Triangle ABC has venices A(-4, 3) B(2, 3). and C(-5, 1) A dilation wi
1 answer:
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Answer:
the answer is 58 degrees (rounded) I have done a step by step explanation below.
Step-by-step explanation:
hope this helps...
Answer:
a= 13.15 years
b= -0.62 years/$
Step-by-step explanation:
Hello!
Given the variables
Y: Age of a used car. (years)
X: Price of a sold used car. ($000)
The linear regression model is:
E(Y)= α + βXi
The estimated equation is:
^Y= a + bXi
a= 13.15 years
b= -0.62 years/$
Then ^Y= 13.15 - 0.62Xi
Mean Y= 8.92
Mean X= 6.91
∑Y= 107
∑Y²=1009
∑X=82.90
∑X²=615.29
∑XY=712.9
Hope it helps!
