Question

hi

Answer 1

.8

Answer 2

If y varies inversely with x, y=k/x or alternatively xy=k, where k is a constant; i.e. the product of x and y is always constant.

Answer 3

try once again

Answer 4

can someone please help on my question

Answer 5

I'm trying...

Answer 6

I don't know then

Answer 7

what's k ?

Answer 8

80

Answer 9

i guess you are assuming y varies inversely to squared x no ?

it's just x without squared

Answer 10

So then it would be... 8

Answer 11

y = k/x
20 = k/2

so k=?

Answer 12

4 is the answer

Answer 13

now it's correct

Answer 14

y = K/x (K any number)
When x = 2-> y = 20 -> K = 40 -> x = K/40
When x = 10 -> y = 40/10 = 4.