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Given that group of 12 years old children. For a group of 12 years old children,   CA =12 years  Putting the value of IQ, we obtain  Thus, the range of mental age of the group  of 12 years old children is         
Let  x  litres of water is required to be added. Total mixture = (x+1125) litres  It is evident that amount of acid contained in the resulting mixture is 45% of 1125 litres. The resulting mixture contain  more than 25 % but less than 30%  acid.                     and                            and                                                                                                  ...
Let x litres of 2% boric acid solution is required to be added. Total mixture = (x+640) litres  The resulting mixture is to be more than 4% but less than 6% boric acid.                     and                            and                                                                                                                                                                             ...
Since the solution is to be kept between 68° F and 77° F.   Putting the value of   , we have   the range in temperature in degree Celsius (C) is between  20 to 25.
Given :      The solution graphically on the number line is as shown :  
Given :            The solution graphically on the number line is as shown :  
Given :            The solution graphically on the number line is as shown :    
Given :            The solution graphically on the number line is as shown :    
Given the linear inequality   The solution set  of the given inequality is  
Given the inequality      Solution set is 
Given The inequality     The solution set is 
Given :     Thus, all the real numbers greater than equal to 2 and less than equal to 3 are solutions to this inequality. Solution set is   
Graphical representation of    is given in graph below. For   The  solution to this inequality is region below the  line  including points on this line because  points on line also satisfy the inequality.  For , The  solution to this inequality is region above the line   including points on this line because  points on line also satisfy the inequality.  For , The  solution to this inequality...
Graphical representation of    is given in graph below. For   The  solution to this inequality is region below the  line  including points on this line because points on the line also satisfy the inequality.  For , The  solution to this inequality is region below the line   including points on this line because points on the line also satisfy the inequality.  For , The  solution to this...
Graphical representation of    is given in graph below. For   The  solution to this inequality is region below the  line  including points on this line because points on the line also satisfy the inequality.  For , The  solution to this inequality is region above the line   including points on this line because  points on the line also satisfy the inequality.  For , The  solution to this...
Graphical representation of    is given in graph below. For  , The  solution to this inequality is region above the  line  including points on this line because  points on line also satisfy the inequality.  For , The  solution to this inequality is region above the line   including points on this line because  points on line also satisfy the inequality. For  The  solution to this inequality is...
Graphical representation of   and    is given in graph below. For  , The  solution to this inequality is region above the line  including points on this line because  points on line also satisfy the inequality.  For , The  solution to this inequality is region below the line   including points on this line because  points on line also satisfy the inequality. For  The  solution to this...
Graphical representation of    is given in graph below. For  , The  solution to this inequality is region below the  line  including points on this line because  points on line also satisfy the inequality.  For , The  solution to this inequality is region below the line   including points on this line because  points on line also satisfy the inequality. For  The  solution to this inequality is...
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