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vagabundo [1.1K]
3 years ago
7

6-y-x^2 use x=5 and y=4

Mathematics
1 answer:
Ulleksa [173]3 years ago
5 0

Answer:

6 - 4 - 5 ^ 2 = -23

hope this helps

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Se sabe q la suma de tres numeros es de 850. El primer es un tercio del segundo y el tercer número es el doble del segundo.¿Cual
murzikaleks [220]

Answer:

Primer número = x = 85

Segundo número = y = 255

Tercer número = z = 510

Step-by-step explanation:

Se sabe que la suma de tres números es 850. El primero es un tercio del segundo y el tercer número es el doble del segundo.

Representamos:

Primer número = x

Segundo número = y

Tercer número = z

Se sabe que la suma de tres números es 850.

x + y + z = 850 ...... Ecuación 1

El primero es un tercio del segundo

x = 1/3 años

El tercer número es el doble del segundo.

z = 2 años

Sustituimos 1 / 3y por x y 2y por z en la Ecuación 1

1 / 3y + y + 2y = 850

y / 3 + 3y = 850

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y + 9y = 850 × 3

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Resolviendo para x

x = 1/3 años

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x = 85

z = 2 años

z = 2 × 255

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Por eso,

Primer número = x = 85

Segundo número = y = 255

Tercer número = z = 510

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3 years ago
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