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PolarNik [594]
3 years ago
6

Write a linear equation that expresses the​ cost, y, in terms of the number of cups of​ coffee, x.

Mathematics
1 answer:
ASHA 777 [7]3 years ago
5 0

Let c represent the cost of one cup of coffee. Then your equation is

... y = c·x

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2 x 3 x 6 = 3 x 2 x 6<br><br> What property is this?
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Distributive Property
<span><span><em><u>The Distributive Property is easy to remember, if you recall that "multiplication </u></em></span><u>distributes</u><span><em><u> over addition". Formally, they write this property as "</u></em></span><span><u>a(b + c) = ab + ac</u></span><span><em><u>".</u></em></span></span>
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3 years ago
Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and
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Answer:

57

Step-by-step explanation:

Given that :

Standard deviation (σ) = 5 minutes = (5 *60) = 300 seconds

Margin of Error, E = 78

Assume a confidence interval of 95%;

Using the relation :

((Zα/2 * σ) / E)²

(1 - α)/2 = (1 - 0.95)/2 = 0.05 /2 = 0.025

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= 57 samples

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3 years ago
In Store A, a book that regularly sells for $24.99 is on sale at 15% off. In Store B the same book regularly sells for $27.99 an
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Step by Step
divide the the normal price of the book by four to get the amount of the book on sale in store B which is $21. To get the answer for Store A divide the normal price of the book by ten then divide the amount you get by 2 and add the two amounts up to get the the amount of the book on sale which is $21.26
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