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3 years ago

Volume of cylinder with a base radius of 5 and height of 3

Mathematics

1 answer:

Anna007 [38]3 years ago

6 0

Answer:

235.5.

Step-by-step explanation:

<u>VOLUME: THE AMOUNT OF SPACE OCCUPIED BY A 3D OBJECT.</u>

The formula for volume of a cylinder is:

$pi*r^2*h (3.14 * radius *radius * height)$

The radius of this cylinder is 5 and the height is 3.

Now, we can plug the numbers in the formula.

<u>SOLVE:</u>

The product of the equation is 235.5.

I, therefore, believe the volume of this cylinder is 235.5.

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Can somone pls explain what i did wrong, and the correct answer?? ( Parallel/Perpendicular Through Points algebra. write how to

DENIUS [597]

The two linear equations are:

1) y = -x + 5

2) y = (-1/2)*x - 1

<h3></h3><h3>How to get the linear equations?</h3>

Remember that two linear equations are parallel if and only if have the same slope and different y-intercept.

So to find a linear equation:

y = m*x + b

Parallel to:

x + y = 4

y = -x + 4

The slope needs to be m = -1 and the y-intercept b ≠ 4

So our line will be:

y = -x + b

To find the value of b, we use the fact that this line passes through (2, 3), replacing the values of the point in the line we get:

3 = -2 + b

3 + 2 = b

5 = b

The linear equation is y = -x + 5

For the second case, we want to find a line perpendicular to:

2x - y = 5

y = 2x - 5

Two lines are perpendicular if the product of the slopes is -1, then:

m*2 = -1

m = -1/2

So the perpendicular line is something like:

y = (-1/2)*x + b

To find the value of b we use the fact that this line needs to pass through (6, -4)

Replacing these values we get

-4 = (-1/2)*6 + b

-4 = -3 + b

-4 + 3 =b

-1 = b

The line is:

y = (-1/2)*x - 1

Learn more about linear equations:

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4 0

1 year ago

Complete the recursive formula of the geometric sequence -0.6.3, -15, 75, ....

nasty-shy [4]

Answer:

$c(n)=-5c(n-1)\\c(1)=-0.6$

Step-by-step explanation:

Given the geometric sequence

-0.6, 3, -15, 75, ...

Common ratio, $r=\dfrac{3}{-0.6} =\dfrac{-15}{3}=-5$

The next term, $c(n)$ is obtained by multiplying the previous term c(n-1) by -5.

Therefore, the recursive formula for the sequence is:

$c(n)=-5c(n-1)\\c(1)=-0.6$

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4 years ago

a parallelogram has side lenghts 20 cm and 25 cm. the diagonal opposite the obtuse angle measures 38 cm. what is the measure of

Nady [450]

Step-by-step explanation:

1. draw the parallelogram with side 20cm and 25cm respectively and also the diagonal as well.

2.Clearly it forms a triangle in the parallelogram with three known lengths of side.

3.Using the cosine rule : c^2=b^2+c^2 -2bc cos c to find the obtuse angle.

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3 years ago

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What expression can be written as 5 x (2+7)

Marina86 [1]

Here’s your answer
(5x2)+(5x7)

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pantera1 [17]

Answer:

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Step-by-step explanation:

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