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patworsley
30.12.2019 •
Mathematics
You mix the letters m, a, t, h, e, m, a, t, i, c, a and l thoroughly. without looking, you draw one letter. find the probability p(a). write the probability as:
a. a fraction in simplest form
b. a decimal
and c. a percent.
i only have one day: (
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Ответ:
a= 3/12 12 would be the total amount of letters, 3 would be the number
b= .25 of letters that are As
c= 25%
Ответ:
0.5a+2.54=0.8a+4.94
0.5a-0.8a=4.94-2.54
-0.3a=2.40
a=-2.40/0.3=-8
Step-by-step explanation: