Complete the table. Thank you
2 answers:
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Answer:
65
Step-by-step explanation:
The area of the square is and the area of a single triangle is
.
The total area is the square plus the 4 triangles
Answer:
The first error she made in computing the variance was to have placed -1,024 instead of +1,024
Step-by-step explanation:
we have the data set
87, 46, 90, 78, and 89
step 1
Find the mean
step 2
Subtract the Mean for each value of data set and square the result and then adds the numbers
so
The first error she made in computing the variance was to have placed -1,024 instead of +1,024
step 3
Work out the mean of those squared differences
----> this value is called the "Variance"
To graph
graph the point (3,6)
yintercept is on the y axis so go up 2 units from the origin and plot the point (0,2)
now the parabola
we know it has to go through points (3,6) and (0,2)
therefor we now that it opens down
we also knwo that the vertex's y value is the axis of symmetry
so we also put a point at (6,2)
draw a parabola opening down through the points (0,2) (3,6) (6,2), with (3,6) at the top/peak
see attachment
graph the point (3,6)
yintercept is on the y axis so go up 2 units from the origin and plot the point (0,2)
now the parabola
we know it has to go through points (3,6) and (0,2)
therefor we now that it opens down
we also knwo that the vertex's y value is the axis of symmetry
so we also put a point at (6,2)
draw a parabola opening down through the points (0,2) (3,6) (6,2), with (3,6) at the top/peak
see attachment