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AlexFokin [52]
3 years ago
7

How many solutions would there be for the following system of equations?

Mathematics
2 answers:
miss Akunina [59]3 years ago
5 0

Answer:

1 solution

Step-by-step explanation:

y = 3x-5

This is a line with a non-zero slope.

62-2y = 10

2y =  52

y = 26

This is a horizontal line.

The lines intersect at one point, (31/3, 26)

Mila [183]3 years ago
4 0
Solution A1 is correct hope it helpsss
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Answer:

The 90% confidence interval for the average bonus that all employees working for financial companies in New York City received last year is between $43,819 and $50,181

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

T interval

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

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Now, we have to find a value of T, which is found looking at the t table, with 61 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.9}{2} = 0.95. So we have T = 1.67

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The upper end of the interval is the sample mean added to M. So it is 47000 + 3181 = $50,181

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