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

plz help.Four sisters bought a present for their father. they received a 10% discount on the original price of the gift. After the discount was taken, each sist
How would weather reporter read 0.103 meter?
one hundred eighty is equal to how many tens
30% of a number is one-thirtieth of x, find the initial expression as a fraction of x
Express 8.15 as a mixed number.
the difference between the square roots of a number is 30. What is the number?
What is 30,944 rounded to the nearest ten thousands
give an example of a unit rate used in a real-world situation
A ray of light strikes a mirror. The angle formed by the incident ray and the reflected ray measures 90 degrees. What are the measurements of the angle of inci
Are (121 over 11),(23 over 3), and (85 over 5) in simplest form?