Ответ:
1. В;
2. 2)
3. 12x-29,5y;
4.Б;
5. S=πR-2
S=3,14•12=3,14•196=615,44
6. A(3;3)
B(-2;2)
C(-3;-1)
D(3;-2)
7. 5(4n-2)+8(2n-1)
20n-10+16n-8
36n-18
36•(-3)-18
-108-18= -128
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
1. В;
2. 2)
3. 12x-29,5y;
4.Б;
5. S=πR-2
S=3,14•12=3,14•196=615,44
6. A(3;3)
B(-2;2)
C(-3;-1)
D(3;-2)
7. 5(4n-2)+8(2n-1)
20n-10+16n-8
36n-18
36•(-3)-18
-108-18= -128