Kylie is 59.54 inches tall. Her friend Adam is 1.37 inch taller than she is. How tall is
1 answer:
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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,
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:
Answer:
And
Step-by-step explanation:
For this case we assume that for the first square we have the following dimensions:
And we know that:
And the area for the second square would be:
And we know that the sum of areas is 65 so then we have this:
And replacing we got:
We can divide the last expression by 2 and we got:
And we can factorize the last expression like this:
And we have two solutions for and we got:
Since the length can't be negative we have this:
And