Answer:
13/10
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given the regression equation :
y=2+3x
Mean of y values ; y = 5.0
Where y is the predicted variable ; x = predictor variable
The predicted value of y for X = 2
Null: H0 = 5
Alternative H1 : ≠ 5
Sample size (n) = 10 pairs
Degree of freedom = n - 2 = 10 - 2 = 8
Answer:


Step-by-step explanation:
l = Length = 
w = Width = 
Area is given by

Area of the room is
.
If 
Area of the room

So, the amount of carpet needed would be
.
3.15 will be your answer i am very sure of that
Answer: x^2 + 4x + 4
Explanation:
just expand, factor out, and add together.
(x+2)(x+2)
x • x = x^2
2x + 2x = 4x
2 • 2 = 4
x^2 + 4x + 4