This system of equations is consistent and independent, because there is only one solution. the answer is C
Answer:
57.142858%
Step-by-step explanation:
I didn't know if you wanted the entire answer, so I just gave it anyway.
Answer:

Step-by-step explanation:
Given
x² + x
To complete the square
add ( half the coefficient of the x- term )² to x² + x
x² + 2(
)x + (
)² = x² + x + 
= (x +
)² ← perfect square
Answer:
(x-2) (4x^2+1)
Step-by-step explanation:
4x^3-8x^2+ x-2
Factor 4x^2 out of the first group and 1 out of the second group
4x^2 (x-2) +1(x-2)
Factor out (x-2)
(x-2) (4x^2+1)
Answer:
The correct answer is "$159 and $175".
Step-by-step explanation:
The give values are:
Mean,
= $167
Standard deviation,
= $40
Number of commuters,
n = 100
Now,
⇒ 
On putting the given values, we get
⇒ 
⇒ 
⇒ 
By using the 2 SE rule of thumb, we get
= 
= 
=
($)
Or,
= 
= 
=
($)
i.e,
$159 and $175