Which one do you need help with
Since these are supplementary angles (two angles which sum to 180°) we can say:
4x+x=180 combine like terms on left side
5x=180 divide both sides by 5
x=36°
Answer:
Proper Subsets = 1023
Step-by-step explanation:
Given
Required
Determine the proper subsets
Proper Subset (P) is calculated using;

Where

In this case;

So:




Hence;
<em>Proper Subsets = 1023</em>
i y vino the answer is 60° i hope so