Here is how to work 2, 3 , and 4.
On a test that has a normal distribution, a score of 49 falls three standard deviations below the mean, and a score of 59 falls
1 answer:
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Answer:
Answer is below
Step-by-step explanation:
The equation for the horizontal line is x = 4. The equation for the vertical line is y = 5.
I graphed the lines on the graph below to show you that they intersect at the point (4,5).
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Answer:
The total surface area is 896
Step-by-step explanation:
<em>The square pyramid is a solid with square base and symmetric 4 triangular faces.</em>
Given that the square base is 14 m and height is 24 m.
The apex of pyramid, center of square and center of any edge of square make a right angled triangle.
Let that height if triangular face be "x".
by pythagoras theorm ,
x = 25 m
the area of square base is
the area of each triangular side is <em></em>
such are 4 triangles, thus
Thus the total surface area is 196 + 700 = 896
