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Bumek [7]
4 years ago
12

Simplify the radical expression. Please explain how you got your answer. √25/4

Mathematics
1 answer:
astra-53 [7]4 years ago
6 0
√25/4=5/2 because 5/2 times 5/2 equal 25/4. Hope it help!
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Two fair dice are rolled. What is the probability that the first die rolled a 2 and the second die rolled a number greater than
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Answer: first: 1/6   second dice: 4/6

Step-by-step explanation:

So we know that a  dice have the numbers 1,2,3,4,5, and 6 .

So the the probability that first die rolled 2 is 1/6 because there appears only on 2 .

and the probability that the second dice rolled a number greater than 2 is 4/6 or 2/3 because there are 4 numbers greater than 2 out of the 6 total .

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3 years ago
A soft drink machine outputs a mean of 2323 ounces per cup. The machine's output is normally distributed with a standard deviati
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Answer:

Area under the normal curve: 0.6915.

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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 = 23, \sigma = 2

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

Z = \frac{24 - 23}{2}

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5 0
3 years ago
Line Q is represented by the following equation: 2x + y = 11
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Answer:

the second one.

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Plz help me solve this thanks
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Answer:

-2\sqrt{3}+8\sqrt{5}

Step-by-step explanation:

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