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3 years ago

For each entity, select the attribute that could be the unique identifier of each entity.

Computers and Technology

1 answer:

Alika [10]3 years ago

3 0

Answer:

"student ID, number and title" is the correct answer for the above question.

Explanation:

The primary key is used to read the data of a table. It can not be duplicated or null for any records.
The "student ID" is used to identify the data of the "student" entity. It is because the "student ID" can not be duplicated or null for any records. It is because every student has a unique "student ID".
The "number" is used to identify the data of the "Locker" entity. It is because the "number" can not be null or duplicate for any records. It is because every locker has a unique "number".
The "title" is used to identify the data of the "Movie" entity. It is because the "title" can not be Null or duplicate for any records. It is because every movie has a unique "title".

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Answer:

harris_poll_ranking = int(input("Enter team's Harris Poll ranking [1 - 2,850]: "))

coaches_poll_ranking = int(input("Enter team's Coaches Poll ranking [1 - 1,475]: "))

computer_ranking = float(input("Enter team's computer ranking [0 - 1]: "))

harris_poll_score = harris_poll_ranking / 2850

coaches_poll_score = coaches_poll_ranking / 1475

bcs_score = harris_poll_score / 3 + coaches_poll_score / 3 + computer_ranking / 3

print(bcs_score)

Explanation:

*The code is in Python.

Ask the user to enter the harris_poll_ranking as int, coaches_poll_ranking as int and computer_ranking as float

Calculate the harris_poll_score, divide the harris_poll_ranking by 2850

Calculate the coaches_poll_score, divide the coaches_poll_ranking by 1475

Calculate the bcs_score, harris_poll_score, coaches_poll_score and computer_ranking by 3 and sum them

Print the bcs_score

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