sabsturua
sabsturua sabsturua
  • 02-02-2020
  • Mathematics
contestada

The difference of two positive numbers is 7 and the sum of their squares is 109. Find the numbers.

Respuesta :

sam4040
sam4040 sam4040
  • 09-02-2020

Answer:

[tex]Numbers\ are\ 58\ and\ 51.[/tex]

Step-by-step explanation:

The the numbers are [tex]x\ and\ y[/tex].

Difference:

[tex]Difference\ of\ numbers=7\\\\x-y=7....................eq(1)[/tex]

Sum:

[tex]Sum\ of\ numbers=109\\\\x+y=109...........................eq(2)[/tex]

Solve [tex]eq(1)[/tex] and [tex]eq(2)[/tex].

[tex]eq(1)+eq(2)\\\\x-y+x+y=7+109\\\\2x=116\\\\x=58\\\\Now\ from\ equation\ 1\\\\x-y=7\\\\y=x-7\\\\y=58-7\\\\y=51[/tex]

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