Để có một lượng nhiệt là 77.10ʻJ thì cần đốt cháy bao nhiêu kg than bùn? Biết năng suất tỏa nhiệt của than bùn là 14.10 mũ 6 j/kg

Vẽ mình con chó (vẽ đơn giản thôi)

5/ What sort of research are they doing in the laborotary ? - What sort of research is ___________________________________________? 6/ You should place matches out of reach of children. -Matches _________________________________________________________ 7/ People say that inflation is getting out of control. -Inflation _________________________________________________________ 8/ We’ll have finished all the work by the weekend. - All the work _____________________________________________________ 9/ I heard her singing very beautifully. -She ____________________________________________________________ 10/ Scientists started discovering the universe thousands of years ago. -The universe started _______________________________________________ 11/ Nothing can be gained without effort. -We ____________________________________________________________ 12/ The robbers forced the bank manager to hand over the money. - The bank manager _______________________________________________ 13/ They let us go into the hall without an invitation card. -We ____________________________________________________________ 14/ The police stopped Tom on the highway and made him show his I.D card. - Tom ____________________________________________________________ 15/ Write your address on the back of the cheque. -Let______________________________________________________________ 16/ Where did your child find the keys ? - Where were ____________________________________________________ 17/ Some people think he is a dangerous criminal. - He ____________________________________________________________ 18/ They will have to sign these documents. - These documents ________________________________________________ 19/ The workers are going to pull down that old building. - That old building_________________________________________________ 20/ No one told me the truth. - The truth _______________________________________________________

Tính + giải thích các bước giúp mình

Help me .-. Ai lm đúng trình bày đẹp vote 5 sao còn sai thì thôi .-.

làm và giải thik giúp vs ạ nhanh đúng mik vote tlhn ạ Cho dạng đúng của những từ trong ngoặc để tạo thành câu có nghĩa. 1. It (be)………………a fact that smart phone (help)………………..us a lot in our life. 2. I often (travel)………………..to some of my favorite destinations every summer. 3. Our Math lesson usually (finish)…………………….at 4.00 p.m. 4. The reason why Susan (not eat)……………………….meat is that she (be)…………a vegetarian. 5. People in Ho Chi Minh City (be)………..very friendly and they (smile)………………a lot. 6. The flight (start)………………..at 6 a.m every Thursday. 7. Peter (not study)…………………………very hard. He never gets high scores. 8. I like oranges and she (like)……………..apples. 9. My mom and my sister (cook)…………………….lunch everyday. 10. They (have)…………………breakfast together every morning.

cho tam giác ABC có góc C= góc 2A+góc B và góc B> góc A.cmr: AB²=BC²+AB.AC Giúp mình vs ạ

giải phương trình ( chi tiết ) : -2x^2 + 8x - 3 = 0

Cho mình hỏi câu này làm thế nào : I ... at school

NLXH trình bày suy nghĩ về sức mạnh của tình yêu thương trong cuộc sống.gấp với làm ơn