A statement which best illustrates the relationship between entities and attributes is: B) the entity CUSTOMER with the attribute PURCHASE.
<h3>What is an entity relationship?</h3>
An entity relationship can be defined as a data model with the highest level of abstraction and it is typically designed and develop to avail designers or programmers (end users) an ability to use a graphical tool to examine structures rather than describe them by using text.
<h3>What is an attribute?</h3>
In Computer technology, an attribute can be defined as a unique characteristic or quality which primarily describes an entity in a software program.
In this context, we can infer and logically deduce that a statement which best illustrates or shows the relationship between entities and attributes is the entity "CUSTOMER" with the attribute "PURCHASE."
Read more on entity relationship here: brainly.com/question/14530873
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Complete Question:
Which of the following best illustrates the relationship between entities and attributes?
A)the entity CUSTOMER with the attribute PRODUCT
B)the entity CUSTOMER with the attribute PURCHASE
C)the entity PRODUCT with the attribute PURCHASE
D)the entity product with the attribute CUSTOMER
The Winter Olympics are held every 4 years.
Answer:
Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood
Exactly 80 liters of 20% are needed.
Let quantity of 20% alcohol solution be added : x liters
Here is the work:
> x*20% + 40 * 50% = (x+40) * 30%
> x*0.2 + 40*0.5 = (x+40)*0.3 ..(converting percentages into decimal)
> 0.2x + 20 = 0.3x + 12
> 20-12 = 0.3x - 0.2x (Rearranging similar terms)
> 8 = 0.1 x
Hence x = 8/0.1
Ans 80 Litres
