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question bout math

if a question says "this box has a volume of 12x2y2 (the 2s after the 12 are exponents, can't do it on basil) what is the length. so h=2x w=2y. would the length be 3xy?
I'm just confused about the way they wrote it with all of the x and y.... thanks.

November 17, 2013

7 Comments • Newest first

LordDuckie

^ I was referring to which terms the squares were applied to

Reply November 18, 2013
Nickydoodle

ah k thanks everyone! and @above I did specify that it was volume btw...

Reply November 17, 2013
LordDuckie

I'm going to assume you mean Volume (V) = (12x^2)(y^2)

Given that h=2x and w=2y, you have

V = (12x^2)(y^2) = lwh = l(2y)(2x)

Solving for l gives you l = 3xy, so in this case, you would be correct.

Just note that the way I wrote it implies that the square is only applied to the x and the y, not to the 12.

Reply November 17, 2013
razormana

We need the full question, because if the question just said.
The volume of a box is 12(x^2)(y^2) find the Length.
you could have multiple different answers.
E.g.
L=12, H=x^2, W=y^2
L=3xy, H=2x, W=2y

but if it did specify, H=2x, W=2y then L= 3xy

Reply November 17, 2013
Ecliptic

[quote=Nickydoodle]the question said 12^2y^2[/quote]
Take a picture, it would be much easier.

Reply November 17, 2013
Nickydoodle

the question said 12^2y^2

Reply November 17, 2013
djhfreak

Just to clear it up, the question reads "This box has a volume of (12x^2) times (y^2)"? Or is it literally "12x^2y^2"?

Reply November 17, 2013