ant5129
23.08.2021 •
Mathematics
Give a geometric description of the set of points in space whose coordinates satisfy the given pair of equations.
x2 + y2= 16, z = 2
Choose the correct description.
A. The circle with center (0, 0, 2) and radius 4, parallel to the xy-plane
B. The line through (4, 4, 2), parallel to the z-axis
C. The line that passes through the points (4, 0, 2) and (0, 4, 2)
D. The circle with center (4, 4, 0) and radius 2, parallel to the xy-plane
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Ответ:
B, 83°
Step-by-step explanation:
2x + 5 + 3x -20 = 180
5x - 15 = 180
5x = 195
x = 39
2(39) + 5 = 83°