Am guessing this is not high school work
Answer:
Chapter 8; 8.3 Is the sentence ∃ x, y x=y valid? Explain. 8.3 The sentence ∃ x,y x = y is valid. A sentence is valid if it is true in every model. An existentially quantified sentence is true in a model if it holds under any extended interpretation in which its variables are assigned to domain elements.
Step-by-step explanation:
Answer:
263.76
Step-by-step explanation:
It is 7 times 12 times 3.14. Then you round your answer
Let's do it on an example of 2 such numbers:
you know that -2 is bigger than -3.
but their absolute values are inverted in the order:
3 is bigger than 2.
So that means that the absolute values of these number will be ordered similarly to the original numbers, but "in the other direction":
if the original numbers were a,b,c,d,e
their absolute values will be ordered:
e,d,c,b,a
Answer:
3.25
Step-by-step explanation:
its like that just multiply
