Se sabe que el septimo termino de una progresion geometrica es 3 ya la razon es 1/2. Se desea saber cual es el valor del primer
termino.
1 answer:
Respuesta:
192
Explicación paso a paso:
aₙ = a₁*rⁿ⁻¹
a₇ = 3
r = 1/2
a₁ = ?
a₁ = aₙ / rⁿ⁻¹
a₁ = 3 / (1/2)⁷⁻¹
a₁ = 192
Verificación;
n aₙ
1 192
2 96
3 48
4 24
5 12
6 6
7 3 ✔
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
The slope is
-4/7.
3:1 =300%
2:3:5 =50%
1:4 =25%
1:2:5 =62.5%
The answer you are looking for is 4
Anwser: 3b+3s
step by step explanation:
20 is the slope and 30 is the y-intercept