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.
Answer:
A.
Step-by-step explanation:
4 < 6t + 1 ≤ 43 (Given)
3 < 6t ≤ 42 (Subtracted 1 on both sides)
1/2 < t ≤ 7 (Divided 6 on both sides)
You are looking for an open dot on 1/2 and a shaded dot on 7 with a line between them. Therefore, the answer is A.
Answer:
A 4.205Km
Step-by-step explanation:
If you subtract 9.754 - 5.549 you get 4.205.
Be present in 35 milliliters of the solution. [round off your answer to two decimal places. if you answer is less than one, include the zero before the decimal point.]
Answer:
3x3-45÷(4+1) is 0.
Step-by-step explanation:
We have to do order of operations so we follow PEMDAS:
P is for Parentheses so we do what's in parentheses first:
(4+1)=5
E is for Exponents but we don't have exponents.
Next is M and D for Multiplication and Division. We have division before multiplication so we should do division first:
45÷5=9
We now have multiplication:
3x3=9
Now we have A and S for addition and subtraction
We don't have addition so we'll do subtraction:
9-9=0
The final answer is 0.
Hope this helps! :)
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