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ctuek5990
06.10.2019 •
Mathematics
Find the point, m, that divides segment ab into a ratio of 2: 3 if a is at (0, 15) and b is at (20, 0).
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Ответ:
The required co-ordinates of point M are (8, 9).
Step-by-step explanation: Given that the point M divides segment AB into a ratio of 2 : 3, where A is at (0, 15) and B is at (20, 0).
We are to find the co-ordinates of point M.
We know that
the co-ordinates of a point that divides the line segment joining the points (a, b) and (c, d) are given by
For the given division, (a, b) = (0, 15), (c, d) = (20, 0) and m : n = 2 : 3.
Therefore, the co-ordinates of point M are given by
Thus, the required co-ordinates of point M are (8, 9).
Ответ:
Distribute
3x - 30 = 5x + 2
-3x on both sides
-30 = 2x + 2
-2 on both sides
-32 = 2x
/2 on both sides
x = -16
4x + 2
4(-16) + 2
-64 + 2
-62
-62