3 years ago

Answer for brainliest please

Mathematics

1 answer:

labwork [276]3 years ago

4 0

Step-by-step explanation:

example: the distance form the line y=x till Y and Y' must be the same

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Step-by-step explanation:

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Austins movie collections contains 9 movies, including 3 comedies. What is the probability that a randomly selected movie will b

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3 years ago

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3 years ago

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Help on geometry please (answer #5)

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3 years ago

Solve for x in the equation x2-8x+41=0

Alinara [238K]

Answer:

d) 4 ± 5i

Step-by-step explanation:

Here we have to use the quadratic formula.

x = $\frac{-b +/- \sqrt{b^2 - 4ac} }{2a}$

In the given equation x^2 - 8x + 41 = 0, a =1, b = -8 and c = 41

Now plug in the given values in the above formula, we get

x = $\frac{-(-8) +/- \sqrt{(-8)^2 - 4*1*41} }{2*1}$

Simplifying the above, we get

x = $\frac{8 +/- \sqrt{64 - 164} }{2}$

x = $\frac{8 +/- \sqrt{-100} }{2}$

[√-100 = √-1 *√100 = i*10 = 10i] because the value of √-1 = i]

x = (8 ± 10i )/2

Now dividing by 2, we get

x = 4 ± 5i

The answer is d) 4 ± 5i

Hope you will understand the concept.

Thank you.

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3 years ago

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