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hodyreva [135]
3 years ago
7

Show that any finite set is closed.

Mathematics
1 answer:
Alecsey [184]3 years ago
6 0
<span>If you know that a single point is closed (as a set), then any finite set is closed because they are finite unions of closed (single point) sets.</span>
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PLEASE HELP
Virty [35]

Answer:

86

Step-by-step explanation:

4 0
3 years ago
1. In school lottery to win a price for "Free Domino's Pizza" it is required to select 5 numbers (in any order) out of 40 number
barxatty [35]

Answer:

1/8 ;

12 / 51

Step-by-step explanation:

To select any 5 numbers out of 40

Number of selection required / total numbers

Probability of winning = 5 /40 = 1/8

Total number of socks = 18

White, W = 8

Black, B = 6

Blue, C = 4

probability, without looking in the drawer, that you will first select and remove a black pair, then select either a blue or a white pair?

P(B) * [(P(C) + P(W)]

Probability = required outcome / Total possible outcomes

P(B) = 6 / 18 = 1/3

Without replacement :

P(W or C) = 8/17 + 4/17 = 12/17

Hence,

1/3 * 12/17

= 12 / 51

8 0
3 years ago
If a triangle has a heig of 14 inches and base of 9 inches whats its area?
vlada-n [284]

Answer:

63 inches

Step-by-step explanation:

the formula for the area of a triangle is

a = 1/2 bh

plug in the numbers

a = 1/2(9)(14)

9 times 14 is 126

a = 1/2(126)

half of 126 (or 126 divided by 2)

area = 63 inches

8 0
3 years ago
What is the solution to the system of equations?<br><br> y=1<br> y=-5x+3
In-s [12.5K]

Answer:

y=1

x=2/5

Step-by-step explanation:

1=-5x+3

-2=-5x

x=2/5

7 0
3 years ago
Read 2 more answers
Dr.Cheeks tries to run at least 45 rotations on her hamster wheel each week.She has already run 6 rotations.
kodGreya [7K]

Answer:

She needs to do 39 more rotations.

Step-by-step explanation:

45-6=39

7 0
3 years ago
Read 2 more answers
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