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Mathematics, 18.10.2020 21:01 shod74
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יזיזיין
A shop is recording the queuing time of its customers and produces the
cumulative frequency graph shown below.
100
a) How many customers queued for more
than 20 minutes?
80
customers
Cumulative frequency
40
b) Find the median queuing time.
20
minutes
0
0
25
5
10 15 20
Queuing time (mins)
Answers: 2
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What is the value of y in the solution to the system of equations? x + y = 12x – 3y = –30a. –8b. –3c. 3d. 8
Answers: 1
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The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?
Answers: 2
Mathematics, 21.06.2019 16:30
The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7
Answers: 1
History, 11.04.2020 02:41
Mathematics, 11.04.2020 02:41
Mathematics, 11.04.2020 02:41
Mathematics, 11.04.2020 02:41
History, 11.04.2020 02:42