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schepotkina [342]
3 years ago
15

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

ct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Complete the following proof.

Prove: The segment joining the midpoints of two sides of a triangle is parallel to the third side.

Mathematics
1 answer:
azamat3 years ago
4 0
For M:
 (((0+c)/2), ((0+d)/2))=((c/2), (d/2))
 For N:
 (((a+c)/2), ((0+d)/2))=(((a+c)/2), (d/2))
 Slope of MN:
 MN=(y2 - y1)/(x2- x1)
 MN=((d/2) - (d/2))/(((a+c)/2)- (c/2))
 MN=(0/(((a+c)/2)- (c/2))
 MN=0
 Slope of AB:
 AB=(0 - 0)/(a)
 AB=(0)/(a)
 AB=0
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3 years ago
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3 years ago
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55 is 40% of what number
Oxana [17]
It is important to do the calculations very carefully. Otherwise there is nothing complicated about this problem.
Let us assume the unknown number = x
Then
40x/100 = 55
40x = 55 * 100
40x = 5500
x = 5500/40
  = 550/4
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So 55 is 40% of 137.50. I hope the procedure is clear to you and in future you can solve such problems on your own without requiring any help from outside.This is the simplest way of solving such problems.



5 0
3 years ago
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