Simplify square root of negative 100.

Answers

Answer 1

Answer: The answer to this is 10i.

Answer 2

Answer: The answer would be 10 i. The square root of 100 is 10, since there is no such thing as taking the square root of a negative the imaginary notion is applied.

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I need help on this question
Solve y = 2xz2 - xy for x

Point F is on line segment EG. Given EG = 20 and EF = 18, determine the
length FG.

Answers

Answer:

$ef \: + \: fg \: = eg \n \n 18 + fg = 20 \n \n fg = 20 - 18 \n \n fg \: = \: 2$

Answer:

EF+FG =EG

18 + FG =20

FG = 20-18

FG = 2

Find the critical valuesχ2L=χ21−α/2 χ L 2 = χ 1 − α / 2 2 and χ2R=χ2α/2 χ R 2 = χ α / 2 2
that correspond to 80 % degree of confidence and the sample size
n=15.
χ2L= χ L 2 =
χ2R= χ R 2 =

Answers

Answer: this is very hard and i was wondering if there is more info

Step-by-step explanation:

Final answer:

The critical values for a Chi-square distribution with 80% confidence level and sample size of 15 (thus 14 degrees of freedom) are: χ2L = 18.475 and χ2R = 8.897.

Explanation:

The question is asking for the critical values for a Chi-square distribution which can be found using Chi-square tables usually found in statistics textbooks or online. The critical values refer to the boundary values for the acceptance region of a hypothesis test.

When trying to find the critical values for an 80% confidence level with 14 degrees of freedom (since degrees of freedom = n - 1 for sample, thus 15 - 1 = 14), you need the 90th percentile for the χ2L and the 10th percentile for the χ2R (since α = 20%, then α/2 = 10%).

Using a Chi-square table for these percentiles, we get:

χ2L = 18.475

χ2R = 8.897