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Molodets [167]
3 years ago
15

Are integers closed under addition? Justify your answer.

Mathematics
2 answers:
Degger [83]3 years ago
8 0

Answer:

The integers are "closed" under addition, multiplication and subtraction.

Step-by-step explanation:

But can not be used doing division or A fraction involving two integers.

gizmo_the_mogwai [7]3 years ago
4 0

Answer:

The set of integers is closed under addition, subtraction, and multiplication because when I add, subtract, or multiply any integers, the result is always an integer.

Step-by-step explanation:

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The bike rental company has determined that they will charge based on the nearest half hour. If Mikala rented the bike for 5.5 h
slavikrds [6]

Answer:

Step-by-step explanation:

Figuring out based on $10.00 per hour rental fee.

you would take the number of full hours and multiply by the fee.

5 hours x $10 = $50

for the leftover .5 hours (which is half an hour) you would take the $10 hourly fee and divide it in half.

$10 ÷ 2 = $5 per half hour

$5 x 1 (half hour) = $5

Now add up the total for the 5 hours and the total for the half hour and that is your total cost.

5 0
3 years ago
Read 2 more answers
An archaeologist finds ceramic bowl that is about 400,000 years old. He finds a different artifact that is 1/100 times as old as
Juli2301 [7.4K]

The ceramic bowl is 396,000 years older than the other artifact.

Age of ceramic bowl = 400,000

Other artifact = 1/100 times the age of ceramic bowl

Therefore, the age of the other artifact will be :

400,000 × (1/100) = 4000 years

The difference between the age of the ceramic bowl and the other artifact :

Age of ceramic bowl - age of other artifact

400000 - 4000 = 396,000

Hence, the ceramic bowl is 396,000 years older than the other artifact.

Learn more : brainly.com/question/18796573

5 0
3 years ago
Pls answer!! I’ll mark you brainlist if it’s correct!
alex41 [277]

Answer:

140 - 6(8)

140-48

140-48= 92

92 is your final answer.

6 0
3 years ago
4 times the sum of a number and -3 is 4 more than twice the number. Write and solve an equation to find the number.
vampirchik [111]

Answer:

The number is 8.

Step-by-step explanation:

4(x+(-3))-4=2x

4(x-3)-4=2x

4x-12-4=2x

4x-2x-16=0

2x-16=0

2x=0+16

2x=16

x=16/2

x=8

3 0
3 years ago
In a box containing a dozen eggs ,3 eggs are rotten .What fraction of eggs are not rotten?​
Minchanka [31]

Answer:

3/4 of the eggs are not rotten.

Step-by-step explanation:

a dozen = 12 eggs

3+3+3+3 = 12

3x4 = 12

1/4 = 3/12

2/4 = 6/12

3/4 = 9/12   <--- |

4/4 = 12/12        |

12-3 = 9  ---------|

SO 3/4 eggs are not rotten

4 0
3 years ago
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