![aek02](/avatars/8496.jpg)
aek02
09.10.2019 •
Mathematics
What are the x-intercepts for the graph below?
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Ответ:
➷ x- intercepts are where the line/graph pass through the x axis
By looking at the graph, you can see it would be 4 and 5
In coordinate form, it would be (4,0) , (5,0)
Thus, your answer is D
✽➶ Hope This Helps You!
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Ответ:
Kindly check explanation
Step-by-step explanation:
Given the data:
Temperature (degrees Celsius) : 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Percent heat loss from beak : 35 36 38 28 41 43 55 46 39 54 45 58 60 56 62 67
Using an online regression calculator ; the regression equation obtained is :
ŷ = 2.0927X + 0.6029
X = independent variable
Y = predicted variable
2.0927 = slope
0.6029 = intercept
B.) temperature = 25
ŷ = 2.0927(25) + 0.6029
= 52.9204
C.) the explained variance is the value of the coefficient of determination (R²) which is the square of the correlation Coefficient
0.8785² = 0.7718
D.) the correlation Coefficient r is 0.8785 using the Coefficient of regression calculator