wavychop447 wavychop447

02-01-2018
Mathematics

contestada

Find two whole numbers with a sum of 15 and a product of 54

Respuesta :

anchitthawi anchitthawi

04-01-2018

a+b=15----(1)
a*b=54----(2)

(1) a=15-b ----(3)

put(3) in(2)

(15-b)*b=54
15b-b^2=54
b^2-15b+54=0
(b-9)(b-6)=0
so b=9 or b=6

if b=9 then a=15-9=6
if b=6 then a=15-6=9

answer two numbers are 6 and 9

Answer Link

Otras preguntas

I need help ASAP!!!Please explain your answer

Ariana is a songwriter who collects royalties on her songs whenever they are played in a commercial or a movie. Ariana will earn $40 every time one of her songs

Explain why succession allows an ecosystem to recover after a primary disturbance.

what dose advocates mean

10 solve the following humeric problem - S. a What is the lift height of salu? T. object energy required to 25 kg to mass of a 10 m.

Why My LinkedIn Lead Generation Is Failing?

Did you enjoy the flight? (both)

A gray crayon is made with 5 mL of black wax for every 6 mL of white wax Which of the following wax mixtures will create the same shade of gray? choose 2 answer

give ABCD is a trapizod , Ab = 13, CD= 14, BC = 15, and AD = 20 what is the area

Find x. Round your answer to the nearest tenth of a degree.