Mọi người giúp em câu này vs, e cảm ơn Believe in yourself and nothing can stop you -> If you
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PT
11 tháng 5 2021
Currently, the development of COVID-19 is very complicated, so students are away from school and living at home to prevent infection. We often spend a lot of time together during the school year, so it is imperative that wash your hands often, especially before eating, after blowing your nose, and after using the toilet. And more importantly, we should wear a mask when recommended by the school and authorities and should be worn properly. We have to make a correct minimum distance of 1.5 m with people. Airborne respiratory viruses exist in saliva droplets when someone sneezes or coughs. So cover your nose and mouth when you sneeze or cough with a tissue or cough and sneeze into your elbow. We love to share utensils, favorite toys and cups with friends, but do not share eating utensils with friends, especially during flu season and other respiratory illnesses. It is important to comply in order to best prevent the Covid-19 epidemic.
6 tháng 9 2021
Đặt y = f(x) = - 2x2 có đồ thị (C)
và y = g(x) = - 2x2 - 6x + 3 có đồ thị (C')
Ta có :
g(x) = - 2x2 - 6x + 3
= - 2\(\left(x^2+3x-\dfrac{3}{2}\right)\)
= - 2\(\left(x+\dfrac{3}{2}\right)^2\) + \(\dfrac{15}{2}\)
= \(f\left(x+\dfrac{3}{2}\right)+\dfrac{15}{2}\)
Vậy tịnh tiến (C) sang trái \(\dfrac{3}{2}\) đơn vị rồi kéo (C) lên trên \(\dfrac{15}{4}\) đơn vị ta được (C')
DT
Đỗ Thanh Hải
CTVVIP
10 tháng 4 2021
Do you ever wonder what to do with yourself in your (21) .....free........... time? Do you sometimes have nothing to do? Yes, you can ring a friend and (22) ..............chat............... to each other. You can keep yourself amused by watching TV or playing on the computer. Nevertheless, there are lots of (23) .............other.......... more interesting things you could do
Some people like to try to improve (24) .......themselves....... by learning how to draw, or play a musical instrument. Some people join (25) ........organzitions....... that help in the loca; community. For example, you can help by visiting an elderly neighbour who lives by himself or herself. You can also join the Scouts or a similar organization where the members do lots of things to (26) ...............help................... each other as well as other people in the community
Everybody has (27) .........something........ to offer! It doesn’t have to be anything big and nobody has to know about it! Go on, think of something you can do and make a (28) ..........difference....... !
10 tháng 4 2021
Chọn từ phù hợp để điền vào chỗ trống
help | organzitions | difference | other |
chat | something | free | themselves |
Do you ever wonder what to do with yourself in your (21) ......free.......... time? Do you sometimes have nothing to do? Yes, you can ring a friend and (22) ..................chat........... to each other. You can keep yourself amused by watching TV or playing on the computer. Nevertheless, there are lots of (23) .............other.......... more interesting things you could do
Some people like to try to improve (24) ......themselves........ by learning how to draw, or play a musical instrument. Some people join (25) ........organizations....... that help in the loca; community. For example, you can help by visiting an elderly neighbour who lives by himself or herself. You can also join the Scouts or a similar organization where the members do lots of things to (26) ................help.................. each other as well as other people in the community
Everybody has (27) ......something........... to offer! It doesn’t have to be anything big and nobody has to know about it! Go on, think of something you can do and make a (28) ........difference......... !
NH
2
TT
1
If you believe in yourself, you won't be stopped. ( em ko chắc lắm ạ)