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lys-0071 [83]
2 years ago
9

Help Please! △ABC is given with line m drawn through A parallel to BC¯¯¯¯¯¯¯¯. In the course of proving that the interior angle

measures of △ABC sum to 180°, which of the following will be shown? Select the two correct answers.
∠1≅∠B

∠1≅∠C

m∠1+m∠BAC+m∠2=180°

m∠BAC+m∠C+m∠2=180°

∠2≅∠A
Mathematics
1 answer:
Viefleur [7K]2 years ago
8 0

not sure but i thibj the second one

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Answer:

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Step-by-step explanation:

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Verdich [7]

Answer:

1. z = -1.91429

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2. 2.7792%

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1. Relative to the WHO data, what is this girls z-score?

z score formula is:

z = (x-μ)/σ, where

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σ is the population standard deviation = 1.40cm

z = 44.5 - 47.18/1.40

z = -1.91429

What does the z score tell us?

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

2. Using the WHO data in a normal model, what percentage of the girls has a head circumference that is smaller than the girl with Down's Syndrome?

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P(z =-1.91429) = P(x<44.5) = 0.027792

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2 years ago
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Answer:

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