Question

a) A toy is in the form of a cone mounted on a cylinder with the same radius. The slant height
and the diameter of the base of the conical portion is 10 cm and 12 cm respectively. The total
height of toy is 21 cm. Determine the volume of the toy.
b) The following table shows the expenditure of 60 boys on books. Find the mode of their
expenditure.
Expenditure (3)
20-25 25-30 30-35 35-40 40-45 45-50
No of students
4
7
23
18
6
2
c) Given | [-+- ?]
| M = 6 I, where M is a matrix and I is unit matrix of order 2 x 2
(i) State the order of matrix M. (ii) Find the matrix M.​

Answer 1

Answer:

Step-by-step explanation:

Fó7ftis58eí6z 8w86ße9s84w4àu5à4z7s6285ßß58ey9e8w75e86d8ecídst

Answer 2

Answer:

mode is 30-35 and order of matrix m is 2by 2 matrix m is 6 6 6 6

Step-by-step explanation:

unit matrix is 1111 when multiplied by 6 it becomes 6 6 6 6