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

The population of linton is 12 times as great as the population of ellmore. The combined populationof both town is 9646 people what is the population of linton
When making college visits, you may be able to?
What is -5/8 / 9/10 ? A. -25/36 B. -9/16 C. -45/80 D. -1/36
What major battle was fought near the town of Sharpsburg, Maryland? A. Fort Sumter B. New Orleans C. Chancellorsville D. Antietam
How man significant dogits are in there in the product if 45.10 and 101?
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. Given this information, how many electrons does it have? How many protons and neutrons do
6+4/5b=9/10b solve for b
Most teenage smokers who try to quit are successful True or False
Who built the first cities in China?
How is photosynthesis and cellular respiration related?