Hamid bought 4.5 pounds of strawberries. The total cost of the strawberries was 8.10. How much did each pound of strawberries co
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The coordinates of B are .
Solution:
Given A(2, –1), B(x, y) and C(4, 2)
AB is a line segment C is a point on AB.
AC : CB = 3 : 1
To find the coordinates of B:
Section formula:
The point divides the line segment
and
in the ratio
m : n are
Here, and m = 3, n = 1
Using section formula,
Substitute the given values in the section formula.
Equate the x-coordinates and y-coordinates.
Hence the coordinates of B are .