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Algebra 12 Online
OpenStudy (poorteli):

4/3s-3

jhonyy9 (jhonyy9):

please use parentheses bc. there not is clearly what is exactly the denominator or numerator of fractions

OpenStudy (poorteli):

(4\[(4/3s)(-3)<(s+2/3)(-1/3)\]

OpenStudy (kevin):

It will be more easy if you just upload the picture :D

OpenStudy (kevin):

Ok I try

OpenStudy (poorteli):

Here is an attachment in Microsoft word.

OpenStudy (kimsan):

(4/3s)-3 < (s+2/3) -1/3 add 1/3 to each side (5/3s) -3 < s+ 2/3 Subtract s from both sides (2/3s) -3 < 2/3 Add 3 to both sides 2/3s < 11/3 Then multiply by the reciprocal s< 11/2

OpenStudy (kimsan):

1/3s** I'm sorry, I forgot to add the s to the 1/3

OpenStudy (kevin):

This is very long answer

OpenStudy (kevin):

\[\frac{ 4 }{ 3 }s - 3 < s + \frac{ 2 }{ 3 } - \frac{ 1 }{ 3s }\] equate the denominator on the right side \[\frac{ 4 }{ 3 }s < \frac{ 3s^2 +2s -1 }{ 3s }\] multiply both of side with 3s \[4s^2 - 9s < 3s^2 + 2s - 1\] simplify the equation, \[s^2-11s+1 < 0\] Assume, it's \[s^2-11s+1 = 0\] We can find s value using abc formula \[s = \frac{ -(-11)\pm \sqrt{-11^2-4(1)(1)} }{ 2(1) }\] we will get \[s =\frac{ 11 }{ 2 }\pm \frac{ 3 }{ 2 }\sqrt{13}\]

OpenStudy (kevin):

Check its interval and we will get the final answer \[\frac{ 11 }{ 3 }-\frac{ 3 }{ 2 } \sqrt{13}< s < \frac{ 11 }{ 3 }+\frac{ 3 }{ 2 } \sqrt{13}\]

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