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Rufina [12.5K]
3 years ago
8

Help plis! Someone I need help with this plis

Mathematics
1 answer:
ipn [44]3 years ago
4 0

Answer:

I think the answer is B

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Explain whether the following given sets are closed under addition:
Ivan

Answer:

Step-by-step explanation:

a) Yes.

\forall\ a,b\ \in\ B,\ a+b\in B\ (since\ 0+0=0)

b) Yes

W=\{0,1,2,3,..,\}\ (whole\ numbers)\\\forall\ a,b\ \in\ 3W,\ a+b\in 3W\\since:\\a\ \in\ 3W \Longrightarrow\ \exists\ k_1\in W | a=3*k_1\\\\b\ \in\ 3W \Longrightarrow\ \exists\ k_2\in W | b=3*k_2\\\\a+b=3*k_1+3*k_2=3*(k_1+k_2) \in 3W\\

c) Yes

\forall n\ \in\ \mathbb{N}: \Longrightarrow\ n+1 \in\ \mathbb{N}\\

d) No

3\in V , 3+3=6\notin V\\

7 0
3 years ago
PLEASE HELP ASAP!!!!!
wariber [46]

the answer to this would be C I hope this helps :)

4 0
3 years ago
Will give brainliest!!! :) ​
Artist 52 [7]
The answer is 48 because the first one is multiplying by 4 the next is 5 the next is 6 the next is 7 and the last is 8
6 0
3 years ago
Read 2 more answers
For each set of three measures, determine if they can be angle measures of a triangle.
sp2606 [1]

The sum of the angles in the triangle must be equals to 180 degrees for it to be the angle measure of a triangle.

<h3>Angles in a triangle</h3>

The sum of angles in a triangle is equals to 180 degrees.

Therefore, adding up the three angles in a triangle must be equals to 180 degrees.

Hence,

42 + 34 + 56 = 132 degrees

This does not form a triangle.

35 + 80 + 65 = 180 degrees

This can be the angle measure of a triangle.

15 + 51 + 24 = 90 degrees

This cannot be the angle measure of a triangle.

18 + 42 + 120  = 180

This can be the angle measure of a triangle.

learn more on triangle angles here: brainly.com/question/15161714

#SPJ1

3 0
2 years ago
for a baseball team the ratio of wins and ties and losses is 4:3:1 if the team has won 12 games how many games have they lost ​
tamaranim1 [39]

Answer: 3 losses

Step-by-step explanation: The win to loss ratio is 4:1. Their losses are 1/4 of their wins. Multiply 12, their number of wins, by 1/4.

12 x 1/4 = 3

They have lost 3 games.

3 0
3 years ago
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