The numbers from 0 to 40 are:
(0 = zero)
1 = one
2 = two
3 = three
4 = four
5 = five
6 = six
7 = seven
8 = eight
9 = nine
10 = ten
11 = eleven
12 = twelve
13 = thirteen
14 = fourteen
15 = fifteen
16 = sixteen
17 = seventeen
18 = eighteen
19 = nineteen
20 = twenty
21 = twenty-one
22 = twenty-two
23 = twenty-three
24 = twenty-four
25 = twenty-five
26 = twenty-six
27 = twenty-seven
28 = twenty-eight
29 = twenty-nine
30 = thirty
31 = thirty-one
32 = thirty-two
33 = thirty-three
34 = thirty-four
35 = thirty-five
36 = thirty-six
37 = thirty-seven
38 = thirty-eight
39 = thirty-nine
40 = forty
(For other numbers, and pronunciation, see the related link.)
21
120
The probability is 11/21.
They are: 23 29 31 and 37 which makes four of them
0.525
The prime numbers from 21 to 40 are 23, 29, 31, and 37.
Oh, dude, prime numbers are like those special numbers that are only divisible by 1 and themselves. So, between 21 and 40, you've got 23, 29, 31, and 37. They're like the VIP numbers of the math world, you know?
21 and 42 have a GCF of 21. 40 and 80 have a GCF of 40. The GCF of 21 and 40 is 1.
40 -> Quarante 60 -> Soixante
21
120
23 29 31 37.
23 29 31 37
23 29 31 37.
40 and 21 have no common prime factors
The probability is 11/21.
Let x represent one of the numbers and (x - 2) the other number and set it up: x + (x - 2) = 40 2x - 2 = 40 2x = 42 x = 21 The two numbers are 21 (x), and 19 (x - 2).