samieskyy7486 samieskyy7486
  • 04-01-2018
  • Mathematics
contestada

Find two positive numbers whose difference is 14 and whose product is 975

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 04-01-2018
a-b=14 ----(1)
a*b=975 ----(2)

(1) a=14+b ----(3)
put (3) in (2)
(14+b)b = 975
14b+b^2 = 975
b^2 + 14b - 975 = 0
(b+39)(b-25) =0
so b = -39 or b = 25
if b = -39 ×××× it's not a positive number
so b = 25 then a = 14 + b = 14 + 25 = 39

answer a=39, b=25
Answer Link

Otras preguntas

can someone help me with this
Which pair of angles shares ray A F as a common side? DAF and DAB EAF and CAE BAF and EAD BAF and FAD
As blood moves away from the heart toward the tissues, the relative size of blood vessels ________, the blood pressure ________, and the velocity of blood flow
Three moons are in the same circular orbit around a planet. The moons are each 115,000 kilometers from the surface of the planet, located at points A, B, and C.
Please help me!! Idk if I’m right
In the mid 1970s, __________ was the first successful gaming console.
Is the north china plain east or west of the sichuan basin?
Where in romeo and juliet does it talk about the capulet wealth?
which equation has x=-6 as the solution
​which individual is exhibiting a moratorium in the process of developing an identity? a. greg, who refuses to consider different career paths b. jan, who is do