3 years ago

What is the exterior angle of 20-gon

Mathematics

1 answer:

I am Lyosha [343]3 years ago

8 0

Hey, bud, my math isnt all tht great, but ill try to help

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Solve this quadratic equation using the quadratic formula. 2x2 - 10x + 7 = 0

frez [133]

Answer:

Step-by-step explanation:

2x^2-10x+7 A=1, B=-10. C=7

-(-10)±√-10^2-4(1)(7)

------------------------------

2(1)

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----------------

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3 years ago

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MaRussiya [10]

We know: the sum of measures of triangle angles is 180°.

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$m\angle1+m\angle2+m\angle3=180^o\to m\angle1=180^o-m\angle2-m\angle3$

Substitute $m\angle2=2x,\ m\angle3=5x$ :

$m\angle1=180-2x-5x=180-7x$

<h3>Answer: 180 - 7x</h3>

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3 years ago

X^3 + ax^2 +2ax + 5 divided by x + 1 what is the value of a

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