chycooper101
03.12.2020 •
Mathematics
The histogram shows information about how 550 people travel to work.
40+
35
30-
♡
25
Frequency density
20
15
10
5
Distance (miles)
0+
0
5 10 15 20 25 30 35 40 45 50 55 60
a) How many people travel more than 30 miles to work?
b) 205 of the 550 people travel further than Sam. Estimate how far Sam travels.
Solved
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Ответ:
The volume of a sphere is given by:
V = (4/3) * (pi) * (r ^ 3)
Where,
r: sphere radio
Substituting values we have:
V = (4/3) * (3.14) * ((10/2) ^ 3)
V = 523.3333333
Rounding the nearest whole number we have:
V = 524 m ^ 3
option 1
V = 524 m ^ 3
Question 2:
The area of a sphere is given by:
V = (4) * (pi) * (r ^ 2)
Where,
r: sphere radio
Substituting values we have:
V = (4) * (3.14) * ((15/2) ^ 2)
V = 706.5
Rounding the nearest whole number we have:
V = 706.5 yd ^ 2
V = 706.5 yd ^ 2
option 2