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2 years ago

14

Convert

ign="absmiddle" class="latex-formula"> to decimal number. What’s the length of the non-repeating part? What’s the length of the repeating block?

1 answer:

OleMash [197]2 years ago

8 0

Answer:

Well to convert it into a decimal we do 1 / 280 which is 0.00357142857.

Well the lengh of the non repeating is only 3 numbers .003.

And the lenght of the repeating block is 6 numbers 571428

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To the nearest whole number, what is the best estimate of 214?

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210 is the answer to this question.

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2 years ago

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Mashcka [7]

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2 years ago

Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi

den301095 [7]

Answer:

Test scores of 10.2 or lower are significantly low.

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Step-by-step explanation:

Z-score:

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 20.6, \sigma = 5.2$

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Z-scores of -2 or lower

So scores of X when Z = -2 or lower

$Z = \frac{X - \mu}{\sigma}$

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Significantly high:

Z-scores of 2 or higher

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3 years ago

Maggie's brother is 4 years younger than three times her age. The sum of their ages is 20. How old is Maggie?

makkiz [27]

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2 years ago