We need more info or a pic
No.
If a rational number can be an integer, x and y could be 5.5 and .5, or something that adds up to (number).0. This means, if the two non-rational numbers add up, they could be irrational, but the result isn't.
Answer:
2.99 cm
Step-by-step explanation:
V=
(pi)(r^3)=113.04cm^3
113.04/
(pi) = r^3 = 26.99
r=
= 2.99cm