Answer:
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Step-by-step explanation:
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Answer:
7pounds=$10.43
10 pounds=? solution 10.43×10÷7=14.9 the equals sign means cross multiply.
That would be 1/4 * 28 = 7 ins^2
Using a calculator, the slope of the line of best-fit is of 7.2.
<h3>How to find the equation of linear regression using a calculator?</h3>
To find the equation, we need to insert the points (x,y) in the calculator.
In this problem, the points are given as follows:
(-4,-32), (-2,-8), (0,10), (2,8), (4,32).
Using the calculator, the equation is:
y = 7.2x + 2.
Hence the slope is of 7.2.
More can be learned about a line of best-fit at brainly.com/question/22992800
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