Ответ по предмету Алгебра: вычислите: log4 5+log4 25+ log4 2/125 упростите выражение: 1-cos^2x/cos^2x вычислите: log5 22-log5 11-log5 10

Предмет: Химия, автор: sobakazabiyaka

Дано комплексное соединение Ba[Cu(CN)2Cl2]
1. Укажите: а) внутреннюю и внешнюю сферы, их заряды; б) комплексообразователь, его координационное число и заряд; в) лиганды и
их заряд.

7 лет назад

Предмет: Английский язык, автор: Аноним

Task 1.Read the dialogue.
Travel Agent: Freedom Travel. How may I help you?
Caller: Yes, I’d like to make a flight reservation for the twenty-third of this month.
Travel Agent: Okay. What is your destination?
Caller: Well. I’m flying to Helsinki, Finland.
Travel Agent: Okay. Let me check what flights are available? [Okay] And when will you be returning?
Caller: Uh, well, I’d like to catch a return flight on the twenty-ninth. Oh, and I’d like the cheapest flight available.
Travel Agent: Okay. Let me see. Um, hmm . . .
Caller: Yeah?
Travel Agent: Well, the price for the flight is almost double the price you would pay if you leave the day before.
Caller: Whoo. Let’s go with the cheaper flight. By the way, how much is it?
Travel Agent: It’s only $980.
Caller: Alright. Well, let’s go with that.
Travel Agent: Okay. That’s flight 1070 from Salt Lake City to New York, Kennedy Airport, transferring to flight 90 from Kennedy to Helsinki.
Caller: And what are the departure and arrival times for each of those flights?
Travel Agent: It leaves Salt Lake City at 10:00 AM, arriving in New York at 4:35 PM, then transferring to flight 90 at 5:55 PM, and arriving in Helsinki at 8:30 AM the next day.
Caller: Alright. And, uh, I’d like to request a vegetarian meal.
Travel Agent: Sure, no problem. And could I have you name please?

Task 1. Choose the right answer A, B, C or D.
1. What date is flight reservation going to be?
A) 21
B) 22
C) 23
D) 24

What is the man's destination?
A) Salt Lake City, USA
B) New York City, USA
C) Helsinki, Finland
D) Stockholm, Sweden

3. When is the man's departure date?
A) the twenty-first
B) the twenty-second
C) the twenty-third
D) the twenty-ninth

4. What is the flight number for the second half of his journey?
A) 555
B) 90
C) 1070
D) 830

5. How long is the man's layover between flights?
A) less than an hour
B) less than two hours
C) less than three hours
D) more than three hours

6. What request did the man make regarding his flight?
A) He asked for a specially-prepared dinner.
B) He wanted an aisle seat.
C) He requested a bassinet for his baby.
D) He asked for a seat near the front of the plane.
Writing Task 2.Choose the correct form of the verb.
1.We went/ ‘ve been to the seaside last summer.
2.I finished / ‘ve finished my homework. Can I go out now?
3.I was /‘ve been ill three months ago.
4.Have you been / Did you to the shop? I need some stamps.
5.My hobby is fishing. I’ve caught / caught a lot of fish.
6.Jenny is in Oxford today, but she was /has been in London yesterday.

7 лет назад

Предмет: Математика, автор: Galaxy303

Помогите пожалуйста, с решением плз! Железный кубик имеет массу 3 кг. Какая масса будет у другого железного кубика (в кг), если длина его ребра в два раза больше по сравнению с исходным?

7 лет назад

Предмет: Математика, автор: владислава26

Вычислите: а)2/11*33/48*12/21 б)27*(2/3)2*1 целых 7/8 в)0,125*5 целых 1/3*3/4

10 лет назад

Предмет: Математика, автор: demon1978

Сравнить дроби 0 и 14/15

10 лет назад

вычислите: log4 5+log4 25+ log4 2/125 упростите выражение: 1-cos^2x/cos^2xвычислите: log5 22-log5 11-log5 10

Ответы

вычислите: log4 5+log4 25+ log4 2/125
упростите выражение: 1-cos^2x/cos^2x
вычислите: log5 22-log5 11-log5 10