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STatiana [176]
4 years ago
8

A cone has a diameter of 7.5 ft and a height of 4.25 ft. What is the volume of the cone to the nearest tenth? Use 3.14 for π.

Mathematics
1 answer:
leva [86]4 years ago
3 0

Answer:

The volume of a cone is 62.5\ \text{feet}^3.

Step-by-step explanation:

We have,

Diameter of a cone is 7.5 ft

Radius of a cone is 3.75 ft

Height of the cone is 4.25 ft

It is required to find the volume of the cone. The formula of the volume of cone is given by :

V=\dfrac{1}{3}\pi r^2 h\\\\V=\dfrac{1}{3}\times 3.14\times (3.75)^2\times 4.25\\\\V=62.55\ \text{feet}^3

So, the volume of a cone is 62.5\ \text{feet}^3.

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3\sqrt{2} - 2\sqrt{18} + 6\sqrt{8}[/tex]
Stella [2.4K]

Answer:

\sf \bold 9\sqrt{2}

Step-by-step explanation:

<h3>Simplifying radicals</h3>

    Step1: Prime fatorize and reduce to simplest form

    Step2:  Combine like radicals

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                                    \sf = 3\sqrt{2}-2*3\sqrt{2} +6*2\sqrt{2}\\\\=3\sqrt{2}-6\sqrt{2}+12\sqrt{2}\\\\=(3-6+12)\sqrt{2}\\\\ = 9\sqrt{2}

5 0
2 years ago
33.52 is what percent of 8
abruzzese [7]
33.52 is 419% of 8

Divide the two numbers (33.52 by 8):
\frac{33.52}{8} = 4.19

Change the decimal into a percentage by multiplying the decimal by 100:
4.19 \times 100 = 419
7 0
3 years ago
I need help with 7 and 8
nata0808 [166]
7 .  0.05145631067 the answer to 7

4 0
4 years ago
Jeffrey is using a copy machine to make posters for a school play. The machine prints the posters at a constant rate. After 3 mi
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Crazy boy [7]
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36÷4=9

36 is 9 times greater than 4
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