tr122704 tr122704

28-11-2020
Mathematics

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If z is inversely proportional to r, and z= 32 when r=1.5, find r when z=8.

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Respuesta :

meowmeow223334 meowmeow223334

28-11-2020

Inversely proportional: z = k/r
k = 32 * 1.5 = 48
Plug that into equation
8 = 48/r
Multiply both sides by r
8r = 48
Divide by 8
r = 6

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