9841053562 9841053562

02-06-2020
Mathematics

contestada

If a+b=9 and ab=18,find the value of a and b.

Respuesta :

ronhagrid310 ronhagrid310

02-06-2020

Answer:

Given:

a + b = 9

=> a = 9 - b

Given:

a x b = 18

=> (9 - b) x b = 18

=> 9b - b^2 = 18

=> b^2 - 9b + 18 = 0

=> (b - 3)(b - 6) = 0

=> b = 3 => a = 6

=> b = 6 => a = 3

Hope this helps

:)

Answer Link

Otras preguntas

Which Athenian opened a school called the Academy? A. Aristotle B. Plato C. Socrates D. Euripides

Write equation in standard form. y+2=-3(x-1)

12 stamps increased by 125 percent equals

Describe the working and living conditions that working-class people experienced during the Industrial Revolution.

why are some computer viruses called Trojan horses

Which of the following was created by the Banking Act of 1933? A. Social Security B. unemployment insurance C. Federal Deposit Insurance Corporation D. balanced

Seattle is the premier gateway for what three things?

Which opening line BEST sets an ominous tone for a short story? Enjoying her daily walk on the lake trail, Laura headed toward the funny tree that reminded her

100 acres to 140 acres percent change

solve the equation, check for extraneous solutions x-10= √9x please explain each step with words:)