3 years ago

Question 30

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

4 0

I think it’s option 2 but i’m not rlly sure

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What are the coordinates of the Image of point L under a Reflection across the x-axis?

OverLord2011 [107]

C. It’s goes over two and up three. So therefore L would be (3,2)

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Which sequence is arithmetic? 6, 12, 15, 21, ... 7, 14, 21, 36, ... 8, 16, 32, 64, ... 9, 18, 27, 36, ...

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kumpel [21]

Answer:

no solution

Step-by-step explanation:

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Answer:

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2 years ago

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A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd scores a 55 on the test. Select the answer

Jlenok [28]

Answer:

Todd's Z-score is - 0.27

Step-by-step explanation:

Explanation:-

Step(i):-

Given data A test is normally distributed with a mean of 70 and a standard deviation of 10.

Mean of the population 'μ' = 70

Standard deviation of the Population ' σ ' = 10

let 'x' be the random variable in normally distributed

Step(ii):-

Given raw score 'x' = 55

Todd's Z-score

$Z = \frac{x-mean}{S.D}$

$Z = \frac{55-70}{55}$

Z = -0.27

Final answer:-

Todd's Z-score is - 0.27

6 0

3 years ago