Answer: If a number is rational, it can be represented as a simple fraction, it can be written as a terminating decimal, and a repeating decimal.
If a number is irrational, it cannot be represented as a simple fraction, it cannot be written as a terminating decimal, and not as a repeating decimal. It never ends, never repeats, just like the constant pi.
Step-by-step explanation:
So if a number is rational, it can be represented as a simple fraction, it can be written as a terminating decimal, and a repeating decimal.
If a number is irrational, it cannot be represented as a simple fraction, it cannot be written as a terminating decimal, and not as a repeating decimal. It never ends, never repeats, just like the constant pi.
The number of people in the auditorium can be less than or equal to 420 so let p represent the number of people
The inequality is p≤420
1,2 and 5 is the answers I think
4/5+18/x=8
18/x=8-4/5
18/x=36/5
90=36x
x=5/2
D
You just add the number of students in 11+ so that would be 5+2+6=13
Hope this helps