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sloane50
30.01.2020 •
Mathematics
The panthers team won exactly 2 of its 9 games. by winning all its remaining n games, the panthers ended with victories half of the games it played. what number does n represent?
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Ответ:
number won=number played (number played means how many more past 9)
so
if n=number won=number played then
times both sides by (2)(9+n)
2(2+n)=9+n
distribute
4+2n=9+n
minus n from both sides
4+n=9
minus 4 from both sides
n=5
answer is 5
test
2+5=7
9+5=14
7/14=1/2
true
n=5
Ответ:
The answer is the third opinion C.)Y=3^3(x-2) +5