You can cross multiply
-11(-9) x *( 1)
99=1x
99=x
the answer is 99=x
Answer:
Step-by-step explanation:
We can use the pascal triangle to find the coefficients of the expasion of the cube. It holds that
The area of the room must equal the sum of the areas of the tiles...
20*30=n(2*3)
600=6n
n=100
So 100 tiles are needed.
The correct answer is 523.33 mm^3
//p.s I already took the test and this was the correct answer//
hope I helped :)