The first song performed during a concert was more than 60 seconds longer than the final song. The first song was 190 seconds lo
ng. The inequality 190 > 60 + f represents the situation when f is the length of the final song, in seconds. f is in the center of a line. Which value should point f on the number line be?
1. 250
2. 190
3. 130
Which best describes the appearance of the graph?
1. open circle at f, shaded right
2. open circle at f, shaded left
3. closed circle at f, shaded right
4. closed circle at f , shaded left
1. 250
2. 190
3. 130
Which best describes the appearance of the graph?
1. open circle at f, shaded right
2. open circle at f, shaded left
3. closed circle at f, shaded right
4. closed circle at f , shaded left
2 answers:
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Since the Power is directly proportional to the velocity, their ratio 
is constant.
<span>Therefore </span>
which is a proportion:
500 : 1000 = x : 1728
that can be easily solved:
x = (500×1728)/1000 = 864kW
<span>Therefore </span>
500 : 1000 = x : 1728
that can be easily solved:
x = (500×1728)/1000 = 864kW