alondramarinbahi
alondramarinbahi alondramarinbahi
  • 20-11-2020
  • Mathematics
contestada

Suppose y varies inversely as x, and y=25 when x=3. Find x when y=15

Respuesta :

makenzieburgett50
makenzieburgett50 makenzieburgett50
  • 20-11-2020

Answer:

If

y

varies inversely as

x

then

XXX

x

⋅

y

=

c

for some constant

c

We are told when

x

=

2

then

y

=

15

So

XXX

2

⋅

15

=

c

XXX

⇒

c

=

30

and

XXX

x

⋅

y

=

30

Therefore when

y

=

3

XXX

x

⋅

3

=

30

XXX

→

x

=

10

Step-by-step explanation:

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