Answer:
4 hours
Step-by-step explanation:
100/44=exams per hour for one examiner
11 =100/4=exams per hour for 11 examiners
100/(100/4)=4 hours
You "distributed" the negation inside the parenthesis. Let's focus on the 
part.
We can distribute the negation inside the parenthesis by negating every term, and switching and with or, and vice versa. So, you have
Of course, writing 
is improper, I was just stressing the fact that we distributed the negation to every term in the parenthesis. So, since a double negation cancels out, you're left with
which of course implies that
Edit: I actually derived the expression in the opposite order, but since they are equivalent, it doesn't really matters where you start from and where you get to. Anyway, if you actually want to derive 
from 
, you simply have to negate the first parenthesis and distribute the negation as discussed.
10√3 (-7 - √5)
10√3 × -7 + 10√3 × -√5
-70√3 + 10√3 × -√5
-70√3 - 10√3√5
-70√3 -10√3 × 5
-70√3 - 10√15
hope that helps, God bless!
The answer is C. The domain is all points between -8 and 8 since it keeps waving back and forth. The range is all real numbers the graph continues on forever. And it is not a function because it does not pass the vertical line test
Answer:
-4
Step-by-step explanation:
The common difference is found by subtracting the second term from a previous term
So...
3-7 would give the common difference = -4
-1-3 would give the common difference= -4
-5-1 would give the common difference= -4
