James300102
30.03.2020 •
Mathematics
Which number produces a rational number when multiplied by 0.5?
0.52
O
A. 0.54732814...
O
B. -1.73205089...
O c. 1 / 2
O D. &
Solved
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Ответ:
Lets Reduce:
21/7=3 so we know for every 3 in 18/21 we have one in x/7
This means 6/7=18/21
Check:
18/6=3
21/7=3