Perform the indicated operations and simplify...
%7D%7B%20x%5E%7B2%7D%20-1%7D%20%2B%20%5Cfrac%7B3%7D%7Bx%2B1%7D%20" id="TexFormula1" title=" \frac{1}{2x} + \frac{5x}{ x^{2} -1} + \frac{3}{x+1} " alt=" \frac{1}{2x} + \frac{5x}{ x^{2} -1} + \frac{3}{x+1} " align="absmiddle" class="latex-formula"> Explain please.
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Answer:
<h2>Question 13 : x = 62°</h2><h2>Question 14 : x = 2</h2>Step-by-step explanation:
Question 13
The diagram in question 13 is a triangle.
The sum of interior angles of a triangle is equal to 180°
To solve for x ;
Question 14
(: represents ratio or /)
x/9 = 18/81
Cross Multiply
81x = 18×9
81x = 162
Divide both sides of the equation by 81
81x/81 = 162/81
x = 2