Предмет: Математика, автор: Аноним

Если a=9, x – число, противоположное a, y – число, обратное a,
то значение выражения x2y равно

Ответы

Автор ответа: nastasiya98

0

x=-9
y=1/9
-9*2*1/9=-2
Ответ:-2

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Қазақ тiлi, автор: даниил1110

две пословицы на тему семья и две на тему здоровье.на казахском языке

2 года назад

Предмет: Қазақ тiлi, автор: roza130

Аямас жане беретін деген созге соз қурамын талдау

2 года назад

Предмет: Английский язык, автор: OlenevaK

Выберите правильный вариант предложения в косвенной речи.
1. "What we need is not threats but an offer to help." - He remarked that ...
a) what we needed is not threats but an offer to help.
b) what they needed is not threats but an offer to help.
c) what they needed was not threats but an offer to help.

2. "I am an optimist." - He said ...
a) he was an optimist.
b) he would be an optimist.
c) he had been an opitmist.

3. "Stay where you are!" - They told him ...
a) to stay where he was.
b) to stay where he is.
c) to stay where he had been.

4. "Robert came to see me about once a month." - His mother told us, that ...
a) he came to see her about once a month.
b) he had come to see she about once a month.
c) he had come to see her about once a month.

5. "Hostilities must be halted immediately." - We agreed, that ...
a) hostilities had to be halted immediately.
b) hostilities must be halted immediately.
c) hostilities were had to be halted immediately.

6. "I saw Helen in the office this very morning." - During his interrogation on March 17 he
claimed, that ...
a) he had seen her in the office that very morning.
b) he has seen her in the office that very morning.
c) he saw her in the office that very morning.

2 года назад

Предмет: Математика, автор: Heavsh

БЕСПЛАТНО 20 БАЛЛОВ
Расположите по возрастанию -0,02 0,09 0,11 0,098

8 лет назад

Предмет: Математика, автор: deannagizatullina200

Реши уравнение:
13y+3=20−16y

8 лет назад