Answer:
No, the radicands are not added.
Step-by-step explanation:
When adding or subtracting like radicals, we treat them as we treat algebraic expressions:
4 x + x - 2 x= 3 x
In the sense that we associate the "x" above with the radical expression. So for example:
The radicals remain the same, and we treat them as algebraic expressions, just combining adequately the multiplicative factors the radicals have.
Answer:
72 yd^2
Step-by-step explanation:
Separate the shape into a square and a rectangle. Figure out the measurements of each shape then add the total.
Use Pythagorean theorem.
15^2+20^2=c^2
225+400=c^2
√655=c
c=25
Answer: D.) 25 m