tolongin gw
1. Diketahui deretan aritmatika U9 = 49 dan U14 = 79 tentukan U1 dan beda
pelajaran kelas 10 cuy
1. Diketahui deretan aritmatika U9 = 49 dan U14 = 79 tentukan U1 dan beda
pelajaran kelas 10 cuy
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Deretan aritmetika
[tex]b = \frac{79 - 49}{14 - 9} = \frac{30}{5} = 6 \\ \\ u1 = u9 - 8b \\ u1 = 49 - 8(6) \\ u1 = 49 - 48 \\ u1 = 1[/tex]
Verified answer
B = (79 - 49)/(14 - 9)
= (30)/(5)
= (6)/(1)
= 6
U1 = 49 - (8 × 6)
= 49 - 48
= 1