Предмет: Алгебра, автор: brttt

Решите уравнение
0,04x²-1=0

Ответы

Автор ответа: 87ab5a4521

Ответ:

$0.04 {x}^{2} - 1 = 0 \\ {x}^{2} - 25 = 0 \\ (x - 5)(x + 5) = 0 \\ x - 5 = 0 \: \: x = 5 \\ x + 5 = 0 \: \: x = - 5$

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Қазақ тiлi, автор: Аноним

мини сочинение про пользу спорта для здоровья "спорт денсаулық кепілі"

3 года назад

Предмет: Английский язык, автор: leravalera2012

Read the letter and choose the right alternatives

Dear Ann,

I`m glad that you can come to Aberdeen in July. I`m sure you...(11) like it here.

I expect you`ll find it...(12) difficult to understand us in Scotland. We speak English, of course, but with a Scottish accent. We...(13) our own Scottish language, Gaelic. I can`t speak it. It`s very old and very difficult. Some people in the Western Isles still speak it.

Let me tell you a few things about Aberdeen. It`s the third largest city in Scotland after Edinburgh and Glasgow. It`s famous...(15) an oil town because there are a lot of oil rigs in...(16) North Sea. But don`t worry, the beaches are clean. You won`t be covered in oil when you...(17) out of the sea.

We live in a detached house not far...(18) the centre. It`s about twenty minutes...(19) bus. I`ve got a sister. She`s quite nice.

Well, I hope this information is interesting for you. Please write back and....(20) me about your family.

11. a) will b) are liking c) going to

12. a) little b) a little c) a few

13. a) have also b) have too c) also have

14. a) on b) at c) out

15. a) as b) like c) with

16. a) a b) the c) no article

17. a) would come b) will come c) come

18. a) near b) from c) at

19. a) by b) on c) in

20. a) say b) tell c) say to

3 года назад

Предмет: Английский язык, автор: Микушинка

Задание звучит так: Respond to the statements using the verds below. write responses in the future simple. buy, close,tidy, have ,answer 1) your bedroom is a mess! .... 2) your mobile phones is riging. .... 3) it is too cold in here! .... 4) would you like the blue or the red one?... 5) we have not got any bread. ....

3 года назад

Предмет: История, автор: зифирка15

большевики и меньшевики расходились в вопросе о
1)предоставлении нациям права на самоопределение
2)неизбежности капиталистической стадии развития россии
3)принцип кадрового пополнения и организации рсдрп
4)сохранении помещечей земельной собственности

9 лет назад

Предмет: Алгебра, автор: Nataska0528

Пожалуйста решите методом замены переменной
4x+3y+2z-1=0
2x-5y-3z-16=0
3x+2y+4z-4=0

9 лет назад

Решите уравнение0,04x²-1=0​

Ответы

Решите уравнение
0,04x²-1=0