hassanessam557
hassanessam557 hassanessam557
  • 08-09-2020
  • Mathematics
contestada

If y varies inversely as x2 and y = 100 when
x=1 what is y when x = 2
A) 20
B) 25
C) 50
D) 35​

Respuesta :

wangalores
wangalores wangalores
  • 08-09-2020
Ans: (c)

y = k/x^2

when y = 100, x = 1
100 = k/1^2
k = 100

when x = 2,
y = 100/2
= 50

(u/rachelmarrons already gave you the answer but here’s a step-by-step explanation in case you needed it haha)
Answer Link

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good job