What is the approximate solution to this equation?

2 answers:

8 0

So you could take and do each number to the third power until you get approximately 124.75.

Starting with A. it would be 4x4x4 = 64 - So it can't be A.

Now, B. it would be 5x5x5 = 125 - This would be your answer since the other numbers just get bigger and stray farther and farther away from 124. Hope this helps :)

Citrus2011 [14]2 years ago

6 0

The answer is B because 5^3 is 125 so the approximate answer is 124.75

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The widths of two similar rectangles are 10 m and 15 m. What is the ratio of the perimeters? Of the areas?

vitfil [10]

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2 years ago

The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. What ar

Degger [83]

Answer:

The minimum value of the bill that is greater than 95% of the bills is $37.87.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

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 question, we have that:

$\mu = 28, \sigma = 6$