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stepladder [879]
3 years ago
7

There is a mid ocean ridge between South America and Africa causing the two continents to drift away from each other. South Amer

ica and Africa have moved 250 cm away from each other in the last 100 years. What is their average speed?
Mathematics
1 answer:
Oksanka [162]3 years ago
5 0

Answer:

2.5 cm/year

Step-by-step explanation:

Just divide the total distance, 250 cm, by the years, 100, 250/100 = 2.5, the rate of the contintents drifting away is 2.5 cm per year, 2.5 cm/year

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hope that helps ...

5 0
2 years ago
There are 28 nonfiction books and 35 fiction books in the teacher's collection. Which of the following expresses the ratio of no
Lostsunrise [7]
The answer is B) 4:5

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28:35
--- ----
7    7
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3 years ago
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ololo11 [35]
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4 0
3 years ago
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The price of a CD player was reduced from $80 to $52. What was the percent decrease in the price of the CD player?
Harlamova29_29 [7]

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6 0
3 years ago
I will thank your mom
Dahasolnce [82]
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3 0
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