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baherus [9]
3 years ago
9

Three points lie on the same straight line. If each point can act as an endpoint, how many distinct line segments can be formed

using the set of points?one
three
four
five
two
Mathematics
2 answers:
NeX [460]3 years ago
6 0
The line would have two segments
Deffense [45]3 years ago
5 0
Two because it would have two rays at the end which aren't line segments. The line would look like <---*----*-----*---> So it only would have two segments
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Read 2 more answers
The points (-18,15) and (-20,15) lie on a circle with a radius of 1. Find the coordinates of the center of the circle.
FromTheMoon [43]
.hello :
an equation of the circle <span>Center at the w(a,b) and ridus : r is :
(x-a)² +(y-b)² = r²
in this exercice : r = 1
</span><span>The points (-18,15) and (-20,15) lie on a circle with a radius of 1:
</span>(-18-a)²+(15-b)² = 1 ....(1)
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solve this system :
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( -18-a = -20-a) or (-18-a = - (-20-a))
1 )  ( -18-a = -20-a) no solution confused : -18=-20
2 ) -18-a =20+a
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3 years ago
Can someone help me &amp; show steps? Thank you
WARRIOR [948]

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8 0
3 years ago
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