Here we go ~
The air plane descends 15 feels every 1.45 seconds, so it's unit rate is :
Now we have to calculate the descent in 3.5 minutes ~
So, the airplane descends 2172.41 feels in three and a half minutes ~
One kilogram of cheese costs £9.68
1 answer:
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Answer:
never
Step-by-step explanation:
The expression: ~q means "not q"
If ~q is false, then q is true
The expression:
If p is true and ~q is false
is equivalent to:
If p is true and q is true
then:
If p is true and q is true, then p -> q is <u>never</u> false (or is always true, see table attached). Or:
If p is true and ~q is false, then p -> ~q is <u>never</u> false.
