Question

If y varies directly with x and inversely with z, and y = 16 when x = 8 and z = 2, find y when x = 10 and z = 5.

Answer 1

y = kx
----
z

Answer 2

..

Answer 3

..

Answer 4

now insert the values and try to solve and find constant... then move.

Answer 5

theres more than 1 of each variable

Answer 6

first v have to find the value of K, which is a consant.

Answer 7

Now,


y = 2x
----
z

now insert the values to find anyone.

Answer 8

k

Answer 9

4

Answer 10

Oh yea 4.. sorry..

Answer 11

16y = k(8)
----
2

16y = 8k

k = 4

Answer 12

Now,


y = 4x
----
z

now insert the values to find anyon

Answer 13

ty

Answer 14

Dang, y i make silly mistakes? :(