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Andrei [34K]
3 years ago
9

Please answer this correctly without making mistakes

Mathematics
2 answers:
zheka24 [161]3 years ago
4 0

Both are correct

I accidentally got rid of the other things so I now have to type 20 characters so i can actually answer it

ra1l [238]3 years ago
3 0
Ew gross i hate IXL....
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Three-fifths of the 30 days in june are sunny.how many days were sunny?
lara31 [8.8K]
3/5 x 30 days = 18 days were sunny.
4 0
3 years ago
Given the following sets:
hjlf
<h3>Answer:  10</h3>

===========================================================

Explanation:

Even though your teacher doesn't want you to list the items of the set, it helps to do so.

We'll be working with these two sets

A = {b, d, f, h, j, I, n, p, r, t}

C =  {d, h, I, p, t}

When we union them together, we combine the two sets together. Think of it like throwing all the letters in one bin rather than two bins.

A u C = {b, d, f, h, j, I, n, p, r, t,   d, h, I, p, t  }

The stuff that isn't bolded is set A, while the stuff that is bolded is set C

After we toss out the duplicates, we end up with this

A u C = {b, d, f, h, j, I, n, p, r, t}

But wait, that's just set A. Notice how everything in set C can be found in set A. This indicates set C is a subset of set A.

That's why all of the stuff in bold was tossed out (because they were duplicates of stuff already mentioned).

Once we determine what set A u C looks like, we count out the number of items in that set to determine the final answer.

There are 10 items in {b, d, f, h, j, I, n, p, r, t} which means 10 is the final answer.

----------------------------

An alternative method is to use the formula below

n(A u C) = n(A) + n(C) - n(A and C)

n(A u C) = 10 + 5 - 5

n(A u C) = 10

The notation n(A and C) counts how many items are found in both sets A and C at the same time. But as mentioned earlier, this is identical to just counting how many items are in set C. So we'll have n(C) cancel out with itself.

In short, n(A u C) = n(A) = 10

8 0
2 years ago
PLEASE HELP!!!
lianna [129]
What ???? How are we supposed to understand tht
8 0
2 years ago
Find the value of x.
UNO [17]

Answer:

x = 8

Step-by-step explanation:

Since you know that the line is 180 degrees in total, and there is a right angle, then you know . . .

180 = 90 + 40 + 6x + 2

Subtract 90 + 40 + 2 on both sides

48 = 6x

Divide by 6 on both sides.

x = 8

You have your answer.

Please mark for brainliest!! :D Thanks!

For more questions or information, comment below.

5 0
3 years ago
Write an explicit (function) rule for the sequence 10, 12, 14, 16,...
Alexeev081 [22]
Option d is the correct answer
4 0
3 years ago
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