Answer:
(4,1)
Step-by-step explanation:
x+y=5
x- y=3
Add the equations together to eliminate y
x+y=5
x- y=3
--------------------
2x = 8
Divide each side by 2
2x/2 = 8/2
x = 4
Now we can find y
x+y = 5
4+y = 5
Subtract 4 from each side
4+y-4 = 5-4
y =1
Answer:
Option C. ![r=-0.901](https://tex.z-dn.net/?f=r%3D-0.901)
Step-by-step explanation:
we know that
Using a Excel tool (Correl function)
see the attached table
The r-value is ![r=-0.901](https://tex.z-dn.net/?f=r%3D-0.901)
Answer:
40 degrees
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
6/6+6+2-5=