Evaze9186 Evaze9186
  • 02-07-2020
  • Mathematics
contestada

If y varies directly as x and z, and y=8/3 when x=1 and z=4 find y when x=6 and z=3

Respuesta :

sammyayol2013 sammyayol2013
  • 05-07-2020

Answer:

y = 12

Step-by-step explanation:

If y varies directly as x and z;

y ∝ xz

y = kxz .......1

Where k is the constant of Proportionality;

y=8/3 when x=1 and z=4

Making k the subject of formula and substituting the given values.

k = y/xz

k = (8/3)/(1×4)

k = (8/3)/4

k = 2/3

when x=6 and z=3;

From equation 1;

y = kxz

And;

k = 2/3

x = 6

z = 3

Substituting the values;

y = 2/3 × 6 × 3

y = 12

Answer Link
melanieplaysmsp6
melanieplaysmsp6 melanieplaysmsp6
  • 15-11-2020

Answer:

12

Step-by-step explanation:

Answer Link

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