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Sever21 [200]
2 years ago
5

Una maestra esta comprando lapices para su salon de clases. Si una docena de lapices cuesta $0.79 puede comprar lapices con $5?

Mathematics
1 answer:
NeX [460]2 years ago
5 0

Answer:

Cantidad total de lapices= 76

Step-by-step explanation:

Dada la siguiente información:

Costo por docena= $0.79

Presupuesto total= $5

<u>Para calcular la cantidad total de lapiceras que se pueden comprar con $5, debemos usar la siguiente formula:</u>

Cantidad total de lapices= presupuesto total / costo por docena

Cantidad total de lapices=  5 / 0.79

Cantidad total de lapices= 6.33

<u>Para ser mas exactos:</u>

0.33*12= 4

Cantidad total de lapices= 6*12 + 4

Cantidad total de lapices= 76

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english has 26 different letters. how many consecutive words have to be selected in a book to have at least 5 that start with th
Valentin [98]

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What is permutation and combination?

A set of elements can be divided into subsets in two different ways: combination and permutation.

                          The components of the subset may be arranged in any order when combined. The components of the subset are listed in a permutation in a certain order.

If the word has 5 different letters  then it is just 26-choose-5 or (26/5).

If the word has 4 different letters  then it is just 26-choose-4 or (26/4)

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This gives =  4*(26/4)

If the word has 3 different letters  then it is just 26-choose-3 or (26/3).

you duplicate one of the three letters 3 times - 3 options for that, or you choose 2 letters and duplicate each one twice - again 3 options. In total this gives  = 6*(26/3).

If the word has 2 different letters  then it is just 26-choose-2 or (26/2).

The sets of 2 different letters and duplicate either one of the letters 4 times - 2 options; or duplicate one letter 2 times, and the other 3 times - again 2 options. In total this is  = 4*(26/2).

The word has just 1 distinct letter you have =  (26/1).

we get :

N = (26/5)+ 4*(26/4) + 6*(26/3) + 4*(26/2) +  (26/1)

= 142506

The words need not be English language words  = 142506

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brainly.com/question/28065038

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5 0
1 year ago
The answer should look like this. (___,___) plzzz fast. ​
BartSMP [9]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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3 years ago
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Estimate by rounding each addend to the greatest place: 50,099+ 24,565=74,664 .
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Answer:

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