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larisa [96]
3 years ago
12

Solve proportion to x:

Mathematics
1 answer:
crimeas [40]3 years ago
3 0

Answer:

45

Step-by-step explanation:

12/15=4/5

4/5=36/x

cross product

5*36=4*x

180=4x

x=180/4

x=45

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Read 2 more answers
PLEASE HELP BRAINLIEST TO WHOEVER ANSWERS RIGHT
tensa zangetsu [6.8K]
To calculate the IQR, we need the radian, which is the middle number of each column, namely (86,82) for each exam.
Above the middle number, we have 5 values.  The middle value (of the upper part) is Q3, which is on the third line, or (92,85).
Below the middle number, we also have 5 values.  The middle (of the lower half) is Q1, which is on the 9th line (80,78)

The IQR is the difference between Q3 and Q1, namely
(92-80, 85-78) = (12, 7)
Since 12>7, we conclude that the IQR of the mid-term is higher than the final.
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