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

Why should a speaker carefully consider his or her audience? A. Most speakers do not consider their audience, just the argument that they want to make. B. Most
How to multiply mixed fractions khan academy?
Classical melodies usually contain _____.
Which expression is equivalent to 3m+1-m? A. 2+m-1+m B. 1+m C. 3m-1 D. 3m
How ancient egypt influenced the modern world?
Solve the quadratic equation by completing the square. 9n^2 +79 = -81
What internal system is the last system to develop in the fetus?
The energy that drives surface oceans currents come from
Which feature of Anglo-Saxon culture is reflected in the passage
negative Tu commands write the following in command form 1.No/hablar con entranos 2.no/comer dulces 3.no/escuchar la casa 4.no/mirar mucha television 5.no/compr