Question

if r varies directly as s and inversely as the square of u, and r = 2 when s = 18 and u = 2,

find: a.r when u = 3 and s = 27.​

Answer 1

Answer:

r=4/81

Step-by-step explanation:

2=k(18÷4)

k=(4÷9)

now

r=(4/9)(3/27)

r=(4/9)(1/9)

r=4/81