Let Z={a,c,{a,b}}. What is |Z|?
1 answer:
(treat
as one element of
)
The power set of is
1. is true because both
and
.
2. is true.
3. is true (same reason as part 1).
4. is false because
does not contain the set
, rather just the element
itself.
5. is false because the element
on its own simply is not in
. That
does not mean
, but that
belongs to a subset of
.
6. is true.
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For this case we have by definition:
1 Pint is equal to 0.5 quart
We must indicate how many quarts there are in 120 pints.
Making a rule of three we have:
1 pint --------------------> 0.5 quart
120 pints -------------> x
Where the variable "x" represents the number of quarts equivalent to 120 pints.
Thus, 120 pints are equivalent to 60 quarts
Answer:
Option C