Mathematics, 18.03.2021 02:20 Rock3422
The table shows the size of outdoor decks (x) in square feet, and the estimated dollar cost to construct them (y).
x y x2 xy
100 600 10,000 60,000
144 850 20,736 122,400
225 1,300 50,625 292,500
324 1,900 104,976 615,600
400 2,300 160,000 920,000
∑x=1,193 ∑y=6,950 ∑x2=346,337 ∑xy=2,010,500
Which regression equation correctly models the data? y = 5.83x – 1.04 y = 5.83x + 17 y = 5.71x + 29 y = 5.71x + 27.6
Answers: 1
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Which of the following is the graph of y= square root -x-3
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Mathematics, 22.06.2019 00:30, kitykay2399
An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.
Answers: 1
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