The sea was too rough for the children to go swimming

We looked forward to hear our teacher near future

If he hasn't been late for work every morning he wouldn't had lost his job

Because of her good behaviour,everybody loves her

This coat isn't big enough for me to wear it 

She suggested he applying for a job

If I were you I wouldn't eat so much sugar

Minh Nguyệt nhu the thi giai kieu gi : D ?

bạn viết rõ đề ra được không ???

gọi vận tốc xe tải là x(km/h) x>0 

vận tốc xe du lịch là x+10(km/h)

thời gian xe tải đến B là 100/x (h)

thời gian xe du lịch đi đến B là 100/(x+10) (h)

biết 2 xe cùng đến B và xe du lịch khởi hành sau oto 30p => ta có ptr

\(\dfrac{100}{x}-\dfrac{1}{2}=\dfrac{100}{x+10}\)

giải ra => x=40 (tm)

kl: vậy ... (chú ý đề hỏi thời gian 2 xe đi hết ab 

b 

HCl + AgNO3 -> HNO3 + AgCl

H2S + AgNO3 -> HNO3 + Ag2S

H3PO4 + AgNO3 -> HNO3 + Ag3PO4

H2SO4 + AgNO3 -> HNO3 + Ag2SO4

BaCl2 + H2SO4 -> BaSO4 + HCl

mà \(\dfrac{3\Pi}{2}< a< 2\Pi=>sin< 0\)

\(sin^2a=1-cos^2a=1-\left(\dfrac{6}{13}\right)^2=\dfrac{133}{169}=>sina=-\dfrac{\sqrt{133}}{13}\)

O2

CuO

Fe2O3

PbO

I had to cancel the birthday party because my closest friend is seriously ill.

=> I had to cancel the birthday party because of my closet friend’s serious illness.

2.  Hung will write an essay on the life of President Ho Chi Minh.

=> An essay on the life of President Ho Chi Minh will be written by Hung.

3.  I regret not visiting my grandparents last weekend.

=> I wished I visited my grandparents the last weekend.

4.  Although he came late he gained the highest result.

=> In spite of having come late, he gained the highest result.

5.  We didn’t know that Lan had an accident, so we couldn’t visit her.

=> If we knew Lan had an accident, we could visit her.