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3 years ago

Angle 1 is supplementary to angle 2

Mathematics

1 answer:

Pepsi [2]3 years ago

7 0

9514 1404 393

Answer:

congruent

Step-by-step explanation:

Angles supplementary to the same angle are congruent.

Here, angles 1 and 3 are both supplementary to angle 2, so ...

angle 1 and angle 3 are congruent

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What is the square root of negative four

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Svetlanka [38]

Answer:

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Step-by-step explanation:

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3 years ago

Which expression is equivalent to 7/2h - 3 (5h - 1/2)

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7/2h-3/2step-by-step

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3 years ago

Please help with this Math Question...

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Answer: A

<u>Step-by-step explanation:</u>

f(x) = x³ + 4x² + 7x + 6

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Try x = -2

-2 | 1 4 7 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

$x=\dfrac{-b\pm\sqrt{b^2-4ac} }{2a}$

$x=\dfrac{-(2)\pm\sqrt{(2)^2-4(1)(3)} }{2(1)}$

$x=\dfrac{-2\pm\sqrt{4-12} }{2}$

$x=\dfrac{-2\pm\sqrt{-8} }{2}$

$x=\dfrac{-2\pm2i\sqrt{2}}{2}$

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

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

$x - (-1 + i\sqrt{2})=0$ $x - (-1 - i\sqrt{2})=0$

The factors are:

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

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3 years ago

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Lynna [10]

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