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dondre54
18.12.2020 •
Mathematics
The Sun of the interior angles of each polygon is 360 degrees. In the diagram DEFG≈SPQR. Find the value of X and Y.
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Ответ:
Y=30
Step-by-step explanation:
D+E+F+G=360
D+F=360-106-84=170
D+F=Q+S
Y+38+3Y+12=170
4Y=170-50=120
Y=30
X=4
Ответ:
*The dot plot is shown in the attachment below
2
Step-by-step explanation:
Interquartile range is the difference between the upper median (Q3) and the lower median (Q1).
First, let's write out each value given in the data. Each dot represents a data point.
We have:
2, 3, 3, 4, 4, 4, 4, 5, 5, 6, 7
=>Find the median:
Our median is the middle value. The middle value is the 6th value = 4
==>Upper median Q3) = the middle value of the set of data we have from the median to our far right.
2, 3, 3, 4, 4, |4,| 4, 5, [5], 6, 7
Our upper median = 5
==>Lower median(Q1) = the middle value of the data set we have from our median to our far left.
2, 3, [3], 4, 4, |4,| 4, 5, 5, 6, 7
Lower median = 3
==>Interquartile range = Q3 - Q1 = 5-3 = 2