4. M=-3

giải pt 

viết lại câu

35. People say that a number of local residents will interview the new president on TV.
36. It was believed that she showed her ticket to the airline agent.
37. People rumoured that she left her relatives five million pounds.
38. It is said that the shop assistant has handed these boxes to the customer.
39. It is reported that the school is admitting a large number of new pupils this year.

viết lại câu 

29. It is said that a lot of workers are repairing the streets this month.
30. They say that Peter makes these tools of plastic.
31. They claim that the company has finished the new product design.
32. People believe that Smithers painted 'Red Sunset' in 1986.
33. It was said that the manager didn't phone the secretary this morning.
34. It is said that Tim is ordering this train ticket for his mother.

A. PHONETICS

I. Choose the word that has the underlined part pronounced differently from the others'.

1. A. disadvantaged    B. handicapped           C. bored                      D. annoyed

2. A. donation             B. priority                   C. hopeless                  D. low-income

3. A. development      B. dedicated                C. devoted                   D. describe

4. A. development      B. improvement          C. documentary          D. environment

5. A. organisation       B. disadvantaged        C. meaningless           D. obvious

góc B=60 độ

cos30=AC/BC

AC=5căn3/2

Make questions for the underlined part of the sentence.

1. She clicked the mouse button.

...................................................................................................................................................

2. Mr. David robbed a bank.

...................................................................................................................................................

3. The house was built five years ago.

...................................................................................................................................................

4. The students respected their teacher.

...................................................................................................................................................

5. They welcomed the new student warmly.

...................................................................................................................................................

Chứng minh biểu thức không phụ thuộc vào biến x

\(E=sin^6x+cos^6x-2sin^4x-cos^4x+sin^2xn\)