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ss7ja [257]
3 years ago
6

An entity with two multivalued attributes will be mapped as how many relations

Mathematics
1 answer:
grigory [225]3 years ago
5 0
There are so many relationships between the original entity and new relation. 
The relation mapped from an entity involved in a 1:1 unary relationship contains a foreign key that correspond to its own primary key. 1 to one foreign key will be unique.
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•Let x represent the number of horses •the number of goats is 5 less than the number of horses •the total number of horses and g
Nesterboy [21]

Answer: x=13

Step-by-step explanation:  

(x-5) + x = 21  given

2x-5=21          combined like terms

2x=26             addition property of equality

x=13                 division property of equality

8 0
3 years ago
What is the difference in minutes of median
REY [17]

<h2>Answer:</h2>

The answer is 25 minutes

<h2>Step-by-step explanation:</h2>

As we see the median time given in minutes before the installation was 53 minutes and after the installation it became 28 so by taking the difference which is 53 - 28 gives us 25 minutes.

8 0
3 years ago
Match each area to its corresponding radius or diameter of the circle.(All areas are approximate.) )
MA_775_DIABLO [31]

Answer:

<u>Radius: 12 units </u>

  • Area: πr² = 3.14*12² = 452.16 square units

<u>Diameter: 16.8 units</u>

  • Area: πd²/4 = 3.14*16.8²/4 = 221.5584 square units

<u>Radius: 3.4 units</u>

  • Area: πr² = 3.14*3.4² = 452.16 square units  

<u>Diameter: 10 units</u>

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5 0
2 years ago
Read 2 more answers
Multiple Choice: Choose the correct answer for questions 1 and 2.
pickupchik [31]

Answer:

The correct answer is:

C. Trisha is shorter than 75% of girls aged 16 to 18.

Step-by-step explanation:

When a dataset is divided into four equal parts, the first part is called the lower quartile. The data is usually sorted in ascending order before finding quartiles.

The lower quartile contains 25% of the whole data. The values in lower quartile are are less than 75% of the values.

If Trisha's height is in lower quartile that means her height is less than the girls in middle and higher quartile.

Hence,

The correct answer is:

C. Trisha is shorter than 75% of girls aged 16 to 18.

4 0
3 years ago
Simplest radical form of 5√16​
boyakko [2]
5 square root 16 = 20
6 0
3 years ago
Read 2 more answers
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