Đáp án: `12`
Giải thích các bước giải:
`b,(x-2)^3-(x+5)(x^2-5x+25)+6x^2=11`
`<=>x^3-6x^2+12x-8-x^3-125+6x^2-11=0`
`<=>12x-144=0`
`<=>12x=144`
`<=>x=12`
làm hộ ik: 245-4 ×[16÷8+2×(4×3mũ 2 -9)]
CỨU E VỚI TỐI NỘP R <Check giúp mấy câu khác vì cùng nộp tối>
Read the following passage and write T (true) or F (false) for each statement. How many calories can you burn in one hour? Well, it all depends on the activity. You use calories all the time, even when you are resting. Reading, sleeping, sitting and sunbathing all use about 60 calories an hour. Very light activities use 75 calories. Examples are eating, writing, knitting, shaving, driving and washing up. Light activities which use about 100 calories an hour include playing the piano, getting dressed and having a shower. Under moderate activities which use between 100 and 200 calories an hour we can put walking, doing housework, shopping and skating. Energetic activities use 200-400 calories. Those activities include horse riding, cycling, swimming, skipping and dancing. Finally there are strenuous activities which use up to 600 calories an hour. These activities include climbing stairs, jogging, digging the garden and playing football. 1. Horse riding uses the most amount of calories. 2. Reading uses as many calories as writing. 3. The calories we burn for eating and washing up are the same. 4. Walking is a very light activity. 5. Sunbathing uses more calories than driving. 6. When we are resting, we don’t burn calories. 7. Having a shower uses only 100 calories an hour. 8. Cycling and dancing use the same amount of calories 9. Playing football uses fewer calories than swimming. 10. The amount of calories we use an hour depends on the activity we do.
Chỉ ra tính chất đặc trưng: B={2,6,12,20,30}
Ê mọi người cứu e với ạ trước đi huhu :( TỐi phải nộp r
Làm hộ mình câu a Chỗ kia là trừ nha Ko phải bằng đâu Thx
Mọ người ơi giải giúp mk bài này vs
Hợp đồng lao động tiền lương bảo hiểm xã hội Giúp mjk vs ạ môn pháp luật
Talk about student's test score at school + Do you often get good marks at school ? + Have you ever got bad marks ? + How do you feel ? + What do your parents do/feel ? + Have you ever felt stressed ? + What will you do to make things better ? (mong mn trả lời nhanh giúp mình :> )
GIÚP MÌNH VỚI Ạ HỨA VT CTLHN VÀ 5* Ạ
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