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 provide wonderful examples of great acceptance speeches.a.Non-profit organizationsc.Show businessb.Corporate eventsd.Literary award events
jessica has two sticks. the sticks are the same distance apart at every point. how would you best describe the sticks
__________ reaction time is a stimulus response. Instant Simple Complex Automatic
what galexy are we in? what type of galexy are we in and what number are we in in the solar system?
What jobs did the ancient roman consuls do?
A substance has a mass of 360 g and a volume of 7.5 cm3. What is its density? a. 2700 g/cm3 c. 480 g/cm3 b. 270 g/cm3 d. 48 g/cm3
Snacks prevent not only hunger sensations but also _______cravings. a. sweet b. carbohydrate c. salt d. animal fat
Rivers that have developed over a long period of time are found in wide valleys with flat, low-lying bottoms. These valleys were created by the removal of rock
Find LeShawn's average speed in meters per hour. 1,448 meters per minute
Number 1. ............................l.........