Question

F is inversely proportional to the square of x. When F is 20, x is 3. Find the
value of F when x is 5.​

Answer 1

Answer:

Step-by-step explanation:

F=k\x²   , 20=k\3²   , k=180  ,  F=180\x²  .

F=180\5²  =180\25=7,2