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3 years ago

Help me please find the answer

Mathematics

1 answer:

dangina [55]3 years ago

3 0

I’m pretty sure k=59 degrees since the area of a triangle is 180 so you just subtract the angles you already have to find the other one

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Solving Quadratic Equations using the Square Root Property

Afina-wow [57]

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$x = -2$ or $x = -5$

Step-by-step explanation:

You need to complete the square before you can take the square root of both sides.

$x^2 + 7x + 10 = 0$

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$x^2 + 7x = -10$

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The x-term coefficient is 7. Half of that is 7/2. Square it to get 49/4. Now we add 49/4 to both sides of the equation.

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$x^2 = k$ , then

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$x + \dfrac{7}{2} = \pm \sqrt{\dfrac{9}{4}}$

$x + \dfrac{7}{2} = \pm \dfrac{3}{2}$

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3 years ago

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krok68 [10]

Answer: f ( x) = − 50

Step-by-step explanation:

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