Amy gets 3 points for every correct answer and looses 2 point for every wrong answer. If she answered 50 questions and scored 10
1 answer:
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Answer: .
Step-by-step explanation: Given radical expression
.
According to the product property of roots.
On applying above rule, we get
5 × 25 = 125 and
Therefore,
Answer:
2/1 or in better numbers 2
Step-by-step explanation:
Answer:
a) Suppose that F is ordered in ascending order: . Then, the complement of F can be written as
which is the union of a finite number of open intervals, then is an open set. Thus, F is a closed subset of the real numbers.
b) Take an arbitrary element of F, let us say . Now, choose a real number
such that
there are not other element of F, because
is less that the minimum distance between
and its neighbors.
In case that we only consider
, and if
we only consider
.
Then, all points of F are isolated.
Step-by-step explanation: