jdrowell704 jdrowell704
  • 18-10-2021
  • Mathematics
contestada

If p is inversely proportional to the square of q, and p is 6 when q is 8, determine p
8
when q is equal to 2.

Respuesta :

danielgeyfman
danielgeyfman danielgeyfman
  • 18-10-2021

Answer:

[tex]p=96[/tex]

Step-by-step explanation:

Because p is inversely proportional to the square of q, we have that [tex]p(q^2)=k[/tex] for some constant k. We know that [tex]p=6[/tex] when [tex]q=8[/tex], so we have that [tex]k=(6)(8)^2=6*64=384[/tex].

We want to know what p is when q is equal to 2, so we have that [tex]p(2)^2=384[/tex], which gives [tex]4p=384[/tex], which gives [tex]\boxed{p=96}[/tex].

Note: [tex]\frac{96}{6}=(\frac{8}{2})^2[/tex]. Coincidence?

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