Here is the awnser hopes this helps and we are in the middle of learning this to
Answer:
Step-by-step explanation:
The given quadratic equation is .
Comparing this equation to: , we have a=2,b=-5.
Where: and
The difference in roots is given by:
Divide both sides by -2
Answer:
136.36 meters
Step-by-step explanation:
we know that
Chelsea sprinted 150 yards in 21.5 seconds
convert yards to meters
Remember that
One meter is approximately equal to 1.1 yards
So
Divide by 1.1
therefore
Chelsea sprinted 136.36 meters in 21.5 seconds
Control group.
A single or double blind study means that either the participants or the researchers or both does not know who is in the control group and who is in the experimental group. This, there has to be a control group
Answer:
b
Step-by-step explanation:
1 plus 2 equals three