Cho tam giác ABC biết A (1,-3), B( 3,-5) , C ( 2, -2) . Tìm tọa độ

a. Giao điểm E của BC với phân giác trong của góc A

b. Giao điểm F của BC với phân giác ngoài của góc A

1. We had no money so we could not get in the private park

--> Having.................................

2 . do you own these cars?

--> Do these ..............................

3 . they arrived on time although the flight was delayed fifteen minutes

--> Despite.. ...............................

4 . everybody is taking about that man. He leads a simple but dignified life.

--> that man......................,.......

5 . it was impossible to complete the work on time.

--> i found ... ... ... . .. . . .. ... . .

6 . peter did not get the scholaship so he could not continue his study.

--> had.................................

7 . the concert had been delayed for an hour and it started at 8 o'clock.

--> having ................................

8 he cannot walk any longer because of his tiredness.

--> he is so .......,....................

1 .Viết các tập hợp sau bằng cách chỉ rõ tính chất đặc trưng

a) E = Tập hợp các điểm thuộc đường trung trực của đoạn thẳng AB.

b) H = Tập hợp các điểm thuộc đường tròn tâm I cho trước và có bán kính bằng 5

1. i've never been eaten snails before

ever/ this is ...............................................snails.

2. eventually he succeeded in making her answer the question.

managed/ eventually he........................................the question.

3. we really ought go home now.

went/ it's................................................home.

4. the south of England is drier than the North.

Rain/ there is not ...........................................as in the north.

5. i had expected the weather to be worse

bad / the weather ..........................as i had expected.

1)she wants someone to make her a new dress

-made/she wants .................................................................by someone

2)she prefers reading to watching TV

than/she.........................................................................to watch TV

NaIOx+SO2+H2O--> I2+Na2SO4+H2SO4

Use the words or phrases given to write meaningful sentence

1. Cholesterol / need / by the body / keep producing healthy cells.

2. However / having / high cholesterol / put / you /at risk / heart disease.

3. Fast food / like / hamburgers , fries and fried chicken / high / fat / but / you / replace / these foods / healthier options / broiled sandwiches , or salads .

4. Meat, poultry and fish /food / health / when / taken /regulated quantily.

5. We / advoid / all the foods / which / contribute / the cholesterol / body / not use.

Cho hình bình hành ABCD ; I là trung điểm AB . Tìm M để \(\left|\overrightarrow{AB}+\overrightarrow{MB}+\overrightarrow{MC}+\overrightarrow{MD}\right|\) nhỏ nhất

xét tính chẳn , lẻ f(x) = \(\frac{x^3}{x^2+1}\)

E= (-3;2) , tìm m sao cho E giao [ m;m+1] = ∅