The numbers that can be expressed in the form of a fraction are called rational numbers. While that numbers that cannot be expressed in the form of a fraction are called irrational numbers.


is an irrational number, it cannot be expressed in the form of a fraction.
Answer:
Option A.
Step-by-step explanation:
It is given that a sponsored link was delivered 100 times and 10 people clicked on it.
Number of impressions = 100
Number of clicks = 10
The formula for click-through-rate (CTR) is



The click-through-rate (CTR) would be 10%. Therefore, the correct option is A.
Answer:
x = 1/20 y^2
Step-by-step explanation:
This is a rightward opening (sideways ) parabola
Directrix = x = -5
Distance formula form point x,y to directrix and focus are equal:
(x - -5)^2 = (x-5)^2 + y^2
x^2 + 10x + 25 = x^2 - 10x + 25 + y^2
20x = y^2
x = 1/20 y^2
Answer:
243
Step-by-step explanation:
you just add