Trevor is tiling his bathroom floor, which has an area that is represented as 120r3 square inches. Each tile has an area of sqrt(16r^9). The total number of tiles used can be represented by the expression below.

Question

anonymous · Answer

@reemii @robz8 @Jhannybean ???

jhannybean · Answer

@jim_thompson5910 :)

jhannybean · Answer

|dw:1370130849289:dw|

jim_thompson5910 · Answer

Total Area = (# of tiles)*(Area per tile)

120r^3 = (x)*(sqrt(16r^9))

solve for x and rationalize the denominator if necessary

jhannybean · Answer

$$\large 120r^3= x*\sqrt{16r^9}$$ simplify $$\large \sqrt{16r^9} \to \sqrt{16} * \sqrt{r^9}$$ first... which is $$\large \sqrt{16} = \sqrt{2*2*2*2}$$ and $$\large \sqrt{r^9} = r^{9/2}$$

anonymous · Answer

I'm on the final question of my Apex math. I need help. Thank you.

jhannybean · Answer

ok? But this isn't even your question to be posting that on.

jhannybean · Answer

After you simplify that, @kyleguitarplayer  we can proceed