3 years ago

20 Points! Help pls! !

Mathematics

2 answers:

lara31 [8.8K]3 years ago

3 0

Well i think it 120 your welcome

Dmitry [639]3 years ago

3 0

Oh gosh, im not sure, But my guess is B 60.

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Nataly [62]

Answer: A

Step-by-step explanation:

f(x) = x³ + 4x² + 7x + 6

possible rational roots are ±{1, 2, 3, 6}

Try x = -2

-2 | 1 4 7 6

| ↓ -2 -4 -6

1 2 3 0 ← remainder is 0 so x = -2 is a root ⇒ (x + 2) = 0

The factored polynomial x² + 2x + 3 = 0 is not factorable so use the quadratic formula to find the roots.

a=1, b=2, c=3

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$x = -1 + i\sqrt{2}$ $x = -1 - i\sqrt{2}$

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The factors are:

$(x - 2)[x - (-1 + i\sqrt{2})][x - (-1 - i\sqrt{2})]$

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Find the measure of the missing angle. A= (answer is in degrees)

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Step-by-step explanation:

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