A poll was taken outside three voting precincts. Voters were asked who they voted for in an election. Cramer Denton Garcia Lewis
2 answers:
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<em>Greetings from Brasil...</em>
a)
Let's just use Pythagoras
L² = X² + (X - 7)²
<h3>L = √(2X² - 14X + 49)</h3><h3 />b)
If L = 13, then what is the value of X ???
L² = 2X² - 14X + 49
2X² - 14X - 120 = 0
X = 12 or X = - 5
<em>(The distance cannot be negative, so X = 12)</em>
