Answer:

Step-by-step explanation:
Given
The attached probability distribution of x
Required
Find 
To do this, we consider all values of x less than or equal to-3.
So, we have:

From the table:


So, the equation becomes



Answer:
50 dgrees
Step-by-step explanation:
staruight line is 180 so 180 minus 130 is 50
Answer:
4x -8 +4y
Step-by-step explanation:
Distribute
4(x – 2 + y)
4*x -4*2 +4*y
4x -8 +4y
Answer:
The reciprocal of X is defined as 1/X,
Step-by-step explanation:
idk tbh
Answer:
1/221=0.0045
Step-by-step explanation: