2. Set A consists of positive even multiples of 5 less than 60. Set B consists of odd multiples of 7 from 1 to 60. Find |A| and |BI.
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2. Set A consists of positive even multiples of 5 less than 60. Set B consists of odd multiples of 7 from 1 to 60. Find |A| and |BI.
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Verified answer
The value of |A| = 6 and |BI = 4.
Step-by-step explanation:
Be discovered:
Set A consists of positive even multiples of 5 less than 60.
Set B consists of odd multiples of 7 from 1 to 60.
Question:
Find |A| and |BI.
Asked:
The first step is to find a multiple of 5 .
5 x 1 = 5
5 x 2 = 10
5 x 3 = 15
5 x 4 = 20
5 x 5 = 25
5 x 6 = 30
5 x 7 = 35
5 x 8 = 40
5 x 9 = 45
5 x 10 = 50
5 x 11 = 55
5 x 12 = 60
Multiples of 5 = {5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ... }
The second step, we determine the multiples of 5 are even less than 60.
An even multiple of 5 is less than 60, which is 10, 20, 30, 40, 50, 60.
The third step is to find a multiple of 7 that is less than 60.
7 x 1 = 7
7 x 2 = 14
7 x 3 = 21
7 x 4 = 28
7 x 5 = 35
7 x 6 = 42
7 x 7 = 49
7 x 8 = 56
7 x 9 = 63
Multiples of 7 = {7, 14, 21, 28, 35, 42, 49, 56, 63, ...}
In the fourth step, we determine the odd multiple of 7 is less than 60.
odd multiples of 7 are less than 60, namely: 7, 21, 35, 49.
The fifth step we determine the value of |A| = 6 and |BI = 4.
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