Предмет: Алгебра, автор: olgalavrova69

Помогите с логарифмами(

Приложения:

Ответы

Автор ответа: MizoriesKun

0

㏒₁/₂(7-2х) +㏒₁/₂ 1/8 = ㏒₁/₂ 15 ОДЗ 7-2х >0 ; x< 3,5

㏒₁/₂(7-2х) = ㏒₁/₂ 15 - ㏒₁/₂ 1/8

㏒₁/₂(7-2х) = ㏒₁/₂ 15 : 1/8

㏒₁/₂(7-2х) = ㏒₁/₂ 120

7 - 2х = 120

-2х = 113

х= - 56,5

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: Sogdiana900128

помоги пожалуйста срочно

6 лет назад

Предмет: Математика, автор: aksellbolt40

(x7 – p5)(x7 +p5) подайте у вигляді многочлена

6 лет назад

Предмет: Английский язык, автор: ahotika

Choose the right option.

1. If you _________________________ a headache, go to the doctor.

would having
would have
will have
have
have had
2. If teenagers ___________________ sports, they will be strong and fast.

plays
playing
will play
play
would play
3. If Kathy had a lot of money, she ____________ a new house in the countryside.

buys
would have bought
will buy
buy
would buy
4. If Mike and Helen _______________________ time, they would paint the house.

would have
have
will have
having
had
5. If Jenny had remembered earlier, she ______________ her friend a birthday present.

have sent
would send
sent
will send
would have sent
6. If Lulu _____________ some money, she would have been able to eat out more often.

will save
saved
save
would save
had saved
7. If I hadn’t woken up early, I would / late / have been / work / for.

I would have been late for work
work have been late for I would
I work been late have for would
8. If you had looked both ways before crossing the street, wouldn’t / been / you / have / knocked / down.

you wouldn’t have been knocked down
down you knocked been wouldn’t have
you have knocked been down wouldn’t
9. If Jim studies well, he / a university / enter / will / next / year.

he will enter a university next year
a university he will enter next year
next year he enter will a university

6 лет назад

Предмет: Литература, автор: добро1112

один из весених праздников?

10 лет назад

Предмет: Математика, автор: 1003441

Срочно срочно!!!! Помогите решить задачу и записать в виде выражения:

10 лет назад