Answer:
21
Step-by-step explanation:
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Answer:
A) ≈ 6.93
B) ≈ 0.02
Step-by-step explanation:
A)
Formula : a² + b² = c²
2.4² + 6.5² = c²
5.76 + 42.25 = c²
c = √48.01
c ≈ 6.93
B)
Formula = c² - a² = b²
1/3² - 1/4² = b²
1/9 - 1/16 = b²
b = √7/144
b ≈ 0.02
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Answer:
5
Step-by-step explanation:
The interquartile range is the difference between the upper quartile and the lower quartile.
First find the median.
The median is the middle value of the data set arranged in ascending order
1 5 5 7 9 ← data in ascending order
↑ median
The lower quartile is the middle value of the data to the left of the median. If there is not an exact middle then it the average of the values on either side of the middle.
1 5
↑ lower quartile =
= 3
The upper quartile is the middle value of the data to the right of the median.
7 9
↑ upper quartile =
= 8
Thus
interquartile range = 8 - 3 = 5
Answer:
Mr doyle the fastest and Mr hennessy was the slowest
Step-by-step explanation:
3/4 of an hour is 45 minutes Mr panasuk took 45 minutes
Answer:
5 sheets.
Step-by-step explanation:
There are 28 / 4 = 7 students in one group.
Each group was given 35 sheets of paper so each student got 35/7
= 5 sheets.