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2 years ago

Determine the height of the can of beans(cylinder) given the volume of the

Mathematics

1 answer:

Natalka [10]2 years ago

5 0

Answer:

4in

Step-by-step explanation:

Given parameters:

Volume of can = 314in

Radius = 5in

Unknown:

Height of the cylinder = ?

Solution:

The height of a cylinder is mathematically given as;

V = πr²h

Where r is the radius

h is the height

Input the parameters and solve for h;

314 = 3.142 x 5² x h

h = 4in

The height of the cylinder is 4in

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2 years ago

The given line passes through the points (-1,-1) and (4.1).

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Answer:

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3 years ago

Prove this trigonometric equation;<br><br> - tan^2x + sec^2x = 1,

alekssr [168]

Hey there :)

- tan²x + sec²x = 1 or 1 + tan²x = sec²x

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Divide the whole by cos²x

$\frac{sin^2x}{cos^2x} + \frac{cos^2x}{cos^2x} = \frac{1}{cos^2x}$

$\frac{sinx}{cosx} = tanx$ so $\frac{sin^2x}{cos^2x} = tan^2x$
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3 years ago