Answer:
y =
Step-by-step explanation:
given that y varies inversely as x then the equation relating them is
y = ← k is the constant of variation
To find k use the condition x = 9 and y = 4
k = yx = 9 × 4 = 36
y = ← equation of variation
Answer:
-47
Step-by-step explanation:
10 -9 x 5 + 6 x ( -2 )
10-45+6 x -2
10-45-12
-35-12
-47