Question Number 46464 by Zahir Ussene Mamede last updated on 26/Oct/18
![To this formula find the value of S when t=1 u=2 a=3 b=4 c=5 S=((tu)/((a+b+c))) [Answer]========================= S=0.1666666666666... ≈0.17 [Solution]======================== [S=((tu)/((a+b+c)))] =((1×2)/((3+4+5))) =(2/((3+4+5))) =(2/((7+5))) =(2/(12)) =0.1666666666666... ≈0.17 S=0.17](https://www.tinkutara.com/question/Q46464.png)
$${To}\:{this}\:{formula}\:{find}\:{the}\:{value}\:{of}\:{S}\:{when}\:{t}=\mathrm{1}\:{u}=\mathrm{2}\:{a}=\mathrm{3}\:{b}=\mathrm{4}\:{c}=\mathrm{5} \\ $$$${S}=\frac{{tu}}{\left({a}+{b}+{c}\right)} \\ $$$$\left[{Answer}\right]========================= \\ $$$$ \\ $$$$\:\:\:\:{S}=\mathrm{0}.\mathrm{1666666666666}… \\ $$$$\:\:\:\:\:\:\:\approx\mathrm{0}.\mathrm{17} \\ $$$$ \\ $$$$\left[{Solution}\right]======================== \\ $$$$ \\ $$$$\left[{S}=\frac{{tu}}{\left({a}+{b}+{c}\right)}\right] \\ $$$$\:\:\:\:\:=\frac{\mathrm{1}×\mathrm{2}}{\left(\mathrm{3}+\mathrm{4}+\mathrm{5}\right)} \\ $$$$\:\:\:\:\:=\frac{\mathrm{2}}{\left(\mathrm{3}+\mathrm{4}+\mathrm{5}\right)} \\ $$$$\:\:\:\:\:=\frac{\mathrm{2}}{\left(\mathrm{7}+\mathrm{5}\right)} \\ $$$$\:\:\:\:\:=\frac{\mathrm{2}}{\mathrm{12}} \\ $$$$\:\:\:\:\:=\mathrm{0}.\mathrm{1666666666666}… \\ $$$$\:\:\:\:\:\approx\mathrm{0}.\mathrm{17} \\ $$$$ \\ $$$${S}=\mathrm{0}.\mathrm{17} \\ $$