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if y varies inversely as x, and y=3 when x=8, what is the value of y when x=15?
A. 16 B. 1.6 C. 16 D. 1.5​


Sagot :

Answer:

B.1.6

I'm not sure

Sana makatulong

Answer:

e statement is expressed as  

y

1

x

inverse means  

1

variable

To convert to an equation introduce k, the constant of variation.

y

=

k

×

1

x

y

=

k

x

To find k use the given condition that y = 8 when x = 4

8

=

k

4

k

=

4

×

8

=

32

equation is    

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

2

2

y

=

32

x

2

2

−−−−−−−−−−−−  

x

=

16

y

=

32

16

y

=

2

when  

x

=

16

Step-by-step explanation:

bkt ganto yung sagot ko haha