Tentukan 5 suku pertama dari suatu pola bilangan dengan rumus [tex]un = \frac{5n}{10} + 5[/tex].... Question from @nauracalysta

nauracalysta @nauracalysta

September 2022 2 9 Report

Tentukan 5 suku pertama dari suatu pola bilangan dengan rumus
[tex]un = \frac{5n}{10} + 5[/tex]

ThungKaiWen

Penjelasan dengan langkah-langkah:

Un = 5n/10 + 5

Tentukan 5 Suku pertama :

U1 = 5/10 + 5 = 11/2

U2 = 10/10 + 5 = 6

U3 = 15/10 + 5 = 13/2

U4 = 20/10 + 5 = 7

U5 = 25/10 + 5 = 15/2

11/2, 6, 13/2, 7, 15/2

0 votes Thanks 0

laurencrisya

Jawaban:

5½, 6, 6½, 7, 7½

Penjelasan dengan langkah-langkah:

$Un = \frac{5n}{10} + 5 \\ U1 = \frac{5 \times 1}{10} + 5 = 5 \frac{1}{2} \\ U2 = \frac{5 \times 2}{10} + 5 = 6 \\ U3 = \frac{5 \times 3}{10} + 5 = 6 \frac{1}{2} \\ U4 = \frac{5 \times 4}{10} + 5 = 7 \\ U5 = \frac{5 \times 5}{10} + 5 = 7 \frac{1}{2}$

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