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AlekseyPX
4 years ago
9

X + 20 + 10x = 20x + 9x

Mathematics
1 answer:
gulaghasi [49]4 years ago
3 0

Simplifying

X + 20x + 10x = 20 + 9x

Combine like terms: 20x + 10x = 30x

X + 30x = 20 + 9x

Solving

X + 30x = 20 + 9x

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-30x' to each side of the equation.

X + 30x + -30x = 20 + 9x + -30x

Combine like terms: 30x + -30x = 0

X + 0 = 20 + 9x + -30x

X = 20 + 9x + -30x

Combine like terms: 9x + -30x = -21x

X = 20 + -21x

Simplifying

X = 20 + -21x

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riadik2000 [5.3K]

Answer:

P = (12/27)*(11/26) = 0.188

Step-by-step explanation:

Si todos tienen la misma probabilidad de estar en cargo de presidente y vicepresidente, entonces:

La probabilidad de que una mujer sea presidente, es igual al cociente entre el número de mujeres y el número total de personas:

p = 12/27

Ahora queremos calcular lo mismo para vicepresidente, y el cálculo es exactamente igual, con la diferencia de que en esta situación, ya hay una mujer en el cargo de presidente, entonces hay 11 mujeres que pueden ser vicepresidente, y un total de: (11 + 15 = 26 personas)

Entonces ahora la probabilidad es:

q = 11/26

La probabilidad conjunta (es decir, la probabilidad de que ambos eventos pasen) es igual al producto de las probabilidades individuales.

P = (12/27)*(11/26) = 0.188

4 0
3 years ago
-10 2/7 divided by -4 4/11
madam [21]
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Answer:

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Step-by-step explanation:

5x + 2x ≥ 70

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Hope this helps!

-sruthi123

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