Предмет: Математика, автор: anton8922

Вычисли значение выражения
1) n - 10 • (2n + 10), если n принимает значение: a) n= -10; б) n= 50

Ответы

Автор ответа: Ticher1997
1

Ответ:

Пошаговое объяснение:

-10-10*(2*(-10)+10)=-10-10*(-10)=-10-(-100)=-10+100=90

50-10(2*50+10)=50-10*110=50-1100=-1050

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: ludkitaewa
Помогите записать слова в две колонки : провряемык и непроверяемые - пассажир. посадка,чувство, дорога, метель, вокзал,узкий, потерял, магазин, участвовать, словарь, футбол, столица, коллекьтив, лестница, погода, большой, бассейн, антенна, гладкий, телеграмма
1 год назад
Предмет: Английский язык, автор: yulyasuhova2002
Read the text and answer the following questions.

ARE ALL THE SUBJECTS INTERESTING?
A
My name is Alison. The last lessons of the day are History and Maths. History is really boring, lots of reading and writing, of course. Besides, I think that everything was discovered before us.
It’s no use to study History, but Maths is really great.


B

My name is George. Everything is boring at school. I think it is no use in it at all. I can get any information I need from the Internet. Usually I spend my time doing chemical experiments at my father’s lab. Lots of interesting experiments were performed there. It’s really interesting!


C


My name is Ted. I’d like to be a pilot and work for a air-taxi firm. I study very hard. I study Geography, History and Maths especially hard because of my future profession. I don’t use only textbooks. I’ve read a lot of scientific magazines and history books too.


D


I am Andrew. Today, in the middle of the boring Mathematics lesson I started yawning. Miss Walsh looked at me just at the moment. What did she do? I was told to learn one page from our mathematics book by heart! And I wasted 3 hours on that nonsense.


Which of the children (A, B, C or D) ….

e.g. has many friends? D

1. thinks that everything they can get from the Internet? …………...
2. wants to be a pilot? ……………
3. learned the whole page by heart? ……………
4. does chemical experiments? ……………
5. started yawning at the lesson? ……………
6. reads scientific magazines? ……………
7. thinks that everything was discovered before them? ……………
1 год назад
Предмет: Английский язык, автор: Мармеладка09
Помогите пожалуйста весь✋
1 год назад
Предмет: Математика, автор: hus3ng
По данным арифметической прогрессии найдите:
а)а12(в индексе(снизу)) =-7 d =3
найти а1 и а8
8 лет назад
Предмет: Алгебра, автор: knopak00Rinrin
Решить уравнение log 2 ( x + 3) = log0,5 x
8 лет назад