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3 years ago

The angles below are supplementary. What is the value of x?

Mathematics

2 answers:

wlad13 [49]3 years ago

5 0

A line is 180 degrees
Subtract that 80 degrees to only single out the other half (100)
Subtract 40 so that you can single it out to just 3x (60)
Then divide your answer from the previous by three to cancel you coefficient and get your final x (60/3)
X will be equal to 20

Hope this helps! :)

Citrus2011 [14]3 years ago

4 0

Answer:

x= 20

Step-by-step explanation:

The two angles form a straight line so they add to 180 degrees

The first angle is 3x+40 and the second angle is 80. The add together to form a straight line. The straight line is 180 degrees.

3x+40 + 80 = 180

Combine like terms

3x+120 = 180

Subtract 120 from each side

3x+120-120=180-120

3x = 60

Divide each side by 3

3x/3 = 60/3

x = 20

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The volume of the sphere with the given value of diameter is to the nearest tenth is 3052.1cm³.

Option C is the correct answer.

<h3>What is the volume of the sphere?</h3>

The volume of the sphere is the amount of space occupied within the sphere.

Volume of sphere is expressed as;

V = (4/3)πr³

Where r is the radius and π is pi ( π = 3.14 )

Given that;

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Option C is the correct answer.

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2 years ago

What’s the length of three pipes, when combined they equal 72m, how do I find the answer

allochka39001 [22]

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Step-by-step explanation:

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Learn more about Algebraic Expression here: brainly.com/question/4344214

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2 years ago

Determine the volume of the parallelepiped with one vertex at the origin and the three vertices adjacent to it at (2, â1, â1), (

valentinak56 [21]

Answer:

Step-by-step explanation:

Here is the complete question

Find the volume of the parallelepiped with one vertex at the origin and adjacent vertices at (1, 0, -3), (1, 2, 4), and (5, 1, 0).

Solution

We find the volume of the parallelepiped by making a 3 × 3 column matrix whose columns are the corresponding coordinates of the vertices of the parallelepiped.

So, (1, 0, -3), (1, 2, 4) and (5, 1, 0)

$A = \left[\begin{array}{ccc}1&1&5\\0&2&1\\-3&4&0\end{array}\right]$

The determinant of A is the volume of the parallelepiped. So,

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So the volume of the parallelepiped is 23

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3 years ago