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07.11.2020 •
Mathematics
Write true or false for each inference.
A. If a system of two inequalities has a solution, then their two half planes intersect.
B. If two half planes never intersect, then their system of inequalities has no solution.
C. If two half planes never intersect, then their boundary lines are parallel.
D. If the boundary lines of two half planes are parallel, then they have no solution area.
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Ответ:
9.55 cm
Step-by-step explanation:
A quadrant of a circle is 1/4 of a circle.
Since the curved edge is 15 cm, a full circle would be 60 inches.
60/Pi = diameter
diameter = 60/3.14 = 19.11 cm
diameter/2 = radius
radius = 19.22/2 = 9.55 cm which is the length of a straight edge.