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mixer [17]
3 years ago
15

Determine if the statement is always, sometimes or never true.. An exterior angle of a triangle is 180 degrees

Mathematics
2 answers:
svet-max [94.6K]3 years ago
7 0
An exterior angle of a triangle is 180 degrees is never true. The simple reason behind this logic is that 180 degrees means a straight line and it is not possible for a straight line to create an exterior angle of a triangle. I hope that this answer will come to your help.
Aleks [24]3 years ago
7 0
Because an angle of 180 degrees mean a line so this not will be possible never true to being an exterior angle of a triangle 

hope this is understandably 
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The Black Pearl is following a course that is represented by the equation. + ? = 14. . The interception course of the Flying Dut
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According to the graph, the ships’ paths do not meet at any point.

<h3>What are linear equations?</h3>

Linear equations are equations that have constant average rates of change, slope or gradient

<h3>How to determine the point where the two ships' path meet?</h3>

A system of linear equations is a collection of at least two linear equations.

In this case, the system of equations is given as

2x = 5y - 40

-4x + 10y = 20

Make y the subject in the second equation, by adding 4x to both sides of the equation

4x -4x + 10y = 20 + 4x

This gives

10y = 20 + 4x

Divide both sides by 10

y = 2 + 0.4x

Substitute y = 2 + 0.4x in 2x = 5y - 40

2x = 5(2 + 0.4x) - 40

Expand

2x = 10 + 2x - 40

Subtract 2x from both sides of the equation.

2x - 2x = 10 + 2x - 2x - 40

Evaluate the like terms

0 = 10 - 40

Evaluate the like terms

0 = -30

The above equation is not true.

This means that the ships’ paths do not meet at any point.

This can be confirmed using the attached graph.

From the graph, we can see that the lines of 2x = 5y - 40 and -4x + 10y = 20 do not intersect

Hence, we can conclude that the ships’ paths do not meet at any point.

Read more about system of linear equations at

brainly.com/question/14323743

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8 0
1 year ago
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mina [271]

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