Answer:
The statement can be expressed as
There are two different students in your class who have visited the same websites.
Step-by-step explanation:
Given that
- W(x, y) mean that student x has visited website y.
- The domain of x consists of all students in your school
- The domain of y consists of all website.
It would help to know the meaning of the symbols used, this will help understand the statement better.
- ∧ means conjuction
- ∃ means 'there exists'
- ∀ means 'for all'
- ≠ means 'different from'
- ↔ means 'if and only if'
The statement
∃x∃y∀z((x ≠ y) ∧ (W(x, z) ↔ W(y, z)))
can be expressed as:
There are two different students in your class who have visited the same websites.
To simplify 8/21 you find a factor that will go into each number. This problem cannot be simplified as a fraction but you can turn it into a decimal. To turn it into a decimal you will divide 8 by 21. The fraction in decimal form is <span>0.38095238095.</span>
Circular based pyramid I believe
Answer:
-1/12
Step-by-step explanation:
slope=(-2-(-1))/(6-(-6))
-1/12