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julsineya [31]
3 years ago
10

Does anyone know this answer to this questions

Mathematics
1 answer:
7nadin3 [17]3 years ago
4 0

ANSWER

-4.0

EXPLANATION

The given trigonometric equation is

\tan \: 45 \degree - 10 \:  \cos \: 60 \degree

From special angles or using the unit circle.

\tan \: 45 \degree  = 1

\cos \: 60 \degree =  \frac{1}{2}

We make the substitution to get:

1 - 10 ( \frac{1}{2} ))

This simplifies to:

1 - 5 =  - 4

Hence the correct answer is -4.0

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The volume of the cylindrical water tank that has a length of 20 feet and a radius of 12 feet is about <u>9,048</u> cubic feet.

The correct option is option <em>d</em>;

d. 9,048

<h3>What is the volume of a solid?</h3>

The volume of a solid indicates the amount of space the solid takes at a location.

The formula for finding the volume of the cylindrical tank is presented as follows;

<em>V</em> = π·r²·L

Where;

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L = The length of the tank

From a similar question on the website, we have;

The length of the tank, <em>L</em> = 20 feet

Therefore;

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  • The volume of the water tank is about <u>9,048</u> cubic feet

Learn mort about finding the volume of a solid here:

brainly.com/question/23725200

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