Question

29. From the sum of 3r - y +11 and - y-11, subtract 3x - y
30. Subtract :- 78?_9x+57-3 from 6- 5x + 7x? - 9x?
31. Simplify:
(a) (-2)*(-4) (b) (-4)'x(-10)
32. Write no. of faces, edges and vertices of :-
(a) cube
(b) cone
[Section-D] 4 x 8 = 32 Marks
33. Find the area of the given figure :-
2cm
2 cm
2cm
1फ्रॉम द सम ऑफ थ्री एक्स माइनस वाई प्लस 11 एंड -1 - 11 चैप्टर 13 एक्स माइनस वाई माइनस 11 ​

Answer 1

Step-by-step explanation:

que no 29

3x-y plus 11 -y-11-3x-y

3x-2y-3x-y

-3y is answer of this question