Tìm a,b,c,d $\begin{cases} d=10\\a+b+c+d=12\\8a+4b+2c+d=4\\27a+9b+3c+d=1 \end{cases}$

Tú có 76 viên bi, số bi của An gấp 7 lần số bi của Tú. An cho Hùng 24 viên. Hỏi tổng số bi của 3 bạn là bao nhiêu?

Task 23 câu 1 em biết làm rồi ạ Xin mng giúp đỡ câu 2 em xin cảm ơn

cần gấp ạ ai giúp vs ko ôm slot nha

Vẽ một hệ trục tọa độ Oxy , đơn vị trên các trục là 1 cm. a, Vẽ ABC biết A(1;3);B( 2; 2);C(3; 2) . Tính diện tích tam giác ABC. b, Vẽ tam giác MNK biết M(0; 4); N( 5;0);K( 1; 1) . Tính diện tích tam giác MNK .

Nêu khí hậu của thiên nhiên Trung và Nam Mĩ Giúp em với ạ

đáp án thui nhanh lên ạ I. EXERCISE 1 : Add tag questions to the following 1/ They want to come,………………….? 2/ Elizabeth is a dentist, ……………….. ? 3/ They won’t be here, …………………? 4/ That is your umbrella, ………………….? 5/ There aren’t many people here yet, …………….. ? 6/ He has a bicycle,……………………? 7/ Peter would like to come with us to the party, ……………………..? 8/ Those aren’t Fred’s books, ….........................……? 9/ You have never been to Paris,…….............................……? 10/ Something is wrong with Jane today, …….............................…… ? 11/ Everyone can learn how to swim, ………...................................……… ? 12/ Nobody cheated in the exam, ………….........................……….. ? 13/ Nothing went wrong while I was gone, ……...................……....... ? 14/ I am invited, …………....................……….? 15/ This bridge is not very safe,…….....................………..? 16/ These sausages are delicious, ……..........................……….? 17/ You haven’t lived here long, …......................………? 18/ The weather forecast wasn’t very good, ……..................………. ? 19/ He’d better come to see me, ................................... ? 20/ You need to stay longer, ......................................................? 1, You came in a sports car,..........................? 2. We can sit on the grass in the park,..............................? 3. The weather forecast wasn’t very good,...............................? 4. Nothing can happen,.....................................? 5. I’d better go now,.............................? 6. Your bothers always learn hard,............................? 7. The number of rare animals is decreasing rapidly,.........................? 8. Dinosaurs became extinct millions of years,.......................? 9. Visitors do not help to preserve and protect national parks,..........................? 10. Noone has been there,............................................?

GIÚP MÌNH VỚI !!! HỨA VOTE5*+CẢM ƠN 1.………….been banned from driving, I was unable to rent a car on holiday. Being B. Having C. Being D. To 2.John enjoys being ………… around. A. bossing B. boss C. to boss D. bossed 3.They hated not having……….selected for the shortlist. A. been B. be C. being D. get 4.They are getting their uncle………them his cottage in the country. A.lend B. lending C. to be lending D. to lend 5.Michael deeply regretted not……..selected for the Olympic squad. A.to be B. having been C. to get D. been 6.The Opposition have asked for fuel taxes……….. A. be reduced B. to get reduced C. being reduced D. to be reduced 7.No problem. I’ll…………the figures printed out and on your desk by lunchtime. A.having B. be having C. have D. to get 8.I really didn’t expect this project………completed on schedule. A.having been B. to be C. being D. have 9.The cats love………cuddled and stroked. A.have B. having C. to have been D. to be 10.Theirs was probably the most glamorous wedding………featured in the pages of “Hello” magazine to date . A.getting B. to have been C. having D. have

Cần gấp lắm ak giúp vssss nhanh nha

Tính a,√x-2 √ x-1 ( √ đầu tiên là kéo dài i đến hết nha ) mng giải và giải thích chi tiết cách làm giúp e vs