Предмет: Алгебра, автор: aosipov2202

Выбери правильный вариант ответа.
Значение выражения −5a⋅2a равно
5a
−10a2
10a
−5a2

Ответы

Автор ответа: Аноним
5

\displaystyle-5a*2a=-10a^1*a^1=-10a^1^+^1=-10a^2

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: alinkaromanovn1
Cроооооооооооооооочно!
Помогите!!
In the past, I 1____ be really keen on motorbikes, and one summer, when I was seventeen, a biker friend 2____ me to join him at a motorbike festival in Wales. He said that we could camp at the festival and that he had plenty of room in his tent for me.
We got up early on the Saturday morning and got on our motorbikes for the five-hour drive to Wales. My bike was going well 3____ first, but then it 4____ broke down. I 5____ that I didn’t have enough petrol in my bike before we left home. I had to push my bike to the next petrol station, which was about three miles away! After about an hour, we reached the petrol station and filled up my bike! Then we continued on our long journey to the festival.
When we turned 6____ at the campsite near the festival, it 7____ hard and really cold. So I was really 8____ when I found out that my friend’s tent was only a two-person tent, and he 9____ sixteen people to stay in it! Luckily, one of the other people had brought another, larger tent, so there was enough room for us all, 10____ the end!

1. A use B use to C used D used to
2. A had invited B invited C was invited D was inviting
3. A at B by C in D to
4. A initially B finally C fortunately D suddenly
5. A didn’t realise B hadn’t realised C had realised D realised
6. A down B into C out D up
7. A had rained B rained C raining D was raining
8. A ashamed B embarrassed C guilty D irritated
9. A asked B had asked C was asked D was asking
10. A by B for C in D with
1 год назад
Предмет: Другие предметы, автор: rovshan19951995
Помогите пожалуйста с рисованием. Что такое декорация?1)элементы сцены 2)украшение объекта
1 год назад
Предмет: Русский язык, автор: sopo3018
Расскажите о склонений имён прилагательных и причастий ,а также про их правописаний
1 год назад
Предмет: Физика, автор: suzemzentrpmss
Велосипедист первую половину пути ехал со скоростью 12км/ч.А вторую половину со скоростью 10км/ч.Найти среднюю скорость
8 лет назад
Предмет: Алгебра, автор: dDeVoChKa
Помогите.....( Алгебра....(
8 лет назад