Answer:
Step-by-step explanation:
In propositional logic and Boolean algebra, De Morgan's laws are a pair of transformation rules that are both valid rules of inference. ... The rules allow the expression of conjunctions and disjunctions purely in terms of each other via negation.
Answer:
105
Step-by-step explanation:
first, the printer print 15 (75/5) pages per minutes,
next, 7×15=105
The mean of your question would be -2.5
1 plus to the negative Peter plus the relative integers
The place value of 9 is millions place.
<u>Place values:</u>
7: hundred millions
3: ten millions
9: millions
1: hundred thousands
7: ten thousands
4: thousands
2: hundreds
6: tens
5: ones
hope this helps