Select the correct answer from each drop-down menu. The table lists the speeds of the fastest roller coasters in North America a
nd Asia.
Roller Coaster Speeds in North America (miles/hour)
----------------------------------------------------------------------------
128
120
100
93
92
80.8
85
82
80
77
Roller Coaster Speeds in Asia (miles/hour)
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149.1
106.9
95
83
90
80.3
78.3
71.5
69.6
68.4
The difference of the means of the two data sets is _____
The mean absolute deviation of the roller coaster speeds in North America
is _____
The mean absolute deviation of the roller coaster speeds in Asia is ______
2 answers:
Answer:
the answer is
6.41
12.78
17.226
Step-by-step explanation:
Answer:
6.41
12.78
17.226
Step-by-step explanation:
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Answer:
80.84
Step-by-step explanation:
X² - 10x = 46
10/2 = 5; 5²+ 25 add 25 to both sides
x² - 10x + 25 = 46 + 25
so the number you have to add to complete the square is 25.
Answer:
Step-by-step explanation:
Given
--- lower diameter
--- upper diameter
Solving (a): The curved surface area
This is calculated as:
Where
--- lower radius
--- upper radius
And
---- l represents the slant height of the frustrum
So, we have:
Solving (b): The volume
This is calculated as:
This gives:
1. distribute the parentheses.
-3=12y-10y+35
2. Move the constants to the other side
-3-35=12y-10y
3. Subtract the terms
-38=2y
4. Divide by 2 to get y by itself
y=-19
Answer:
A, or 50.24 ft.
Step-by-step explanation:
Doing the equation above, we know the radius of the circle, which is 8 ft.
8ft times 2 is 16ft.
16ft times pi gives us (rounded) 50.24 ft.
