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Answer:
a. f = kg/h²
b. 10
c. 5
Step-by-step explanation:
f varies directly as g and inversely as the square of h
f = kg/h² where k is the constant of variation
if f = 20 when g = 50 and h = 5
f = kg/h²
20 = k ( 50 )/5²
20 = k ( 50 )/25
20 = k ( 2 )
k = 20/2
k = 10
find f when g =1 8 and h = 6.
f = kg/h²
f = ( 10 ) ( 18 )/6²
f = 180/36
f = 5