Westonci.ca is the ultimate Q&A platform, offering detailed and reliable answers from a knowledgeable community. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

the sum of two numbers is 19 and their product is 48. Find the difference between the two numbers.

Sagot :

13

3+16=19
3*16=48
16-3=13
luana
[tex]x-\ first\ number\\y-\ second\ number\\\\ \left \{ {{x+y=19} \atop {xy=48}} \right. \\\\ \left \{ {{x=19-y} \atop {xy=48}} \right. \\\\substitution\ method\\\\ (19-y)y=48\\\\ 19y-y^2-48=0\\\\ -y^2+19y-48=0\\\\Factorisation:\\ -(y^2-3y-16y+48)=0\\\\ -(y-16)(y-3)=0\\\\ y=16\ \ \ or\ \ \ y=3\\\\ x=3\ \ \ or\ \ \ x=16\\\\Numbers\ are:\ 3\ and\ 16.[/tex]