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Vladimir79 [104]
3 years ago
13

A similar right triangle would be created by a run of 8 and a rise of

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0

Answer:

The answer is a rise of 8 and a run of 6.

Step-by-step explanation:

Why? Cuz I just took the test hehe, you're very welcome.

Alborosie3 years ago
3 0

8 if you in count the orgin 0, 0

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Given the following sets.
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That's the uniion of sets  B and C
that means inclde all the values of both sets (not meaning the ones common to both sets)


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a and b repeat so list them only once


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answer is 4th option
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5. Original price of concert tickets:$100 . Discount: 21%
lutik1710 [3]

Answer:

Concert ticket now costs $79.

Step-by-step explanation:

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The average time an individual reads online national news reports is 49 minutes. Assume the standard deviation is 16 minutes and
Alexus [3.1K]

Answer:

11.70% probability someone will spend no more than 30 minutes reading online national news reports.

Step-by-step explanation:

Problems of normally distributed samples can be 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 = 49, \sigma = 16

What is the probability someone will spend no more than 30 minutes reading online national news reports?

This is at most 30 minutes, so 30 or less minutes. This is the pvalue of Z when X = 30.

So

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

Z = \frac{30 - 49}{16}

Z = -1.19

Z = -1.19 has a pvalue of 0.1170.

So there is a 11.70% probability someone will spend no more than 30 minutes reading online national news reports.

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3 years ago
At Marie's Book and Music Store, 7/20 of the sales come from
Vladimir79 [104]
The fraction would be 16/20
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