emilyradkinson
emilyradkinson emilyradkinson
  • 30-07-2017
  • Mathematics
contestada

The variable Z is inversely proportional to X. When X is 6, Z has the value 2.

What is the value of Z when X = 13

Respuesta :

irspow
irspow irspow
  • 30-07-2017
Inverse proportion is of the form:

y=k/x, in this case the variables are

z=k/x, and we are given the point (6,2) so we can solve for k

2=k/6

12=k, so our equation is:

z=12/x, so when x=13

z=12/13
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