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

if y = - 4/5x - 2, what is the value of x when y = - 9
Travis travel 248 miles in 4 hours what is his unit rate of speed in miles per hour
the word pessimism refers to a
you purchase a house for $124,000. and the next year sell it for $150,000. what would be did percent of increase or decrease?
simplify. 36÷(3⋅2)−1
3 multiplied by the sum of a number and 5
on a number line, what is the distance between -17 and 9 ? show your work a -26 b -8 c 8 d 26
which modern technology has not made a great difference in the lnuit way of life?A. snowmobile B. automobile C. satellite D. television
(4.9 x 10-2) (9.80 x 102) =
If the coordinates of a polygon graphed in the first quadrant with one vertex on the origin are (0,0), (a,0), (a,a), (0,a), then what is the most precise name f