29delphina
27.10.2020 •
Mathematics
Endpoint ( 1. 3). midpoint: ( 9.0)
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Ответ:
Step-by-step explanation:
Let the two ponts be A and B whose midpoint is C.
A = (x , y )
B = ( 1 , 3)
C = ( 9 , 0 )
Solving for x,
9 = (x + 1) / 2
18 = x + 1
17 = x
Solving for y,
0 = (y + 3) / 2
0 = y + 3
-3 = y
So, the coordinates of A are (17 , -3)
Ответ:
It is translated 7 down and 4 to the right.