Step-by-step explanation:
sqrt of 81 is 9 so rational
Sqrt of 89 is irrational
Sqrt of 121 is 11 so rational
Sqrt of 131 is irrational.
Start with an equation.
Nine less... so -9
3 times a number = 3x
Greater than 40 is >40
So put together is 3x-9>40
When solving I imaging the greater than sign as an equal sign. Less confusing.
3x-9=40
3x=49
x>49/3
Answer:
2
Step-by-step explanation:
The answer is the second explanation I think
Answer:
-6.25
Step-by-step explanation:
6.25 - 9= -2.75.
-2.75-3.5= -6.25
