Предмет: Алгебра, автор: titantitan201

Прмогите СРОЧНО!Решить логарифмическое уравнение
log0,2(3x-5)=log0,2(x+1)

Ответы

Автор ответа: oryntainurpiis
0
Так как основания логарифмов равны, тогда
3х-5=х+1
2х=6
х=3
Похожие вопросы
Предмет: Математика, автор: medinadusenbaeva
Предмет: Английский язык, автор: ezavod3
1. Complete the sentences. Use Present Simple.
1. Tom always gets to school early. (get)
2. I ______________TV very often. (watch)
3. Lisa ____________her hair every morning. (wash)
4. My parents _____________ in a big company. (work)
5. Helen ______________ not far from the zoo. (live)
6. They _____________to the gym every day. (go)
7. Julia ______________her homework every evening. (do)
2. Write the negative and interrogative
1. Elephants eat tigers.
Elephants do not eat tigers.
Do elephants eat tigers?
2. Bears fly.
__________________________________________________________
__________________________________________________________
3. I like snakes and spiders.
__________________________________________________________
__________________________________________________________
4. She finds monkeys noisy.
__________________________________________________________
__________________________________________________________
5. Giraffes live in Europe.
__________________________________________________________
__________________________________________________________

6. Peacocks are noisy.
__________________________________________________________
__________________________________________________________
7. We work very hard.
__________________________________________________________
__________________________________________________________
8. You do your morning exercises every morning.
__________________________________________________________
__________________________________________________________
9. Kate knows Tom’s telephone number.
__________________________________________________________
__________________________________________________________
10. He feeds his dog seven times a day.
__________________________________________________________
__________________________________________________________
3. Write short answers.
1. Do you often go to the zoo?
- Yes, I do.
2. Does it rain a lot in Moscow?
_________________________
3. Do you sing a lot?
_______________________
4. Do you often skate?
_______________________
5. Do you play the guitar?
_____________________
Предмет: Математика, автор: vlad200883