Can someone help me with #19
1 answer:
9514 1404 393
Answer:
38
Step-by-step explanation:
The graph shows all of the sides of the figure aligned with the axes except side ST. Its length can be found using the distance formula:
d = √((x2 -x1)² +(y2 -y1)²)
d = √((7 -(-5))² +(-2 -3)²) = √(144 +25) = 13
Then the perimeter is the sum of the side lengths:
13 + 4 + 12 + 9 = 38
The perimeter of STUV is 38 units.
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Answer:
a.
b. The symbol y-bar represents the average price of hotels in the area
Step-by-step explanation:
a. The regression line equation is given by:
Where Alpha represents the slope, Beta represents the intercept with the Y axis, and epsilon represents the random component of the model. Thus,
y
Obtaining:
.
b. In a simple linear regression model the value of y-bar represents the average of all values of y observed. Thus, since y represents the prices of the hotels, then y-bar is the average price of hotels in the area.