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Answer:
the expression is x= 2.5 * z/√y
Step-by-step explanation:
since x is proportional to z and since x varies inversely as the square root of y
x= a * z/√y
then
a = x*√y /z
replacing values
a = x*√y /z = 6*√25 /12 = 30/12 = 10/4=2.5
therefore
x= 2.5 * z/√y
It depends on what course you are taking mainly tis just 2 years but if your taking a bigger course it could be up to 6 years.
It would be irrational considering its a square root.
Answer:
Step-by-step explanation:
We can split up the exponent into multiple products: 
.
We know that 
.
We also know that 
.
So, our answer is 
and we're done!
