What is the answer for 8x+3(x-4)

Mathematics

2 answers:

FrozenT [24]3 years ago

8 0

add all the numbers up to get : 9x-1

all you do is add 8x+x and then 3-4 but then you divide to find what x is 9/9 and 1/9. x= 1/9 since x would be a repeated number. ( please mark me brainlinest lol)

Alika [10]3 years ago

3 0

The answer would be 11x-12

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Suppose that the weights of passengers on a flight to Greenland on Frigid Aire Lines are normal with mean 175 pounds and standar

Natali5045456 [20]

Answer:

The minimum weight for a passenger who outweighs at least 90% of the other passengers is 203.16 pounds

Step-by-step explanation:

Problems of normally distributed samples are solved using 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 problem, we have that:

$\mu = 175, \sigma = 22$