Question

va rog ajutatima. ex 22

Answer 1

[tex]\frac{x}{5} = \frac{y}{4} =k=\ \textgreater \ x=5k,y=4k \\ 16k ^{2} +25 k^{2} =164 \\ 41k ^{2} =164=\ \textgreater \ k^{2} =4=\ \textgreater \ k=2 \\ x=5*2=10 \\ y=4*2=8[/tex]