một người bán được 1 tạ rưỡi gạo nếp và gạo tẻ , trong đó 42% là gao nếp . hỏi người đó bán bao nhiêu cân mỗi loại

Tìm x 2x^2 + 3(x - 1)(x + 1) = 5x(x + 1)

Giúp mình giải bài này với ạ cảm ơn nhiều

Mn ơi giúp mình phần a,b,c,d,e,f vs ạ khó quá mình k làm đc cảm ơn nhiều ạ

Mọi người ơi giải giùm mình bài này với được không, câu 5b thôi, cảm ơn nhiều nhaaaaa

Làm giúp mình bài 4 câu e với Đây là bài tập nghỉ dịch Giúp mình nhé mình cần gấp

Giúp mình trả lời các câu hỏi này nha

0,75+5/9÷x=11/2 0,75-5/9÷x=11/2 0,75.5/9÷x=11/2 0,75÷5/9÷x=11/2

Bài 5: Lựa chọn và điền dạng đúng của động từ quá khứ đơn: teach ,cook; want ;spend; ring be; sleep ;study; go; write 1. She……….out with her boyfriend last night. 2. Laura……….a meal yesterday afternoon. 3. Mozart……….more than 600 pieces of music. 4. I……….tired when I came home. 5. The bed was very comfortable so they ……….very well. 6. Jamie passed the exam because he……….very hard. 7. My father……….the teenagers to drive when he was alive. 8. Dave……….to make a fire but there was no wood. 9. The little boy……….hours in his room making his toys. 10. The telephone……….several times and then stopped before I could answer it.

I. Choose the word whose underlined part is pronounced differently from the others. 1. a. myth b. cycling c. itchy d. allergy 2. a. headache b. spread c. health d. weak 3. a. fat b. leaf c. of d. safe 4. a. flu b. sunburn c. junk d. much 5. a. wash b. wear c. wake d. wrap II. Choose the odd one out. 1. a. running b. coughing c. cycling d. swimming 2. a. vegetables b. fish c. fried chicken d. fruits 3. a. cold b. cough c. stuffy nose d. sunburn 4. a. soda b. milk c. fruit Juice d. water 5. a. fever b. health c. obesity d. headache III. Choose the best answer a, b, c, or d to complete the sentence. 1. Please wake me ________ at 5 and we will leave at 6 in the morning. a. up b. on c. over d. in 2. If you want to ________ weight, you should follow a low-fat diet. a. lose b. gain c. put on d. take 3. Junk foods are high in fat, sodium and sugar, which can lead to ________. a. fever b. allergy c. obesity d. stomachache 4. He looks so ________. He can’t keep his eyes open! a. happy b. tired c. healthy d. fit 5. If you want to stay healthy, eat ________ vegetables, whole grains, fruit and fish. a. much b. fewer c. more d. less 6. Fruit tastes good ________ it’s healthy for your body. a. so b.but c. or d. and 7. You are ________ you eat, so don’t eat unhealthy foods. a. what b.who c. which d. that 8. She looks very tired. She should work ________ or she will get sick. a. well b. less c. more d. enough 9. She stays in ________ by exercising daily and eating well. a. health b. fit b. size d. shape 10. Don’t sit too close to the screen, ________. a. and you’ll hurt your eyes b. so you can see more clearly c. or you’ll get a headache d. but it’s bad for your health