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Eddi Din [679]
3 years ago
5

Addison's Cafe offers two kinds of espresso: single-shot and double-shot. Yesterday afternoon, the cafe sold 70 espressos in all

, 70% of which were single-shot. How many single-shot espressos did the cafe sell????
Mathematics
1 answer:
Valentin [98]3 years ago
6 0

Answer:

The number of single-shot espressos sold by the cafe was 49.

Step-by-step explanation:

It is provided that Addison's Cafe offers two kinds of espresso: single-shot and double-shot.

Total number of espressos sold by the cafe yesterday afternoon was,

<em>N</em> = 70

The proportion of single-shot espresso sold was, <em>p</em> = 0.70.

Let <em>X</em> = number of single-shot espressos sold.

Compute the number of single-shot espressos sold by the cafe as follows:

E(X)=N\times p

         =70\times 0.70\\=49

Thus, the number of single-shot espressos sold by the cafe was 49.

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If y = 7x − 5, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
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Step-by-step explanation:

Given function is f(x)=7x-5.

Here, Options are given ordered pair

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The ordered pair is (0,-5)

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Step-by-step explanation:

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since you must do this proble with elimination, we cant use subtitution. so we repeat the way once more to find x (eliminate y)

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