Use vertical pipes around the value.
Example:
abs(-4) = |-4| = 4
Answer:
{x\ x e U and x has a negative square root} is an empty set.
Step-by-step explanation:
If x e U, x is a negative real number, and they don't have a square root (they don't have even roots). Their square roots are complex numbers, not real ones.
Ok so 117.45 is total then u subtract 117.45 by 22.95 equals 94.5 and u divide by 3 so u get 31.5 and add the unit rate so the answer is $31.50
Answer: 35
Step-by-step explanation: PEMDAS n-6(3)
44-9