patriciaceaser7550 patriciaceaser7550
  • 23-07-2017
  • Mathematics
contestada

Y varies jointly as x and z, and y = 32 m, x = 6 m, and z = 8 m. what is the value of y when x = 5 m and z = 12 m?
a. 90 m
b. 4 m
c. 40 m
d. 9 m

Respuesta :

balajitcwa balajitcwa
  • 23-07-2017
as x = 5 & z=12, 

2/3 = y /(xz) = y/(5*12) 

= y/60 

so y / 60 = 2/3 

y = (2*60)/3 

= 40
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