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Pachacha [2.7K]
3 years ago
15

Kenny reads 4 9 page in 3 4 minute.

Mathematics
1 answer:
NeX [460]3 years ago
3 0

Answer:

Step-by-step:

It takes him 1.4 minutes to read one page.

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11x - 4 = 5x + 20<br><br> How do I do this question/what is the answer?
viva [34]

Answer:

x=4

Step-by-step explanation:

11x-4=5x+20

4x=16

x=4

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3 years ago
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Ken and Vincent each want to run for president of their school's student body council. In
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Step-by-step explanation:

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Which is the most accurate way to estimate 50% of 41?
sasho [114]

Answer:

The easiest way is to round down to 40 and take 50% of that, which is 20. The actual answer is 20.5.

Step-by-step explanation:

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Cone is radius of 9 inches and 6 inches height what is the exact volume of the cone
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The answer would be 108
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3 years ago
Una heladeria dispone de 20 frutas distintas para elaborar sus malteadas. Si los clientes pueden elegir tres sabores para mezcla
Dahasolnce [82]

Answer:

Existen 6840 permitaciones de malteadas de tres sabores distintos que la heladería puede ofrecer.

Step-by-step explanation:

En este caso, el cliente que adquiere una malteada de tres sabores distintos sigue el siguiente procedimiento:

1) El primer sabor sale de cualquiera de las 20 frutas disponibles.

2) El segundo sabor es distinto al primer sabor, es decir, que sale de las 19 frutas restantes.

3) El tercer sabor es distinto al primer sabor y al segundo sabor, es decir, que sale de las 18 frutas restantes.

Puesto que existe una doble conjunción y que puede importar el orden según la preferencia del cliente, se habla matemáticamente de una permutación, definida como:

n\mathbb{P}k = \frac{n!}{(n-k)!} (1)

Donde:

n - Número de sabores disponibles, adimensional.

k - Número de sabores escogidos, adimensional.

Si tenemos que n = 20 y k = 3, entonces la cantidad de malteadas de tres sabores distintos es:

n\mathbb{P}k = \frac{20!}{(20-3)!}

n\mathbb{P}k = \frac{20!}{17!}

n\mathbb{P}k = 20\cdot 19\cdot 18

n\mathbb{P}k = 6840

Existen 6840 permitaciones de malteadas de tres sabores distintos que la heladería puede ofrecer.

5 0
3 years ago
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