2 years ago

5. What is the angle measure of a straight line?

Mathematics

1 answer:

abruzzese [7]2 years ago

7 0

180 degrees...........

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You could translate this sum into a normal sebtence: I have 36 apples and add 1 apple more.

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a) Suppose that F is ordered in ascending order: $F = \{x_1,\ldots, x_n\}$ . Then, the complement of F can be written as

$F^c = (-\infty,x_1)\cup (x_1,x_2)\cup (x_2,x_3)\cup \cdots \cup (x_{n-1}, x_{n})\cup (x_n,+\infty)$

which is the union of a finite number of open intervals, then $F^c$ is an open set. Thus, F is a closed subset of the real numbers.

b) Take an arbitrary element of F, let us say $x_k$ . Now, choose a real number $\epsilon$ such that

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Step-by-step explanation:

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