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IgorC [24]
3 years ago
13

What is 4+5????????????????

Mathematics
2 answers:
eimsori [14]3 years ago
6 0

Answer:

9

Step-by-step explanation:

4+5=9

olga55 [171]3 years ago
3 0

Answer:

9

Step-by-step explanation:

4 then add 5 lol

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What is a -210 Divided by 14
exis [7]

Answer:

-15

Step-by-step explanation:

Well you cleary just divide the numbers But if you dont belive it use a caculator for this

8 0
2 years ago
Read 2 more answers
PLEASE HELP PLEASE IM TIMED!!!
inysia [295]

Answer:

9316000000000

Simply move the decimal 12 places to the left.

If this helped please mark as brainiest <3

8 0
2 years ago
If set A contains seven distinct numbers and set B contains three distinct letters, how many elements are in (A U B)?​
Ira Lisetskai [31]
<h3>Answer:  10 elements</h3>

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

Explanation:

Let's use an example to see why this is

A = {1,2,3,4,5,6,7}

B = {x,y,z}

A U B = {1,2,3,4,5,6,7, x,y,z}

We simply glue the two sets together to form one single big set. Because sets A and B have no overlap, this means we dont have to worry about tossing out duplicates (since there aren't any).

There are 7 items in set A, and 3 items in set B.

Therefore, we have 7+3 = <u>10 items in set A U B</u>

The symbol U refers to the set union operator.

If you wanted to make a Venn Diagram, then you'd have two circles overlapping. In circle A will be the numbers 1 through 7. These values are not in the overlapped region. For circle B, the letters x,y,z are inside but not in the overlapped region. The overlapped region remains empty.

The set A U B talks about the collection of everything mentioned. It's the set of stuff in set A or in set B or in both sets.

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

If you want a formula to write down on a notecard or reference sheet, then it would be

n(A U B) = n(A)+n(B)

where A and B are mutually exclusive, aka disjoint. This means they have nothing in the overlapped region

4 0
2 years ago
What is the value of this expression when a = 3 and b = negative 2? (StartFraction 3 a Superscript negative 2 Baseline b Supersc
erastova [34]

Answer:

625

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Each friend received 5/4 of a pound of berries, how many friends are sharing berries?​
Rudiy27

Answer:

2

Step-by-step explanation:

If 5 friends are sharing the berries, how many pounds of berries does each friend receive? Is the answer to 3/4 divided by 2/5 greater than or less than 1.

8 0
2 years ago
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