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RSB [31]
2 years ago
11

What is m∠1? Help me, please

Mathematics
1 answer:
vesna_86 [32]2 years ago
5 0

Answer:

119

Step-by-step explanation:

By using exterior angle theorem, we know that 31+angle 1 =150. therefore angle 1=119. Exterior angle theorem is where an angle exterior of an angle in the triangle addus up to 180 degreees, we also know the angles in a triangle sum to 180 degrees. Both sides have a common angle. If we subract it from the equation, we get what is said above.

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Answer:

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Step-by-step explanation:

Here we want to solve the quadratic equation using the completing the square method.

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divide through by 2 first;

x^2 -3x + 3/2 = 0

x*2 -3x = -3/2

Half the x term will be -3/2 and squaring it is 9/4

we add this to both sides

x^2-3x/2 + 9/4 = -3/2 + 9/4

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Finding square root of both sides

x-3/2 = √(3/4)

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3 years ago
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