sierram298
06.04.2021 •
Mathematics
Hikers spent the following amounts of time (in minutes) to complete a
nature hike: 48, 46, 52, 57, 58, 52, 61, 56.
Suppose another hiker takes 92 minutes to complete the hike.
How does the median and mean change when the new hiker is
factored in to the data?
Solved
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Ответ:
the mean is 53.75 and median is 54
Step-by-step explanation:
Ответ:
7, and 7√2
Step-by-step explanation:
The angle ratios are 1.5 : 1.5 : 3, so there are
1.5 + 1.5 + 3 = 6 total parts. There are 180° in a triangle, so we have
6x = 180
x = 30
Each part is 30°,
1.5 becomes 45° (30 plus half of 30)
3 becomes 90°
There are 2 angles with a ratio of 1.5, so we have a 45° - 45° - 90° triangle.
The side opposite the smallest angle is 7, there are angels with the least measure, so there are 2 sides that are 7.
The hypotenuse of a 45° - 45° - 90° triangle is larger than the legs by a factor of √2, so the hypotenuse is 7√2