bibi43232
04.07.2019 •
Mathematics
Find the midpoints of the segment with the endpoints (-0.8,1.3)and (0.4,-0.8)
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Ответ:
The midpoint of (-0.8,1.3) and (0.4,-0.8) is (-1/5,1/4). Have a nice day.
Ответ:
4x + 5y = 41...multiply by 6
-24x - 28y = - 236 (result of multiplying by -4)
24x + 30y = 246 (result of multiplying by 6)
add
2y = 10
y = 10/2
y = 5
4x + 5y = 41
4x + 5(5) = 41
4x + 25 = 41
4x = 41 - 25
4x = 16
x = 16/4
x = 4
solution is (4,5)