Answer: 
Step-by-step explanation:
It is important to remember the following:

In this case you can observe in the figure that "x" is an Angle formed by two chords, therefore, you can find its value applying the formula.
Therefore, the value of "x" is this:

Answer:
I think its 1/2 hope this helps
Step-by-step explanation:
Step-by-step explanation:
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Answer:
2 and 2/3
Step-by-step explanation:
2/3 multiplied by 4
1/4hr+1/6hr=time per customers
=5/12hr
3hr+1/3hr=40/12hr
everyday8customers
every week 30customers