Homework Help: pre-algebra

Posted by shiela on Wednesday, September 28, 2011 at 7:13pm.

What is x?

9.6= (0.128)^2 / (0.110) (x)

the answer is 0.249 but i need to how and what steps do i have to take in order to get that.

pls help I need to know this for my exam =/

pre-algebra - Steve, Thursday, September 29, 2011 at 12:15am
Multiply by .110 to get rid of the fraction:
9.6*0.110 = (0.128)^2 * x

Divide by .128^2 to leave x all by itself:
9.6*0.110/(0.128)^2 = x

Or,

Evaluate 0.128^2/.110 = 0.149, leaving

9.6 = 0.149x

Divide by .149, leaving x all alone:

9.6/0.149 = x

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