Question

Ce numar este cu 8,5% mai mare decit diferenta numerelor 8√75 si 5√48

Answer 1

    
[tex]8 \sqrt{75}-5 \sqrt{48}= \\ =8 \sqrt{25 \times 3}-5 \sqrt{16 \times 3}= \\ =8 \times 5\sqrt{3}-5 \times 4 \sqrt{3}= \\ =40\sqrt{3}-20 \sqrt{3}= 20 \sqrt{3} \\ 20 \sqrt{3}+ 8,5\% \times 20 \sqrt{3} = 20 \sqrt{3} \times 1,085 = \boxed{21,7 \times \sqrt{3}}[/tex]