Question

State True or False. Give reason for your answer:

31. Every integer is a rational number.

32. The decimal representation of an irrational number is always terminating.

33. ( +

−1 + 2) is a polynomial.

34. The identity used to evaluate 305 x 308 is ( + )( + ) =

2 + ( + ) +

35. In the class intervals 10-20, 20-30, the number 20 is included in the interval 10-20.

36. The range of the data 12,25, 15, 18, 17, 20, 22, 6, 16, 11, 8, 19, 10, 30, 20, 32 is 18.

37. If the probability of winning a game is 0.6, then the probability of losing a game is

0.4.
38. A coin is tossed 200 times with the following outcomes:Head 112 times and

Tail 88 times. In a single throw of a coin the probability of getting a tail is 11

14

.

39. In Heron’s formula the term ‘s’ represents the perimeter of the triangle.

40. If the perimeter of an isosceles triangle is 48cm and the two equal sides are 14 cm

respectively then the third side is 16 cm.​

Answer 1

Answer:

31. true

32. true

33. true

34. i dont know

i dont know the rest