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Kay [80]
3 years ago
6

Mr. Sullivan places tiles numbered 1 through 18 in a bag and assigns a number to represent each of the 18 students in his class.

Students will present their final reports in the order that their assigned tiles are drawn from the bag. Is Mr. Sullivan being fair? Explain.
Mathematics
1 answer:
Delicious77 [7]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

This question is based upon probability. Each student has a 1 in 18 chance of going first. To complete this mathematically is as follows:

1/18 = 0.05555556

So each student has approximately a 5 percent chance of being chosen first. Now as students are chosen, the probability of them being last grows as students are eliminated because they are chosen based upon their assigned number.  

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X^3*x^4=x^12 whats the answerrr
erica [24]

Answer:

I hope it helps it was the best I can do.

Step-by-step explanation:

-x12 + x7 = 0

Factorization:

−x7(x − 1)(x4 + x3 + x2 + x + 1) = 0

Solutions based on Jenkins–Traub algorithm:

x1 = … = x7 = 0

x8 = 1

x9 = −0.809017 − 0.587785i

x10 = −0.809017 + 0.587785i

x11 = 0.309017 − 0.951057i

x12 = 0.309017 + 0.951057i

5 0
3 years ago
Which function is negative for the interval [-1,1] ?
iris [78.8K]

Answer:

Option (2)

Step-by-step explanation:

Option (1)

In the interval [-1, 1] Or -1 ≤ x ≤ 1, value of the function will be represented by the y-values.

Since, the graph is below x-axis in the interval -1 ≤ x ≤ 0.5, function will be negative.

And in the interval 0.5 ≤ x ≤ 1, graph is above the x-axis, function will be positive.

Option (2)

In this option, graph is below the x-axis in the interval [-1, 1].

Therefore, the given graph is negative in this interval.

Option (3)

In this graph, function is negative and positive both in the interval -1 ≤ x ≤ 1.

Option (4)

In this graph function is completely above the x-axis in the interval -1 ≤ x ≤ 1.

So this function is positive in the interval [-1, 1].

Therefore, Option (2) will be the answer.

7 0
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Kitty [74]
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Tip: There is already 25, so there is only 50. But they want half so, half of 50 is 25.

I hope you understand.
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