superstarr7200 superstarr7200
  • 04-01-2018
  • Mathematics
contestada

Find two factors of 18 with the sum of 19

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 04-01-2018
a*b=18 ____[1]
a+b=19____[2]

[2] a=19-b ___[3]

put [3] in [1]
(19-b)*b = 18
19b-b^2 = 18
b^2-19b+18 = 0
(b-18)(b-1) = 0
so b=18 or b=1

if b=18 then a=19-18=1
if b=1 then a=19-1=18

SO two factors are 1 and 18
Answer Link

Otras preguntas

WHAT IS 5,350 DIVIDED BY NOTHING =5.35
PLEASE HELP I WILL MARK BRAINALIST
3. Why was the Marbury v. Madison ruling a tuming point for the nation? A. It reinforced the executive branch as the strongest branch of the government. B.It ga
6x + 3y = 3 - 2x + 4y = - 6 using the elimination strategy
How many atoms of Ca are in 1.65 mol of Ca?
Three gallons of gasoline cost $3.36. How much does 5 gallon cost?
At Christmas, Uncle Jack gives the kids a gift. What is it? Why does Atticus let them have it?
Help pls ty!!!!!! ;)) as
It is usually most slippery ___ of rain fall
there is 892 red balloons and there are 742 Blue balloons about how many balloons are there in all ?