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3 years ago

6

Here are the city gas mileages for 13 different midsized cars in 2008. 16, 15, 22, 21, 24, 19, 20, 20, 21, 27, 18, 21, 48 What i

s the first quartile?

1 answer:

Vaselesa [24]3 years ago

4 0

Answer:

Q1 --> 18.5

Step-by-step explanation:

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Let FS R be a finite set. (a) Prove that F is closed (b) Prove that every point in F is an isolated point.

Lorico [155]

Answer:

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

$0$ there are not other element of F, because $\epsilon$ is less that the minimum distance between $x_k$ and its neighbors.

In case that $k=1$ we only consider $0$ , and if $k=n$ we only consider $0$ .

Then, all points of F are isolated.

Step-by-step explanation:

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3 years ago

What statement are true about this expression 2/3n +58.6

vampirchik [111]

Step-by-step explanation:

perdon no entindo

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3 years ago

Ganezh [65]

Answer:

B) No, they are not congruent.

Step-by-step explanation:

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3 years ago

Please help me as soon as possible

elixir [45]

You might want to see what other people say but I think that it is 40

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Steven and Brittney are both starting lawn mowing businesses to save money to buy a dog. Steven charges $20 a yard and $6 an hou

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