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Dima020 [189]
3 years ago
14

Is X+2y+3z equivalent to z+Y+Z+X+Y+Z

Mathematics
1 answer:
ASHA 777 [7]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

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The slope of the line passing through (-9,-6) and (-15,y) is 2/3. what is the value of y
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The value of y is -10
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Answer:

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Step-by-step explanation:

First you've to simplfy it, multiply the first bracket by 5 and the second by 4.

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Combine Like Terms:

= 10x+35+8x+28

= (10x+8x)+(35+28)

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Find the mean median mode<br> 12,9,12,11,10,18,7,19,13,19
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Mean : The average of all the data in a set.

Median : The value in a set which is most close to the middle of a range.

Mode : The value which occures most frequently in a data set.

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Mean = 13 (Average)

Median = 12 (Middle)

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3 years ago
The nicotine content in a single cigarette of a particular brand has a distribution with mean 0.9 mg and standard deviation 0.1
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Answer:

The answer to the question is;

The probability that the resulting sample mean of nicotine content will be less than 0.89 is 0.1587 or 15.87 %.

Step-by-step explanation:

The mean of the distribution = 0.9 mg

The standard deviation of the sample = 0.1 mg

The size of the sample = 100

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The z score for sample mean is given by

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X = Mean of the sample

μ = Mean of the population

σ = Standard deviation of the population

Therefore Z = \frac{0.89-0.90}{0.1/\sqrt{100} } = -1

From the standard probabilities table we have the probability for  a z value of -1.0 = 0.1587

Therefore the probability that the resulting sample mean will be less than 0.89 = 0.1587 That is the probability that the mean is will be less than 0.89 is 15.87 % probability.

             

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3 years ago
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Answer:

22u2uu2i2iu2ui

Step-by-step explanation:

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