pukargurung204
pukargurung204 pukargurung204
  • 21-03-2022
  • Mathematics
contestada

The sum of number is 16 and the sum of their square is 130.Find the number​

Respuesta :

t536cicqr2
t536cicqr2 t536cicqr2
  • 21-03-2022
let y=other number
..
x-y=16
x^2+y^2=130
..
x=y+16
(y+16)^2+y^2=130
y^2+32y+256+y^2=130
2y^2+32y+126=0
y^2+16y+63=0
(y+7)(y+9)=0
y=-7
x=y+16=9
or
y=-9
x=y+16=7
..
The two pairs of numbers are: (9 and-7) and (7 and-9)
Answer Link

Otras preguntas

how is the thermal energy of a substance related to its physical state
In a complete sentence, define gymnosperm.
Luke jogged a total of 56.5 miles last week.  If Luke jogged the same distance, d, each day for 3 days and half that distance on each of the remaining days, wri
5/10 =   /6  is 5/10 and 3/6 equivalent fraction.  if so, please explain
Which of the following is not a plant adaptation to cold? a. a waxy cuticle on the leaves b. rhizoids c. woody trunks d. seeds
In meters, the sides of a triangle measure 14,18 and 12. The length of the longest side of a similar triangle is 21 meters. a. Find the ratio of similitude of
Which of the following is not a plant adaptation to cold? a. a waxy cuticle on the leaves b. rhizoids c. woody trunks d. seeds
An art teacher has 9 students in a pottery class. He has 21.06 pounds of clay he divides evenly among all the students. Each student will divide his or her clay
sea-floor spreading, new crust is added at a _____ .Amid-ocean ridgeBmagnetic stripe
A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, wh