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Alchen [17]
3 years ago
10

Which equation represents the approximate line of best fit for data, where x represents font size and y represents the number of

words on one page? y = –55x + 407 y = –41x + 814 y = –38x + 922 y = –26x + 723

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
6 0

Answer: D on Edge

Step-by-step explanation:

wlad13 [49]3 years ago
5 0
The table containing the data needed for this problem is attached on this answer. This data is used to determine the best fit line that is extracted from this multitude of points given. Best fit line is described as a line in which the variation of each point to the line is the minimum. We plot the data using MS Excel and is shown in the figure attached as well. We determine the trendline of the graph by the function in MS Excel. The equation of the trendline is expressed as <span>y = -26.059x + 722.63 in which the coefficient of determination, r^2 = 0.8947. </span>

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Answer:

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Step-by-step explanation:

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solong [7]
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Here the area of the base is (10 ft)^2 = 100 ft^2.

13 ft is the height of one of the triangular sides, but not the height of the pyramid.  To find the latter, draw another triangle whose upper vertex is connected to the middle of one of the four equal sides of the base by a diagonal of length 13 ft.  That "middle" is 5 units straight down from the upper vertex.  Thus, you have a triangle with known hypotenuse (13 ft) and known opposite side 5 feet (half of 10 ft).  What is the height of the pyramid?  
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Step-by-step explanation:

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