2 years ago

If A c B and A N B= • then which of the following can be concluded about the sets A and B!

Mathematics

1 answer:

Sergio [31]2 years ago

6 0

Step-by-step explanation:

Set A is a subset of set B if all the elements of A are also the elements of Set B.. (common element)

The above set have 0 common elements so.. if there is no common element and are subsets then it means that there arent any elements in both the sets

so, the answer for the question would be "both the Sets A and B are the empty sets"

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Step-by-step explanation:

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What is the solution of -x+4>2

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3 years ago

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Advocard [28]

There are 47 dimes and 23 quarters.

Step-by-step explanation:

Total amount = $10.45 = 10.45*100 = 1045 cents

Total coins = 70

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1 quarter = 25 cents

Let,

Dimes = x

Quarters = y

According to given statement;

x+y=70 Eqn 1

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Multiplying Eqn 1 by 10;

$10(x+y=70)\\10x+10y=700\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(10x+25y)-(10x+10y)=1045-700\\10x+25y-10x-10y=345\\15y=345$

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Putting y=23 in Eqn 1

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There are 47 dimes and 23 quarters.

Keywords: linear equations, subtraction

Learn more about linear equations at:

#LearnwithBrainly

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