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6 Nov 2019

need help solving for x. I want to know how did they get theanswer. Can you show me step by step?


(4.34E-2 + x)/(0.495 - 2x)= 0.134


x = 1.82E-2

I need this for a chem homework, thanks.

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Deanna Hettinger
Deanna HettingerLv2
9 Sep 2019

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I ALREADY KNOW X=0.189.


BUT, I AM STUMPED AS TO WHERE TO GO FROM HERE...PLEASE SHOW ME ASTEP BY STEP. PLEASE ASSUME I DON'T KNOW HOW TO DO THE NEXTSTEP.


Here was the original equation: 54.3=(2x)^2/(0.240-x)^2.

I understand you need to take the square root of both sides toget rid of the squares. The square root of 54.3=7.369.


I am drawing a blank! please help!


(square root symbol) 54.3= 2x/0.240-x


x=0.189.

BUUUUUUT......

How do I get x? Do I crossmultiply?

Can someone please help me with this problem. I like to know howto do it step by step, I want to be prepared for my exam.



Let f(x) = 2x+1, g(x) = 4-x and h(x) =log2(x) - 1

(You must simplify each function in parts (a) and (b) to receivefull credit.)

(a) Find (fg) (x).

(b) Find (h of g) (x). [ It was a dot in between h and g.Hopefully I did that correctly.]

(c) Find h -1 (x).

This is part of a College Algebra class. Please let me know ifyou have any other quesstions. Please show me how you got theanswer.

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