taylorclarkx17
26.10.2021 •
Mathematics
-1/2+ 3/4 hmm what is it?
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Ответ:
-1/2+ 3/4
-1+3
2
2+4
6
:2/6
Ответ:
32
Step-by-step explanation:
Totally there are 50 tosses.
Let the number of tosses which resulted head be x.
Therefore the number of tosses which resulted tail is 50−x.
We get x×1+(50−x)×(−1)=14
x−(50−x)=14
x−50+x=14
x=32