LeagueOfFacepalms
LeagueOfFacepalms LeagueOfFacepalms
  • 01-07-2016
  • Mathematics
contestada

suppose that y varies jointly with x and z. Find your when x=3 and z=5 , given that y=72 when x=6 and z=4

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 05-07-2016
y α xz

y = kxz             y = 72, when x = 6, and z = 4

72 = k*6*4

72 = k*24

24k = 72

k = 72/24

k = 3.

y = kxz    

y = 3xz    

Finding y, when x = 3, z = 5.

y = 3xz

y = 3*3*5

y = 45
Answer Link

Otras preguntas

Molars and premolars of early archaic homo sapiens are reduced in size, while in some populations, front teeth may be increased in size. how do anthropologists
How do do a word problem whit five hundred and four
if you have a mineral sample with a volume of 40 ml and a mass of 200 grams what is the density
which choice represents the fraction below as a single exponential expression helppppppppp
Neuroimaging data show that neuronal activity in the amygdala of depressed patients is:
explain the difference between a recumbent and upright exercise cycle
When people realized the value of rubber, the economy boomed. Which of the following started the boom? A) farming B) transportation C) housing
Would I just plug in the coordinates or...?
How did the Columbus exchange affect the Americas and Europe
by next Saturday I ___ no television for a month. (future perfect) which verb correctly completes the sentence using the tense indicated in parentheses?was watc