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sdas [7]
3 years ago
5

I need help with this​

Mathematics
2 answers:
Vladimir [108]3 years ago
6 0

Answer:

1 1/2

Step-by-step explanation:

there are 12 eggs in a dozen.

18/12 = 1 6/12 = 1 1/2

Sindrei [870]3 years ago
6 0
1 1/2 there at 12 eggs in a dozen
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For online courses, like those in eCore, there is a positive correlation between the amount of time spent in the course and the
Troyanec [42]

Answer:

Regression Line is given by,

y = 22.909 + 0.209 x

The course grade of a student in the course who spent an average of 103 minutes in the course each week is: 22.909 + 0.209 × 103 = 44.436

Step-by-step explanation:

The equation of Regression equation is of the form of:

y = a + bx

where, a is intercept and b is slope

The formula for a and b is given by,

a=\frac{\sum Y \sum X^2-\sum X \sum XY}{n\sum X^2-(\sum X)^2}\\ and, b = \frac{n\sum XY -\sum X \sum Y}{n\sum X^2-(\sum X)^2}

Here, ∑X = 1149.8, ∑Y = 377.2, ∑XY = 93115.95, ∑X² = 320246.72

Thus, a = 22.909

and b = 0.209

Thus, Regression Line is given by,

y = 22.909 + 0.209 x

Thus, The course grade of a student in the course who spent an average of 103 minutes in the course each week is: 22.909 + 0.209 × 103 = 44.436

Now plotting these line:

6 0
2 years ago
Please Help With This!!
fomenos

Answer:

f=4

Step-by-step explanation:

-11f=7(1-2f)+5

-11 f=7-14f+5

14f-11f=12

3f=12

f=4

6 0
2 years ago
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