Question

medal for answer

Answer 1

@hartnn

Answer 2

what do you know about inverse variation?

Answer 3

nothing :(

Answer 4

when y varies inversely as x
\(x y = k\)

where k is the constant of proportionality

Answer 5

ive studied though

Answer 6

ok, so use
xy = k

x = 8, y = 6

find the value of k first!

Answer 7

48

Answer 8

good,
xy = 48


now we want the value of y when x =10

plug in x = 10 in
xy =48

Answer 9

and isolate y

Answer 10

4?

Answer 11

how?

10 y = 48

y = 48/10 = ... ?

Answer 12

4.8

Answer 13

good!
\(\huge \checkmark\)

Since you seem to be new here,
\(\huge \color{red}{\text{Welcome to Open Study}}\ddot\smile\)

Answer 14

I have more questions

Answer 15

feel free to ask as many questions as you need.
one question per post though :)

so close this one and open a new one!