

Answer:

A ∩ C   [ -6, -4 )

Step-by-step explanation:

A ∩ C

-6 ≤ x < -4

[ -6, -4 )

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Help him me I’m new here
Stella [2.4K]

Given:

Composite figure made of cylinder and two spheres.

To find:

The volume of the composite solid.

Solution:

Radius = 2 in

The value of π = 3.14

<u>Volume of sphere:</u>

$V=\frac{4}{3} \pi r^3

$V=\frac{4}{3} \times 3.14 \times 2^3

$V=\frac{4}{3} \times 3.14 \times 8

V=33.49

Volume of a sphere is 33.49 in³

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Radius of cylinder = 2 in

Height of cylinder = 8 - 2 - 2 = 4 in

<u>Volume of cylinder:</u>

$V=\pi r^2 h

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V = 50.24

Volume of cylinder = 50.24 in³

Volume of composite solid = Volume of two spheres + Volume of cylinder

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                                             = 117.2 in³

The volume of the composite solid is 117.2 in³.

5 0
3 years ago
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