Peachyyyyyy24
25.09.2019 •
Mathematics
If i have three coins what is the possibility of getting at most three heads
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Ответ:
each coind has a 1/2 probability of landing on heads
3 coins would be 1/2 x 1/2 x 1/2 = 1/8 probability
Ответ:
x = 5
Step-by-step explanation:
4(x - 3) - 3x = - 7 ← distribute parenthesis by 4
4x - 12 - 3x = - 7 , collect like terms
x - 12 = - 7 ( add 12 to both sides )
x = 5