Предмет: Алгебра, автор: viikttoriia

Знайдіть значення многочлена:

а) 4х2 + 9х – 4х + 2, якщо х = 2;

б) 2bc + 2,5bc – 3 – 5bc, якщо b = 1,5; c = –4.
срочно!!!!!

Ответы

Автор ответа: nk36

1

Ответ:

а) 28

б) 0

Объяснение:

Автор ответа: pelehaolga

2

Ответ=:

а) 4х2 + 9х – 4х + 2, якщо х = 2 то,

4x2 + 9x2 - 4x2 + 2

9x2 + 2

18 + 2 = 20

б) 2bc + 2,5bc – 3 – 5bc, якщо b = 1,5; c = –4 то,

2x1,5x-4+ 2,5x1,5x-4 - 3 - 5x1,5x-4

- 12 - 15 - 3 + 30 = 0

Объяснение:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: kirabezruk2011

Task 2. Put if the statement is true or put "-" if the statement is false. 1. David Brown is an English boy. 2. Greenwich is far from London. 3. His school's address is 21, Green Street. - 4. His school is far from his house. 5. His lessons begin at 8 o'clock in the morning. 6. He has three lessons after dinner. 7. All pupils have dinner at school. 8. Ha has a big break at school. 9. David has his supper at 5 o'clock in the evening. 10. Before going to bed he usually has some бьласка бистріше

1 год назад

Предмет: Английский язык, автор: oleksandrleskiv697

Put the adjectives into the comparative
bunt than
or superlative form. Add any necessary words.
(= I can't
rerbs but nd shows is wanted
 There is ry more. entences, n't have
ves
1 A: Did you have a good time at the cinema?
B: Yes, it was the funniest (funny) film I've ever seen!
2 A: Susan is girl in the class.
B: Maybe, but Lucy is (sweet).
... (pretty)
3 A: Did you like the restaurant?
B: Yes, and the food was
....... (cheap) | expected.
htive
4 A: Let's go on the roller coaster!
... (exciting)
B: OK! It's
all the rides in the amusement park.
(tall) Carl.
lative nest
5 A: I'm as
B: Yes, but Carl is two years
• (young) you!
Даю 70 балов

1 год назад

Предмет: Английский язык, автор: bojbanbaiaktolkyn

Task 4. Change into different tenses. (25 points) 1. There are still some rich people in the world. 2. There were many more some thirty years ago. 3. Rich people do have their problems. 4. At that time I myself was fifteen. 5. My uncle Octavian was then a rich man. 6. He was a charming and accomplished host. 7. She turned her hand gracefully towards my uncle. 8. Then she took off the ring and held it out to him. 9. I was glad to go back to England and to school a few days later.

1 год назад

Предмет: Алгебра, автор: Ketcataha

Реши систему уравнений
{10x−2y=2
{−4x+4y=20
{x=
{y=

6 лет назад

Предмет: Русский язык, автор: 2121215

пожалуйста помогите мне срочно нужено

6 лет назад