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

What was the result of middle class Americans moving moving to the suburbs of most cities
what does the word indulge mean
solve for k. 9/10 = 10/k
Which characteristic of enzymes allows it to be highly specific in the reactions they catalyze? its structure its concentration its diluted form its ability to
List the causes of World War I and the war's effects on social, economic, and foreign policy in the United States?
An example of a fixed expense is a. concert tickets. c. clothing and magazines. b. rent and car payments. d. medical costs.
4/y+3 + 5/y-6 = 9/y+4 . solve the equation
Microtubules, microfilaments, and intermediate filaments make up the _____, which lies beneath the plasma membrane and provides support, movement, and shape for
what agency sticker should be presented inside a childs helmet?
what is 35/75 reduced to