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netineya [11]
3 years ago
11

8. What is the solution to the system? { x + y + z = 3 2x-y + 2z = 6 3x + 2y - Z=13

Mathematics
1 answer:
pogonyaev3 years ago
8 0

Answer:

x,y, and z is 4,0, -1

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Answer:

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Report 01/07/18

Step-by-step explanation:

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The 10 participants in an experiment had the following reaction times ( in milliseconds ) : 778,783,784,786,790,804,807,810,819,
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Answer:

Mean. It includes all data points.

Step-by-step explanation:

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\bar x=\frac{1}{n}\sum{x_i}\\\\=\frac{1}{10}\sum{778+783+784+786+790+804+807+810+819+823}\\\\=\frac{1}{10}\times \\\\=798.40

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-Since our data points is an even number, the median number is calculated as:

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#Mode is the data point with the highest frequency:

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3 years ago
Write expression of the following phrase. <br> x is at least 7
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Answer:

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Step-by-step explanation:

"Is at least" means the same as "is greater than or equal to". Then "x is greater than or equal to 7" is expressed in symbols as ...

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