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defon
2 years ago
10

Which is an equation of the line that passes through the point(2,3) and has a slope of 1/3

Mathematics
1 answer:
777dan777 [17]2 years ago
7 0
Y = 1/3x + b
Plug in the point
3 = 1/3(2) + b
3 = 2/3 + b, b = 7/3
Solution: y = 1/3x + 7/3
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3 years ago
The U.S. Bureau of Labor Statistics reports that of persons who usually work full-time, the average number of hours worked per w
alukav5142 [94]

Answer:

The standard deviation of number of hours worked per week for these workers is 3.91.

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}

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In this problem we have that:

The average number of hours worked per week is 43.4, so \mu = 43.4.

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This means that the Z score of X = 48 has a pvalue of 0.88. This is Z between 1.17 and 1.18. So we use Z = 1.175.

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The standard deviation of number of hours worked per week for these workers is 3.91.

6 0
3 years ago
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shepuryov [24]
The first term a = 1, 

Common difference, d: 7 - 1 = 6.

a(n) =  a + (n -1)d,        

For 30th term.      =  1 + (30 -1)*6
 
                             =  1 + 29*6 = 1 + 174 = 175
8 0
3 years ago
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