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sweet-ann [11.9K]
3 years ago
13

60 is 80% of what number

Mathematics
1 answer:
alexdok [17]3 years ago
8 0
60 = .8 × x
(60 = .8 × x) ÷ .8
75 = x

60 is 80% of 75.
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The regression equation which correctly models the data in this table is y = 1.49x - 107.5,

<h3>How to determine the regression equation?</h3>

From the table of data values, we have the following parameters:

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∑x² = 80.142

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Mathematically, the regression equation is represented by the following slope equation:

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Next, we would determine A by using this expression:

A = (∑y·∑x² - ∑x·∑xy)/(n∑x² - (∑x)²)

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For B, we have:

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Read more about regression equation here: brainly.com/question/28037520

#SPJ1

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