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Ksenya-84 [330]
3 years ago
15

Determine whether the given segments have the same length. Complete the justification of your answer,

Mathematics
1 answer:
Ratling [72]3 years ago
5 0

Answer:

No does not contain the same length

Step-by-step explanation:

Given that

A(-4,2) , B (1,4), C (2, -1)

Now

AB would be

= \sqrt{(1-(-4))^2 + (4-2)^2} \\\\= \sqrt{29}

And, BC is

= \sqrt{(2-1)^2 + 1-(-4))^2} \\\\= \sqrt{26}

As we can see that the AB and BC are not equaled

So,

AB ≠ BC

Due to the different length

Therefore they do not contains the same length

We simply applied the distance formula due to which the length could be determined and the same is to be considered

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Answer:

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Step-by-step explanation:

We have the following information:

mean = m = 52000

standard deviation = sd = 12000

a = 40000

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we need to find the probability between a and b, that is:

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replacing

P [(40000 - 52000) / 12000 <z <(76000 - 52000) / 12000]

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We look for this value of z, in the attached table:

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P = 0.8185

In other words, the probability is 81.85%

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