Answer:
B) 2\ sq.rt{3}units
Step-by-step explanation:
using Pythagoras theorem
a^2+ b^2=c^2
a^2+ 3^2=(√21)^2
a^2+9= 21
a^2=21-9
a^2=12
a=√12
a=2√3
We can split into 2 different cubiods.
Than, add the two volumes to get 180 + 60 = 240cm^3
Answer:
1/2
Step-by-step explanation:
The decimal 0.5 is equal to the fraction 1/2.
it can also be, 0.5 represent the fraction 5/10.
Answer:
z=3.3 repeating
Step-by-step explanation:
Move all terms that don't contain z to the right side and solve.
Answer:
the right answer would be 13