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

The BIOS performs most of the calculations, which enable a computer to function and is sometimes referred to as the “brain” of the computer. True or false?

discuss external factors that have impact negatively on your lifestyle choices namely accident and risky behaviour

Solve 2 + 1/6y = 3x + 4 for y.

What promoted the United States to take action in the Middle East

5 is 1/10 of what number? Help please!!!!!

A foot ball field is 120 yard long and 16” wide how many square yard of grass is needed to cover the field

Please help I don't understand exponents

2.8 kg is equal to Question 3 options: A) 2.8 × 106 mg B) 2.8 × 106 g C) 2.8 × 106 dg D) 2.8 × 10-6 mg

she used to meet him change into yes/no question

suppose you put 3 spoonful of honey in your cereal four small spoons holds 5ml. about how many mililitres of honey will you eat?GIVE 20 POINTS AND MARK BRAINLIE