Rewrite following sentences so that it stays the same as the first: 1. This necklace belonged to my mother-in-law. This______________________________________ 2. I don’t like being alone in the house at night. I don’t like__________________________________ 3. If you decorate the house on your own, it will be cheaper. If you decorate_______________________________ 4. No one helped me repair the roof, you know. I repaired the roof_____________________________ 5. Grahambell was the man who invented the telephone, wasn’t he? Grahambell was_______________________________, wasn’t he? 6. He prefers to live alone rather than share a flat. He prefers to live on_______________________________

Cho tg ABC A= 90* biết AB + AC = 49 cm, AB- ac = 7CM. Tính cạnh BC

giải bài 3 câu 1,3,5 hộ mình nha

$\sqrt{2x+5}=\sqrt{1-x}$ Giải phương trình

giúp mình từ câu 7-10 với ạ .cảm ơn ạ

Em muốn hỏi bài này ạ:(((( Em cám ơn thầy cô

Rút gọn căn thức : $\sqrt{25x^2+3x}$ (x $\geq$ 0 )

III.Rewrite the underlined phrases in the following text, using question words + to-infinitives. In our Life Skills lesson last week, our class had a visit from a Fire Safety Offi cer, and this is what he told us: ‘Today I’m going to tell you (1) what you should do in case of fire. If there is a fire, keep calm. Be sure you know (2) where you can fi ndthe nearest exit or stairway. Do not use the lift. Before you leave, close all the doors behind you. You should know (3) how you could activate the fi re alarm, and then shout ‘fir e’. You should know (4) what number you should call to report the fi re and ask for help. In Viet Nam, it's number 114. The number is toll-free and you can call it any time from either a mobile or a landline without dealing area codes.’

mình chỉ cần đáp án nhưng phải đúng nhe

Bạn hãy chọn đáp án đúng để điền vào ô trống. Cho đơn thức A=−5/3 x^2 .(−6x^5). Giá trị của đơn thức A khi x=−2 bằng ... .