Is this a multiplication question?

Mathematics

1 answer:

nevsk [136]3 years ago

7 0

It can be. Or you could set it up as addition. The acrobat is doing the stuff on the top of the picture. And the total distance is on the bottom of the picture. So you add all the parts on the top and that equals the part on the bottom. 8+x+8+x+8+x=30
Or 3*8+3*x=30
Either way simplifies to 24+3x=30
Subtract the 24 from both sides
3x=6
Divide by the 3 on both sides
X=2
The length of each trick is 2.

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79.91% of loaves are between 26.94 and 32.18 centimeters

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:

$\mu = 30, \sigma = 2$