Question

10. Find the value of K such that x =2, y = 1 is a solution of 3x + 2y = k.
11. The diameter of a right circular cone is 12 m and the slant height 10 m. find its total surface area.
12. In which quadrant or on which axis do each of the points lie:​

Answer 1

Answer:

if x=2and y=1

so,3×2+2×1=I

6+2=k

8=k