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katrin2010 [14]
2 years ago
14

The measure of the two angles in a triangle are shown in the diagram Which equation can be used to find the value of x?

Mathematics
2 answers:
Gnesinka [82]2 years ago
4 0

Answer:

48+2x=180

Step-by-step explanation:

This is an isosceles triangle, this means that two of the sides/angles are the same. I'm not 100% sure if I'm right though.

ASHA 777 [7]2 years ago
3 0
So it’s 66 degrees for x
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Step-by-step explanation:

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2 years ago
Solve the system by substitution
Lina20 [59]

Answer:

(-5, -30)

Step-by-step explanation:

We start with the equation:

y = 6x

y = -4x - 50

Since both of them are equal to y, we can substitute the 6x into y. So:

6x = -4x - 50

Now we can solve for x. Add 4x to both sides...

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Now, divide both sides by 10.

<u>10x</u> = <u>-50</u>

10      10

x = -5

So, we now know that x is -5. Now we know this, we can substitute -5 where we see x. It works in both equations, so I will do both.

y = 6(-5)

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And...

y = -4(-5) - 50

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As you can see, both equations show that y = -30. To check our work, let's plug in the values.

-30 = 6(-5)

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Also:

-30 = -4(-5) - 50

-30 = -20 - 50

-30 = -30

So, we can see that both of the equations gave us the same answer. So, our answer is x = -5 and y = -30, so the ordered pair is: (-5, -30). Hope this helps you!

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3 years ago
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aivan3 [116]

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