3 years ago

What is the measure of angle A?

Mathematics

1 answer:

levacccp [35]3 years ago

4 0

Answer:

Step-by-step explanation:

You multiply the 80 and the 18 and then you add 82

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Sasha is walking in a marathon. The distance she traveled is proportional…

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yulyashka [42]

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Galina-37 [17]

Answer: Ron's z-score is +1.2.

B. 1.2 standard deviation above the mean .

Step-by-step explanation:

Let X deontes the scores of the final exam

Given : Ms. Meyer's statistics class follow a normal distribution with Mean = 82

standard deviation =5.1

Formula : $z=\dfrac{X-Mean}{Standard \ deviation}$

Ron scored 88 on the final.

So, put x=88

$z=\dfrac{88-82}{5.1}=\dfrac{6}{5.1}\approx1.2$

Ron's z-score is +1.2.

Also, 88= 86+(1.2 x 5.1) = Mean +1.2 x (standard deviation)

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