The coordinates of the midpoint:

x₁,y₁ - the coordinates of one endpoint
x₂,y₂ - the coordinates of the other endpoint
<span>Provided that no one can receive more than one prize, there are 50*49*48= 117600 ways to distribute the prizes. The first prize can be given to any of the 50 people, the second to any of the remaining 49, and the third to the remaining of the 48, multiplying these possibilities together leads to the answer.</span>
Answer:
yes it look right like the one you have to do 2x+5=39
Answer:
x=2
Step-by-step explanation:
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