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Stells [14]
1 year ago
12

Is the set of integers closed under division? Explain why or why not.

Mathematics
1 answer:
MrMuchimi1 year ago
5 0

The set of integers is not closed under the operation of division because when an integer is divided by another, the results are not limited to only integers i.e. zero and decimals are possibilities

<h3>How to determine the true statement?</h3>

Integers are numbers without decimal points

When integers are divided, the possible results are:

  • Zero
  • Decimal
  • Integers

The decimal and the zero possibilities imply that the set of integers is not closed under the operation of division

This is so because when an integer is divided by another, the results are not limited to only integers i.e. zero and decimals are possibilities

Read more about sets at:

brainly.com/question/1563195

#SPJ1

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serg [7]

Answer:

c. 3 / 13

d. 2 / 13

Step-by-step explanation:

c.

A deck of cards has 52 cards. There are cards of 4 suits- Spades, Hearts, Diamonds and Clubs.

So, there are 52/4= 13 cards of each suit.

Among these 13 cards, there are 3 picture cards or face cards as they are called. These are the Jack, Queen and King cards.

So, the number of total picture cards = 4*3 = 12

the number of cards are 52

theoretical probability formula: P =  favorable events/  possible events

P = 12 / 52

P = 3 / 13

d.

there are four aces and four sevens in the deck

so favorable events = 4 + 4 = 8

possible eventas = 52

P = 8 / 52

P = 2 / 13

4 0
3 years ago
Suppose an electronics manufacturer knows from previous data that 2% of
harkovskaia [24]

Answer:

B.) This is not a binomial experiment, because the number of trials is not fixed.

Step-by-step explanation:

For a certain experiment to be classed as a binomial, it has to meet some criteria ;

Which include ;

1.) The trials should be independent.

11.) Each trial should be classifiable into one of success of failure.

111). There is a fixed mean probability for success and failure

IV) There is a fixed number of trials, in experiment described above, the number of trials isn't fixed, it is variable, as the trial will continue until a defective item is obtained.

3 0
3 years ago
Please help I been waiting for hours and I need to find out how to simplify complex fractions.
schepotkina [342]

Answer:

Method 1:

Find the Least Common Denominator (LCD) of all the denominators in the complex fractions.

Multiply this LCD to the numerator and denominator of the complex fraction.

Simplify, if necessary.

Method 2:

Create a single fraction in the numerator and denominator.

Apply the division rule of fractions by multiplying the numerator by the reciprocal or inverse of the denominator.

Simplify, if necessary.

6 0
2 years ago
Please help ♡♡♡♡♡♡♡♡​
tekilochka [14]

Answer:

26

Step-by-step explanation:

Complementary angles add to 90 degrees

a+b = 90

64+b = 90

Subtract 64 from each side

64-64 +b = 90-64

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7 0
3 years ago
Read 2 more answers
8/9+2/3 in simplest form​
svetlana [45]

Answer: 14/9

Step-by-step explanation:

multiple forms of simplfied answers.

Decimal: 1.5 (bar notation above 5)

Mixed Number: 1 5/9

4 0
3 years ago
Read 2 more answers
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