Melissa collected the data in the table.
2 answers:
A residual is the difference between the actual value and the predicted value. If there is a scatter plot with a line of best fit, the residual would be the vertical distance between the actual point and the line of best fit.
For our question, the table already gives the "given" and "predicted" values. Hence, the residual is the different between the "given" and "predicted" values.
If you look at the first three rows, you will see that residual = given - predicted.
So, when , residual =
. Answer choice B is correct one.
ANSWER: B
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Answer:
62.4 square centimeters
Step-by-step explanation:
The picture of the question in the attached figure
we know that
The surface area of the triangular pyramid is equal to the area of the triangular base plus the area of its three lateral triangular faces
In this problem the triangles are equilateral, that means, the
surface area is equal to the area of four congruent equilateral triangles
so
we have
substitute
