Twice a number decreased by 11 is -23
Let the number be x
So we get the equation
2x -11 = -23
Add 11 to both sides
2x = -12
Divide both sides by 2
x = -6
So the number is -6
Negative 6
Answer: you have it right
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
A matched subject design makes use of different sets of experimental groups for a treatment. then, each test subject in one group is matched with another equivalent subject in another group.
the advantage of this is that it reduces the error of variance
