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smelcher3900
28.07.2019 •
Mathematics
Which rational expression will complete the equation? 4z^5/7 = z^10/14
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Ответ:
In the problem, we are starting with 4z^5/7 and multiply by something. Then, we have z^10/14.
First, let's deal with the variables. We go from z^5 to z^10, so we had to multiply by z^5.
Second, our fraction went from 4/7 to 1/14, the missing factor would be 1/8 because 4/7 times 1/8 equals 1/14.
Ответ:
0.05/1 min * 60 min = 0.05 * 60 = 3
Therefore, the unit rate per hour is $3.