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2 years ago

√ 5 ( 3 √ 2 + 5 √ 5 )

Mathematics

1 answer:

Nutka1998 [239]2 years ago

4 0

Answer:

Thanks for free pointsThanks for free pointsThanks for free pointsThanks for free pointsThanks for free points

Step-by-step explanation:

vThanks for free pointsThanks for free pointsThanks for free pointsThanks for free pointsThanks for free points

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tell me you love me pls i need sum luv i spents alot of time doing this im doing another one but 100 pts

Anestetic [448]

Answer:

I love you and i'm proud of you :)

8 0

2 years ago

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:

8 0

2 years ago

In a game of chance, the probability of winning a $50 is 40% and the probability of losing a $50 prize is 60%. what is the expec

melamori03 [73]

To calculate expected value,
We can add up the probability of all possible events.
The 2 possible events are either winning $50 or losing the prize, which is $ - 50
Expected value =
50 x 40 % + (-50) x 60%
= $-10
So the answer is $-10

4 0

2 years ago

PLEASE HELP DUE TOMORROW

kow [346]

190-15=x
I believe?
I THINK THIS IS THE ANSWER

3 0

2 years ago

Solve the following inequality algebraically. ∣x−5∣≤11

Igoryamba

Answer:

$-6\leq x\leq 16$

Step-by-step explanation:

So we have the inequality:

$|x-5|\leq 11$

Definition of Absolute Value:

$x-5\leq 11\text{ or } x-5\geq -11$

Note that the sign is flipped in the second case because we multiplied by a negative.

Add 5 to both sides to both equations:

$x\leq 16\text{ or } x\geq -6$

Merge:

$-6\leq x\leq 16$

And we're done!

4 0

2 years ago