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GenaCL600 [577]
3 years ago
7

Supply and demand coordinate to determine prices by working

Mathematics
1 answer:
Verdich [7]3 years ago
4 0
The Answer is Together
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Rounded what is 489291 rounded to the nearest hundred
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The answer is 489,300.

Work:

We go to the tenth's place, which is 9. Since 9 is higher than 5, we need to round the hundredth's place to 3.
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The quadratic function g(x) = ax^2 + bx + c has the complex roots (-5+9i) and (-5-9i). (you may assume that a = -1) what is the
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Answer:

  • b = -10, c = -106

Step-by-step explanation:

<h3>Given</h3>

<u>Quadratic function </u>

  • g(x) = ax^2 + bx + c

with the roots:

  • (-5+9i) and (-5-9i)
<h3>To find </h3>
  • b and c if a = -1
<h3>Solution</h3>

<u>As we know the sum of the roots is -b/a and the product of the roots is c/a. Substituting values and solving for b and c:</u>

  • (-5 + 9i) + (-5 - 9i) = -b/-1
  • -10 = b
  • b = -10

And

  • (-5 + 9i)(-5 - 9i) = c/-1
  • (-5)² - (9i)² = -c
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  • - c = 25 + 81
  • - c = 106
  • c = -106

g(x) = -x² -10x - 106

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2 years ago
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Answer:

It's D.

Step-by-step explanation:

That would be D.

-24 + 24 = 0.

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