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Setler [38]
3 years ago
11

Two numbers that are each 2 units away from -7?

Mathematics
2 answers:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

-9 and -5

Step-by-step explanation:

if you add and subtract 2 from -7 you will find 2 number which are exactly 2 digits away from -7

erastovalidia [21]3 years ago
7 0
Two numbers that are each 2 units from -7 are -5 -9
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Answer:

El número de animales vivos después de 1, 5 y 10 años es 90, 60 y 35 respectivamente.

Step-by-step explanation:

Sabes que el número N(t) de animales vivos después de t años se predice mediante N(t) = 100*0.9^{t}

Para estimar el número de animales vivos después de, por ejemplo, 1 año debes simplemente reemplazar el tiempo t por el tiempo correspondiente, en este caso 1 año:

N(1) = 100*0.9^{1}

Resolviendo:

N(1) = 100*0.9^{1}= 100*0.9= 90

De manera similar, podes estimar el número de animales vivos después de 5 y 10 años. Esto es, reemplazas t por 5 años:

N(5) = 100*0.9^{5}= 100*0.59049= 59.049≅ 60

y t por 10 años:

N(10) = 100*0.9^{10}= 100*0.3487= 34.86 ≅ 35

<u><em>El número de animales vivos después de 1, 5 y 10 años es 90, 60 y 35 respectivamente.</em></u>

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