jesscass0302 jesscass0302

18-03-2020
Mathematics

contestada

If x varies inversely as y, and x = 7 when
y=3, find y when x = 9.

Respuesta :

abustanley5 abustanley5

18-03-2020

Step-by-step explanation:

x=k/y------(1)

k=xy

k= 7×3

k=21

from equation 1

x=k/y

y=k/x

y=21/9

y = 2.33

Answer Link

patelman242 patelman242

20-03-2020

Answer:

3.85714285714

Step-by-step explanation:

7 = 3

9 = y

9*3=27

27/7 = 3.85714285714

Answer Link

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