lolajewls4458 lolajewls4458
  • 21-11-2022
  • Mathematics
contestada

tom can do a job in 140 minutes; tom and jerry can do the job together in 70 minutes. how long for jerry to do the job by himself?

Respuesta :

Otras preguntas

Solve 0.30x+6y=300 for x
In a linked chain implementation of a queue, the performance of the enqueue operation A. O(1) B.O(n) C.O(logn) D.O(n2)
What scientific discoveries led to changes in Dalton's atomic theory?
Aidan has 6 (different) bulls and 10 (different) horses living at his animal sanctuary. He needs to place them in a line of 16 paddocks, and the bulls cannot be
4(x-1) = 1/2(x-8) ....... Please help me answer this
One result of the contact between Europeans and American Indians was the spread of disease. Which statement best describes the effect disease had on European an
An X-ray scattering from a free electron is observed to change its wavelength by 3.14pm. At what angle to the incident direction does the scattered X-ray move?
Amu lives in an isolated area and very close-knit community. The community hunts and farms together and must do so to survive. If Amu suddenly becomes aggressiv
3/4(48-16x) = 4(4 +2x)
Responsibility for emergency preparedness: A. Rests solely at the local jurisdictional level. B. Is divided between the Federal and State governments. C. Falls