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

Adam Smith used the “invisible hand” as a metaphor for the forces that balance a free market. What might be a good metaphor for the forces at work in a command

In a voltaic cell, chemical energy is converted to (1) electrical energy, spontaneously (2) electrical energy, nonspontaneously (3) nuclear energy, spontaneousl

Two spherical balloons are filled with water. The first balloon has a radius of 3 cm, and the second has a radius of 6 cm. How much more water is in the larger

Where is the center of the earth.

Why does the Harlem Renaissance hold such significance in US history despite its fading influence during the Great Depression?

The vapor pressure of a liquid is 0.92 atm at 60°C. The normal boiling point of the liquid could be(1) 35°C (3) 55°C(2) 45°C (4) 65°C

In legislative terms, a bill is a proposal A. made in the House of Representatives. B. made in the Senate. C. for any law. D. that has reached committee for

what's 25/75 in simplest form

What are adaptations of the baobob tree

adding heat to liquid water is likely to cause