Answer:
x = 8√13 ≈ 28.8444
Step-by-step explanation:
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[tex]\dfrac{24\sqrt{468}}{18}=\dfrac{4\sqrt{6^2\cdot 13}}{3}\\\\=\dfrac{4\cdot 6\sqrt{13}}{3}=8\sqrt{13}[/tex]
Your calculator can tell you the value of this. It is approximately 28.8444.