The variable x varies directly as the cube of y, and y varies directly as the square root of z. if x equals 1 when z equals 4, what is the value of z when x equals 27?

Step-by-step explanation:

According to the question,

∝          .......(1)

∝    .......(2)

From equation 1,2 let constant of proportionality be respectively.

⇒            .......(3)

⇒    .......(4)

From the above equations putting 4 into 3,

Let the new constant to the above equation be ,

Given,if x=1, when z=4

⇒

Now if x=27, then z=?

⇒

⇒

what?

step-by-step explanation:

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the answer is c. 23/3