# Posts by Devki

Total # Posts: 5

**Mathematics**

Simplify: (x+4)/x-4)(1/x+4) (x-4)(1) Answer: 1/x-4 is that right?

*August 7, 2008*

**Mathematics**

Simplify this problem: Is this right? (mn^2/3)(4/mn) [(mn)(mn)/3] * [4/mn] (mn/3)(4) ANSWER: 4mn/3

*August 7, 2008*

**Mathematics**

Simplify this problem: Is this right? (mn^2/3)(4/mn) [(mn)(mn)/3] * [4/mn] (mn/3)(4) ANSWER: 4mn/3

*August 7, 2008*

**Mathematics**

Thank you! Is this right? (mn^2/3)(4/mn) [(mn)(mn)/3] * [4/mn] (mn/3)(4) ANSWER: 4mn/3

*August 7, 2008*

**Mathematics**

Hello, I am new to this website. I havea summer assignment on Algebra II. I need help on these problems. I find I be not able to understand them. Simplify: 1)(mn^2/3)(4/mn) 2)(x+4/x-4)(1/x+4) 3)(x^2-16/2x+8)(x+4/x^2+8x+16) 4)(n/4)(n/m) 5)(3a^3-27a/2a^2+13a-7)(9a^2/4a^2-1)

*August 7, 2008*

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