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13-04-2021
Mathematics

contestada

If y varies jointly as x and z and y = 4 when x = 2 and z = 3, what is y when x = -6 and z = 2?

If y varies jointly as x and z and y 4 when x 2 and z 3 what is y when x 6 and z 2 class=

Respuesta :

13-04-2021

Answer:

Step-by-step explanation:

Y = kxz

Putting values of y x and z in the equation

4 = k(2)(3)

4 = k6

2/3 = k

Now finding y when x = - 6 and z = 2

Y = kxz

= 2/3(-6)(2)

= - 8

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