D. Because a number is irrational if it doesn't terminate or if it repeats over and over
Answer:
2.
Step-by-step explanation:
The third side is 9 cm long
Let represent one of the equal sides. Then the` other side will be .
Adding all the length of the sides should give 23. Thus,
This implies that,
We group like terms and simplify to obtain.
Divide through by 4 to get
Hence the length of the other side is
Polyhedron, by definition<span>, is formed by intersecting planes, so each part of its surface is either a vertex or an edge, or a flat piece of a plane.</span>
The volume formula of a cube is <em>V=s^3</em>
V= 8^3
V= 512 ft^3
The answer is 512 ft^3.
Hope this helps!