Investment: Suppose that you and 3 friends bought equal shares of an investment for a total of $20,000 and then sold it later fo
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Answer:
x = 5
Step-by-step explanation:
Applying Pythagoras' identity to the right triangle
x² + 12² = 13²
x² + 144 = 169 ( subtract 144 from both sides )
x² = 25 ( take the square root of both sides )
x = = 5