Giúp mình bài này với ; ;
Viết lại câu
1. The soccer match couldn't take place due to the snow
The snow.......................
2. I'd rather he didn't hammer nails into the walls
I'd prefer........................
3. Our export industries can be greatly influenced by an increase in value of the dollar
An increase in value of the dollar can have,..................
K
Khách
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Những câu hỏi liên quan
3 tháng 4 2021
\(xy-2x+y+1=0\\ x\left(y-2\right)+\left(y-2\right)=-3\\ \left(x+1\right)\left(y-2\right)=-3\)
Lập bảng
| x+1 | 1 | 3 | -1 | -3 |
| y-2 | 3 | 1 | -3 | -1 |
| x | 0 | 2 | -2 | -4 |
| y | 5 | 3 | -1 | 1 |
Vậy \(\left(x;y\right)\in\left\{\left(0;5\right);\left(2;3\right);\left(-2;-1\right);\left(-4;1\right)\right\}\)
3 tháng 4 2021
xy−2x+y+1=0x(y−2)+(y−2)=−3(x+1)(y−2)=−3xy−2x+y+1=0x(y−2)+(y−2)=−3(x+1)(y−2)=−3
Lập bảng
| x+1 | 1 | 3 | -1 | -3 |
| y-2 | 3 | 1 | -3 | -1 |
| x | 0 | 2 | -2 | -4 |
| y | 5 | 3 | -1 | 1 |
Vậy (x;y)∈{(0;5);(2;3);(−2;−1);(−4;1)}
5 tháng 12 2021
\(R_{tđ}=\dfrac{R_1\cdot R_2}{R_1+R_2}=\dfrac{24\cdot12}{24+12}=8\Omega\)
\(I=\dfrac{U}{R}=\dfrac{12}{8}=1,5A\)
\(P=\dfrac{U^2}{R}=\dfrac{12^2}{8}=18W\)
\(Q_{tỏa1}=A_1=U_1\cdot I_1\cdot t=12\cdot\dfrac{12}{24}\cdot1\cdot3600=21600J\)
\(Q_{tỏa2}=A_2=U_2\cdot I_2\cdot t=12\cdot\dfrac{12}{12}\cdot1\cdot3600=43200J\)
G
7 tháng 1 2022
1. will be visited
2. Will this car be washed
3. will be prepared
4. will be fed
5. won’t be bought
6. Will our plan be developed
7. will be sold
8. will be done
9. will be completed
10. will be replaced
11. will be invested
12. will be instructed
13. will a new bridge be built
14. will be read
15. will be done
16. will be opened
17. will be written
18. will be picked up
19. will be driven
20. will be taken
3P
1
3 tháng 1 2022
Bài 1:
a: =5(x+2y)
b: =(x+y)(5x-7)
Bài 2:
a: \(=\dfrac{1+2}{xy}=\dfrac{3}{xy}\)
Viết lại câu
1. The soccer match couldn't take place due to the snow
The snow prevented the soccer match from taking place.
2. I'd rather he didn't hammer nails into the walls
I'd prefer him not to hammer nails into the walls.
3. Our export industries can be greatly influenced by an increase in value of the dollar
An increase in value of the dollar can have a great influence on our export industries.