mean = sum/n
mean = (5 + 7 + 7 + 9 + 12 + 16 + 21)/7
mean = 77/7
mean = 11
If 2 trays have 12, and you need to get 20 trays, find out 2 * x = 20.
2 * 10 = 20.
So you need to multiply the problem by 10
10(2 trays = 12 ice cubes)
20 trays = 120 ice cubes.
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7x + 5(x + 3) + 4x + x + 2 =
= 7x + 5x + 15 + 4x + x + 2 = 17x + 17
It is called a point of concurrency
Answer:
2.200 = 2.2 = 2.20 = 2.2000 = 2.20000...I could go on...
Step-by-step explanation:
