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]

Answer Link

Otras preguntas

(v) 4x + x + x - 72(vi) 5+2x---​
The orator spoke _____. Which sentence ending would make the verb spoke a transitive verb? A. at length B. for three hours C. to the crowd D. the truth
Amy had to solve 26 problems. After 3.6 hours, she had 8 problems left to solve. If she solved the same number of problems each hour, how many more hours does s
Someone please help me with this
So far this season, John scored 4 goals and missed on his 16 other shots on goal. What is the experimental probability that John will score a goal on his next s
Find the solution set of the inequality 14-3x<-1
(01.01) Evaluate −15 + (−4). (1 point) Group of answer choices
the highest common factor of 98 and 42
The expression is equivalent to? Please?
The Department of Highway Improvements, responsible for repairing a 25-mile stretch of interstate highway, wants to design a surface that will be structurally e