11. What is the value of x in the figure at the right? (Examples 3 and 4)

Mathematics

1 answer:

natka813 [3]3 years ago

6 0

Answer:

x = 11

Step-by-step explanation:

Vertically opposite angles are equal
Angles around a point add up to 360°

Therefore, $15x + 15x + 15 + 15 = 360$

$\implies 30x+30=360$

$\implies 30x=330$

$\implies x=11$

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Which equation can pair with x-y=-2 to create a consistent and dependent system?

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See the explanation

<h2>Explanation:</h2>

A system that has one or infinitely many solutions is called <em>consistent. </em>If an equation in a system tells us no new information then the equations of the system are <em>dependent. </em>In other words, to find an equation that creates a consistent and dependent system with the given equation we have to get the same line:

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