+0  
 
0
165
1
avatar

Find k and y when x = 6 and z = 8, if y varies jointly as x and z and y = 60 when z = 3 and x = 4.

 

a)k = 1/5 , y = 240

b)k = 5 , y = 240

c)k = 1/5 , y = 9.6

d)k = 5 , y = 9.6

 Mar 1, 2021
 #1
avatar+34316 
+1

y = k x z

60 = k * 3 * 4

k = 5

 

y = 5* x * z

   = 5 * 6 * 8 = 240

 Mar 1, 2021

23 Online Users