MATHEMATICS HIGH SCHOOL

"2.3 U is the set of cities in a country.A is the set of cities that have a zoo.
B is the set of cities that have a symphony.
Describe A ∩ B′ in words."

Answers

Answer 1
Answer: A ∩ B is the subset of cities that have both a zoo and a symphony
Answer 2
Answer:

Final answer:

'A ∩ B′' in a set theory context represents the set of cities that have a zoo and do not have a symphony.

Explanation:

In the field of mathematics, particularly in set theory, the notation A ∩ B′ refers to the intersection of two sets. The 'A' represents the set of cities with a zoo, and 'B' is the set of cities with a symphony. The symbol '∩' stands for intersection and 'B′' stands for the complement of B, or in other words, cities that do not have a symphony.

Therefore, A ∩ B′ represents the set of cities that have a zoo and do not have a symphony. This would be the common elements of these two particular sets - cities with a zoo (set A) and cities without a symphony (complement of set B).

Learn more about Set Theory here:

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Answers

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Answers

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64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44

Answers

Answer=Sarah is 60 years old

If 64 is 4 times the difference between sarah's age and 44, then '64/4' would be the difference between sarah's ages and 44.


difference=64/4=16

The difference between Sarah's age and 44 is 16.

So Sarah is either '44+16' years old, or '44-16' years old

a=44+16=60 years old

a=44-16=28 years old

Since the problem says Sarah is older than 44, she must be 60 years old

Answer:

60 yrs old

Step-by-step explanation:

-36-(-40)
Please I need this ASAP

Answers

Answer:

4

Step-by-step explanation:

  1. -36 - (-40) = -36 + 40
  2. -36 + 40 = 4

I hope this helps!

Answer:

4

Step-by-step explanation:

because -36+ 40 =4 you take the subtraction and give it to the 40
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