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JulsSmile [24]
3 years ago
15

Which expression gives the distance between the points (2,4) and (5,3)?

Mathematics
1 answer:
love history [14]3 years ago
6 0

Answer: \sqrt{10}

Step-by-step explanation:

d = \sqrt{(x_{2}-x_1)^2 + (y_{2}-y_1)^2 } \\x_2 = 5\\x_1 = 2\\y_2 = 3\\y_1 = 4\\\\\\d = \sqrt{(5-2)^2 + (3-4)^2 } \\\\d = \sqrt{3^2 + 1^2}\\d = \sqrt{10}

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A Ski resort tracks the proportion of seasonal employees who are rehired each season. Rehiring a seasonal employee is beneficial
DaniilM [7]

The test statistic z will be equal to -0.946 and it shows that there is no significant difference in the proportion of rehires between full time and part time.

Given sample sizes of 833 and 386 and result of samples 434 and 189.

n_{1} =833,     n_{2}=386

Proportion  of full time=434/833=0.52

Proportion of part time=189/386=0.49.

Difference in proportion =0.52-0.49

H_{0}:TTF- i∈ rho=0

H_{1}: TTF+i∈ rho≠0.

Mean of difference=0.03

Z=(X-μ)/σ

σ=\sqrt{0.4517/447}

=0.0317

σ=0.0317

z=(0-0.03)/0.0317

=-0.03/0.0317

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p value will be =0.1736.

Because p value is greater than 0.01 so we will accept the null hypothesis which shows that there is no significant difference in the proportions.

Hence there is no significant difference in the proportion of rehires between full time and part time.

Learn more about z test at brainly.com/question/14453510

#SPJ4

6 0
1 year ago
3^x.2x = 3^x + 2x-1​
sattari [20]

Answer:

x=0

Step-by-step explanation:

answer x=0

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2 years ago
Question 7
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Answer:

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3 years ago
When graphing a linear inequality in two variables, explain how to determine which side of the boundary line to shade. Please he
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If it has an equal bar under it, like this: \leq  or \geq, then you also shade the line, by making it solid instead of dotting it.
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3 years ago
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