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

Which major world religion teaches that people will achieve freedom by following the Eightfold Path? a. Buddhism b. Christianity c. Islam d. Judaism
Why a sidewalk has cracks every few feets
What is the mean to a math problem
Do URLs identify the location of Web content?
Igneous rocks with an andesitic composition ________.
Colonists used the phrase “No taxation without representation” to suggest that
The Expansion Of The Rail Networks Led To ?
(1+5/6)(1-5/6) I don't understand it
If p=5 what is the value of 6p-4?
If you have lived for a million seconds, how many birthdays have you had?