43 потому что оно делится только на 1 и на само себя
<span>32(х+8)-91=32х+32*8-91=32х+256-91=32х+165</span>
С = 2пR
C = 2 * 3,1 * 20
C = 124 см
560-240:8+4=526
70+30*9-5=209
(70+30)*9-5=895
560-240:(8+4)=не знаю
70+30*(9-5)=190
(560-240):8+4=44
Ответ: ні.
Пошаговое объяснение:
Треба порівняти
з ![P\left(\overline{C}\cap A\cap B\right)](https://tex.z-dn.net/?f=P%5Cleft%28%5Coverline%7BC%7D%5Ccap%20A%5Ccap%20B%5Cright%29)
Оскільки події незалежні, то
![P\left(C\cap\overline{A}\cap B\right)+P\left(C\cap A\cap \overline{B}\right)=P\left(C\right)P\left(\overline{A}\right)P\left(B\right)+P\left(C\right)P\left(A\right)P\left(\overline{B}\right)\\ =0.3\cdot0.3\cdot0.5+0.3\cdot0.4\cdot0.5=0.15](https://tex.z-dn.net/?f=P%5Cleft%28C%5Ccap%5Coverline%7BA%7D%5Ccap%20B%5Cright%29%2BP%5Cleft%28C%5Ccap%20A%5Ccap%20%5Coverline%7BB%7D%5Cright%29%3DP%5Cleft%28C%5Cright%29P%5Cleft%28%5Coverline%7BA%7D%5Cright%29P%5Cleft%28B%5Cright%29%2BP%5Cleft%28C%5Cright%29P%5Cleft%28A%5Cright%29P%5Cleft%28%5Coverline%7BB%7D%5Cright%29%5C%5C%20%3D0.3%5Ccdot0.3%5Ccdot0.5%2B0.3%5Ccdot0.4%5Ccdot0.5%3D0.15)
![P\left(\overline{C}\cap A\cap B\right)=P\left(\overline{C}\right)P\left(A\right)P\left(B\right)=0.7\cdot0.7\cdot0.5=0.245](https://tex.z-dn.net/?f=P%5Cleft%28%5Coverline%7BC%7D%5Ccap%20A%5Ccap%20B%5Cright%29%3DP%5Cleft%28%5Coverline%7BC%7D%5Cright%29P%5Cleft%28A%5Cright%29P%5Cleft%28B%5Cright%29%3D0.7%5Ccdot0.7%5Ccdot0.5%3D0.245)
Оскільки, 0.15 < 0.245, то людина С заблукала в лісі.