mkim2290
20.01.2021 •
Mathematics
Do the ratios 2:1 and 11:9 form a proportion?
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Ответ:
18/11 do no form a proportion
Step-by-step explanation:
2x9 = 18
1x11 = 11
Proportions have to be equal
Ответ:
-8d^2+24d-12 is your answer
or
4(-2d^2+7d-3)