Estimating the number of internet users in Europe by multiplying the ratio with the whole internet users
users in Europe = 9/40 × 2.1 billion
users in Europe = 9/40 × 2,100 million
users in Europe = (9 × 2,100)/40 million
users in Europe = 18,900/40 million
users in Europe = 472.5 million
The number of internet users in Europe is approximately 472.5 million at this time
Answer:
21
Step-by-step explanation:
I have done this question before.
Answer:
The spread of data is A. 21 to 29 years.
The given quadratic equation will not have any real solution for c<-9/4.
The given quadratic equation is:

<h3>What is a quadratic equation?</h3>
Any equation of the form
is called a quadratic equation with a≠0.
In order to have no real solution, the discriminant of a quadratic equation will be less than zero.




For
the given quadratic equation will have no real solutions.
Hence, the given quadratic equation will not have any real solution for c<-9/4.
To get more about quadratic equations visit:
brainly.com/question/1214333
I'm sure the answer is x=8