Предмет: Алгебра, автор: Sfahkl

Монету подбрасывают 2 раза. Событие А -"в первый раз выпал орел" Событие В -"Во второй раз выпал орел". Выберите событие В+А
Варианты ответов:
1)Появление решки только во втором бросании
2)Появление хотя бы одной решки
3)Непоявление герба только при первом бросании
4)Появление 2-х гербов
5)Появление 2-х решек
6)Появление хотя бы одного герба
7)Появление одной решки
8)Появление решки только в первом бросании

Ответы

Автор ответа: Аноним

B+A во второй раз выпал орел или в первый раз выпал орел, подходит вариант 6) появление хотя бы одного орла

Похожие вопросы

Предмет: Английский язык, автор: anton3232

откуда это?
Dear Mr. Chain, (A1) ________________ to you in your position as secretary of Greydon Mansions Residents Association in connection with the problem of residents leaving bicycles in the common entrance hallway. My wife and I (A2) _____________a lot of trouble lately with Steve and Tom Stone, the tenants of flat 16 and we wish this problem (A3) ______________. These tenants (A4) ___________ two bicycles which they (A5) ______________ in the entrance corridor. Not long ago the local fire officer (A6) __________out to me that if the corridor (A7) ___________ with bicycles we (A8) ___________ in our flats in a serious fire. I myself (A9) _________ the boys several times that there (A10) __________ space for them to store bicycles in the back yard but they still seem unwilling to move their bikes there and their stubbornness (A11) __________ to seem deliberate. We would rather not have to refer this matter to our solicitors but we (A12) _______that if the residents association (A13) ___________ unable to resolve the matter, we (A14) ___________ no alternative. A1 1 write 2 am writing 3 wrote 4 was writing A2 1 are having 2 have 3 have been having 4 had been having A3 1 were finally solved 2 have finally solved 3 have finally been solved 4 were finally solving A4 1 are owning 2 have owned 3 have been owning 4 own A5 1 are constantly leaving 2 leave constantly 3 had constantly left 4 have constantly been left A6 1 has pointed 2 was being pointed 3 pointed 4 has been pointing A7 1 is blocking 2 were blocked 3 has blocked 4 had been blocked A8 1 may trap 2 might trap 3 might be trapped 4 may have been trapping A9 1 told 2 have been told 3 is telling 4 have told A10 1 is 2 was 3 had been 4 has been A11 1 begins 2 is beginning 3 has begun 4 was beginning A12 1 are feeling 2 have felt 3 feel 4 were being felt A13 1 is 2 will be 3 will have been 4 isn't A14 1 will have had 2 will have 3 will be having 4 are having

1 год назад

Предмет: Українська мова, автор: eueuhehs

Пояснiть слова украiнськими вiдповiдниками: Iнтелект , гiпотеза, автономiя, прогрес, оптимальний

1 год назад

Предмет: Русский язык, автор: alaaaaaaa

Помогите пожалуйста!
Определите количество грамматических основ в предложении. Ответ запишите цифрой.

Конечно, каждое слово когда-то было неологизмом.

1 год назад

Предмет: Физика, автор: Bratas

Куб напів занурений у воду , лежить на дні посудини й тисне й тисне на нього із силою , яка дорівнюе третині діючої на куб сили тяжіння . Знайдіть густину речовини куба . густина води - 1000кг/м³

7 лет назад

Предмет: Английский язык, автор: Rikigood

Choose the correct word

7 лет назад