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ololo11 [35]
3 years ago
6

Traditionally, the earth's surface has been modeled as a sphere, but the World Geodetic System of 1984 (WGS-84) uses an ellipsoi

d as a more accurate model. It places the center of the earth at the origin and the north pole on the positive z-axis. The distance from the center to the poles is 6356.523 km and the distance to a point on the equator is 6378.137 km.
A) Find an equation of the earth's surface as used by WGS-84.
B) Curves of equal latitude are traces in the planes z = k. What is the shape of these curves?
C) Meridians (curves of equal longitude) are traces in planes of the form y=mx. What is the shape of these meridians?
Mathematics
1 answer:
sdas [7]3 years ago
3 0

Answer: You are smart, figure it out yourself

Step-by-step explanation:

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Marina CMI [18]
Check the picture below.

now, the sides at the bottom, the straight sides, are plain to see how long each is, you can pretty much count the units off the grid.

so, the only ones you need the distance formula or pythagorean theorem is the slanted ones, there are two, and both are equal, so, just get the length of one, and double it up.

\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ 2}}\quad ,&{{ 7}})\quad 
%  (c,d)
&({{ 6}}\quad ,&{{ 4}})
\end{array}\qquad 
%  distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}
\\\\\\
d=\sqrt{(6-2)^2+(4-7)^2}\implies d=\sqrt{4^2+(-3)^2}\implies d=\sqrt{16+9}
\\\\\\
d=\sqrt{25}\implies d=5

double that up, and both slanted sides are 10, the perimeter is all sides summed up.

5 0
3 years ago
Help with both please
KIM [24]
The one that does not belong is plane CDE, the reason being the rest are line segments. Line segments differ from the planes because they have fewer number of dimensions as compared to the planes. Thus the correct answer is:
plane CDE
reason being:
The one that does not belong has different number of dimensions
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4 years ago
Two dice are tossed 432 times. How many times would you expect to get a sum of 4?
Vedmedyk [2.9K]
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3 years ago
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kupik [55]

Answer:

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Step-by-step explanation:

=> 3x/3=288/3

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6 0
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