2 students wearing sneakers and 1 student wearing dress shoes
Step-by-step explanation:
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The answer is negative 80 or like this -80
The two numbers in between which the lower quartile value given by the attached boxplot falls are 1.5 and 2.5 respectively.
- The lower quartile means the 25th percentile or lower
of the distribution
- From a boxplot, the lower quartile is the point marked by the starting point of the box.
- The Lower quartile of the distribution represented by the boxplot is 2
- The values which bounds the lower quartile value to the left and right are 1.5 and 2.5 respectively.
Therefore, two numbers in between which the lower quartile value falls are 1.5 and 2.5
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Range = (u^2 * sin of angle) ÷ g
acceleration due to gravity (g) = 9.8m/s
...
R = (u^2 sin 36.9) ÷ 9.8 = (900 * 0.600420225) ÷ 9.8
R = 540 ÷ 9.8 = 55.102 m ...
t = 55 ÷ 30 = 1.833s ... total flight time...
takeoff time and landing time...
tan = opp ÷ adj
tan 36.9 = 10 ÷ adjacent... = 0.750821238 = 10 ÷ a
a = 10 ÷ 0.8 = (10 * 10) ÷ 8 = 12.5m
55.102m = 1.833
12.5m = (12.5 ÷ 55.102) * 1.833 = 0.4158s
1st time = 0.42s ...at takeoff
2nd time = 1.833 - 0.42 = 1.413s ...at landing
Ans = 0.42s ...and 1.41s ...