The inequality 12x+9 ≥ 21 represents the minimum rate Chanita have to swim on second day to complete the distance.
Step-by-step explanation:
Given,
Length of English Channel = 21 miles
Distance covered on first day = 9 miles
Time to complete remaining distance on second day = 12 hours
Let,
x be the distance covered per hour on second day.
Time to cover distance * Distance covered per hour + Distance on first day ≥ Total distance
12x+9 ≥ 21
The inequality 12x+9 ≥ 21 represents the minimum rate Chanita have to swim on second day to complete the distance.
Keywords: addition, inequality
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Answer:
C
Step-by-step explanation:
11.8 to a mixed number is 11 8/10 or 11 4/5.
Step-by-step explanation:
negative because it's a negative number until it gets a full ratio unit or positive unit
Considered as it only taking the area of flat surfaces of a 3D object, no
