Question

18. Determine the value of d such that 15 = 3 (mod
19. Find the square root of the expression 12,4 14
20. What is called a square Matrix?
21. State Menelaus Theorem.
22. Show that the points P(-1.5, 3), Q (6,-2), R (-3. 4) are
collinear
3. Find the equation of a straight line which is parallel to the line
3x - 7y = 12 and passing through the point (6, 4).
24. Prove that tan’e - sin? 0 = tan? Osin? o.
23. The curved surface area of a right circular cylinder of height 14
cn is 88 cm2. Find the diameter of the cylinder.
26. If the base area of a hemispherical solid is 1386 sq. metres then
find its total surface area?
27. The mean of a data is 25.6 and its coefficient of variation is
18.75. Find the standard deviation.
28. Find the number of terms in the A.P. 3, 6, 9, 12, ......, 111?​

Answer 1

Step-by-step explanation:

this question is so big