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Inga [223]
3 years ago
6

Can someone help please? ​

Mathematics
1 answer:
vaieri [72.5K]3 years ago
7 0

Answer:

Step-by-step explanation:

x^{2}  + 2x =6\\\\x^{2} +2x + 1^{2}  = 6 + 1^{2} \\\\(x+1)^{2} =  (\sqrt{7})^{2}

x+1 = \sqrt{7}

x = -1 ± \sqrt{7}

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a five question multiple choice quiz has five choices for each answer. use the random number table provided, with 0's representi
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The experimental probability of correctly guessing at random exactly zero correct answers is (4/5)⁵

<h3>What is Probability?</h3>

Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.

Here, total multiple choice quiz = 5 questions

          Each question contains 5 choices in which 1 choice is correct and remaining 4 are incorrect.

Possibility of first wrong choice = 4/5

Possibility of second wrong choice = 4/5

Possibility of third wrong choice = 4/5

Possibility of fourth wrong choice = 4/5

Possibility of fifth wrong choice = 4/5

Overall probability for Zero correct answer=(4X4X4X4X4)/(5X5X5X5X5)

                                                                        = (4/5)⁵

Thus, the experimental probability of correctly guessing at random exactly zero correct answers is (4/5)⁵

Learn more about Probability from:

brainly.com/question/11234923

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4 0
2 years ago
Put -9.3 and -4.125 and -2.25 in order from least to greatest
DedPeter [7]
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Hope This Helps You!
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7 0
3 years ago
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3 years ago
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