dancatalin811
dancatalin811 dancatalin811
  • 15-03-2017
  • Mathematics
contestada

Suma a trei numere este 130. Stiind ca ele sunt invers proportionale cu numerele 2,3,4 aflati numerele

Respuesta :

smpurvis
smpurvis smpurvis
  • 15-03-2017
A+b+c=130 a,b,c  ip  cu 2,3,4 2a=3b=4c=k a=k/2 b=k/3 c=k/4 k/2 + k/3+ k/4= 130  aducem la acelasi numitor (12) 6k+4k+3k=1560 13k=1560 k=120 a=120/2=60 b=120/3=40 c=120/4=30
Answer Link
Аноним Аноним
  • 15-03-2017
6k+4k+3k=1560 13k=1560 k=120 a=120/2=60 b=120/3=40 c=120/4=30, hope that helps!!
Answer Link

Otras preguntas

is it true that in volleyball teams must win by two
the client obtained an order for 1 liter of fluid to be drunk over 8 hour period. how many cups should the client drink each hour?​
What was Adam Smith's economic idea?
what is relation of mass density n volume using formula?
Which set of story elements most affects the theme of a story? the mood established by a story’s setting how characters interact with details of the setting whi
do Acids increase the concentration of hydrogen ions in an aqueous solution?
Please help! A rectangle with an area of 104 square centimeters has a length and width in a ratio of 13:2. What are the length and width? length = centimeters w
3x + 7 = 14 + 3xhelp lolzz​
The function () = 3 − 4 has a range of {-7, -1, 0, 5, 11, 20}. What is the domain?
In an experiment, the group that is not exposed to the independent variable is called the experimental group. true or false?