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Alex777 [14]
3 years ago
10

Need help understanding this

Mathematics
1 answer:
N76 [4]3 years ago
3 0
DONT GO TO LINK ITS DANGEROUS ⚠️
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Sets L and J are defined as follows.
wlad13 [49]

Answer:

The second one:

L∪J={i,j,k,l,m,n,o}

Step-by-step explanation:

The union is the elements listed in either set.

So since l,m,n, and o are elements of set L, they will also be elements of whatever it is "unioned" with.

Since i,j,k,l and m are elements of set J, they will also be elements of whatever it is "unioned" with.

When you write the union, just be sure to include each element that occurs in either set once.

So the union of L and J is {i,j,k,l,m,n,o}.

The answer is the second one.

The intersection would actually be that upside down U thing, the ∩ symbol. The intersection of two sets is a list of elements that both sets include.  So here the intersection would just consist of the elements l amd m.

8 0
3 years ago
Read 2 more answers
Rosalinda is drawing a picture for her mom. She has a box of
trasher [3.6K]

Answer:

4 crayons

Step-by-step explanation:

The box has 8 crayons, 8 times 1/2 is 4. The other way is dividing. 8/2 is also 4.

She will use 4 crayons.

8 0
3 years ago
Roger the park ranger was standing in a look out tower that was 200 ft tall. Looks down, sees a fire. Angle of depression is 7 d
Ainat [17]

Answer:

approx. 24.6 ft

Step-by-step explanation:

x=the distance of the fire from the base of the tower

200ft=the height of the tower

7 degrees=the angle of depression

Using these values you can draw a diagram that highlights that you need to use trig. to work out the answer.

Using Tan:

Tan 7=x/200 ft

multiply both sides by 200 ft

200*tan 7=24.55691218

approx. 24.6 ft

8 0
3 years ago
What is the domain of the function 1x)= 2
Gnesinka [82]

Answer:

According to me, the answer is

Step-by-step explanation:

all real numbers

6 0
3 years ago
Can someone help pls
RSB [31]

Answer:

<u>In the middle of winter</u>

<u>A farm</u>

Step-by-step explanation:

Setting: The place or type of surroundings where something is positioned or where an event takes place.

6 0
3 years ago
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