(x+25)*4=360
(x+25)=360/4
x+25=90
x=90-25
x=65
Ответ: х=65
X-2x-3+2-0,5x=-1,5x-1
2+3y-1-1-2y=y
(4/24+3/24)*4/7=7/24*4/7=49/96
в 3 ведра 30 литров , а в 8 80 литров
P(H1) = 0.55
P(H2) = 0.45
P(A|H1) = 0.01
P(A|H2) = 0.02
P(A) = P(H1)*P(A|H1) + P(H1)*P(A|H1) = 0.55*0.01 + 0.45*0.02 = 0.0055 + 0.009 = 0.0145
P(H1|A) = P(H1)*P(A|H1)/P(A) = 0.0055/0.0145 = 11/29
<span>P(H2|A) = P(H2)*P(A|H2)/P(A) = 0.009/0.0145 = 18/29 (вот это и есть ответ)</span>