Seudónimo Seudónimo
  • 25-11-2019
  • Mathematics
contestada

if y varies inversely as x² and x varies directly as z. find the relationship connecting y and z if c is a constant​

Respuesta :

znk
znk znk
  • 25-11-2019

Answer:

y = c/z²  

Step-by-step explanation:

(1) y ∝ 1/x²or

   y = a/x² where a is a constant

   x ∝ z or x = bz, where b is a constant

Substitute x into (1)

y ∝ a/(bz)² = a/(b²z²) = (a/b²)/z²

a is a constant and b is a constant, so a/b² is a constant.

Let c = a/b². Then

y = c/z²

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