Ismahbath15
Ismahbath15 Ismahbath15
  • 01-11-2017
  • Mathematics
contestada

assume y varies directly as x. if y=8 when x=42; find y when x=126

Respuesta :

Catya
Catya Catya
  • 01-11-2017
varies directly basically means a multiple of

y = kx

where "k" is the constant of variation. You must solve for this first using the given information.

8 = 42k
8/42 = k
0.19= k

Equation: y = 0.19x
when x = 126
y = 0.19(126)
y = 24


Answer Link

Otras preguntas

256 divided by 16 ratio table problem
Is a dolphin a mammal or a fish? Why would it be confusing if we only said "dolphin" instead of using scientific names
= = Identify which property is being illustrated. If C = d and d = 5, then c=5.
What is the momentum of an 80 kg runner moving at the speed of 2.5 m/s? Use the exact value you obtain in a calculator.____kgm/s
What are the similarities and differences between ancient Athens and ancient Delphi?
Pls help And explain pls
You have 6,368 grams of a radioactive kind of cobalt. If its half-life is 271 days, how much will be left after 542 days?
The word "education" can take on a variety of meanings. To some, receiving a high school or college diploma is the ultimate mark of being "educated," while othe
When conducting research, it is most important that a student always:
Staples sells boxes of pens ($12) and rubber bands ($9) Leona ordered a total of 22 cartons for $240 how many boxes of each did Leona order hint let P=pens