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462nolan
12.10.2019 •
Mathematics
Are these proportional?
2: 3 and 4: 6
1: 4 and 6: 18
3: 5 and 1: 3
2: 5 and 8: 20
4: 9 and 12: 27
6: 15 and 2: 5
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Ответ:
Step-by-step explanation:
2:3 and 4:6 is proportional because if you simplify 4:6 it will equal 2:3.
1:4 and 6:18 is not proportional because if you simplify you would not get 1:4.
3:5 and 1:3 is not proportional because you can't simplify it any further and they do not equal each other.
2:5 and 8:20 is proportional because if you take 2:5 and multiply each number by 4 you would get 8:20.
4:9 and 12:27 is proportional because you can simplify 12:27 and get 4:9.
6:15 and 2:5 is proportional because you can multiply 2:5 by 3 and get 6:15.
Ответ:
this solves
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