We are given that the initial depth of snow is 10 cm
while the rate of melting is 1/3 cm per hour. So the melted ice after 3 hours
is:
melted = (1/3 cm/hr) * 3 hours = 1 cm
Hence the depth left is:
depth = 10 cm – 1 cm = 9 cm
Answer:
9 cm
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11.6
Step-by-step explanation:
(x−a)(x−b)
=(x+−a)(x+−b)
=(x)(x)+(x)(−b)+(−a)(x)+(−a)(−b)
=x2−bx−ax+ab
