weeblordd
22.08.2019 •
Mathematics
Use common denominators to determine whether the ratios form a proportion.
6 : 9 and 9 : 12
a.
yes. they form a proportion.
b.
no. they do not form a proportion.
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Ответ:
Every 2 apples there are 3 oranges
So having 9 apples what is that?
2 x ? = 9
2 x 4.5 = 9
So if you want to keep 2:3 you have you times the oranges by 4.5 aswell!
3 x 4.5 = 13.5
So since it is 9:12 not 9:13.5 they are not in proportion
Ответ:
89
Step-by-step explanation: