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Vitek1552 [10]
3 years ago
6

Can someone help me? I’ll reward brainalist + points

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0

Answer:

B, -25

Step-by-step explanation:

3-4 = -1

-1(3 + 3^2 + 13) = -1(25), the answer is -25

tangare [24]3 years ago
7 0

Answer:

-<em>2</em><em>5</em>

Step-by-step explanation:

-<em>2</em><em>5</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>answer</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

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Step-by-step explanation:

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3 years ago
Which of the following is a root of the polynomial function below
VMariaS [17]

Answer:

A) 2 + i

Step-by-step explanation:

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We have our first real root! But it doesn't look like that's one of the answer choices, so move on to the other expression:

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This expression can't be factored, so we will use the quadratic formula (which is x = \frac{-b+-\sqrt{b^{2}-4ac }  }{2a}).

First solve for the positive part:

= (4 + sqrt(16-20)) / 2

  = 4 + sqrt(-4) / 2

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Then for the negative part:

= (4 - sqrt(16-20)) / 2

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<u></u>

<u>2 + i</u> is answer choice A! Our other roots, <u>2 - i</u> and <u>-1</u>, aren't answer choices.

8 0
3 years ago
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Answer:

1.6 cups of sugar

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0.4 cups of sugar for 1 batch of cookies

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1 year ago
Why should you generally expect some error when estimating a parameter? (for example, a population? mean) by a statistic? (for e
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