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Anit [1.1K]
3 years ago
14

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)
--------------------------------------------------------------
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 ______
Mathematics
2 answers:
dangina [55]3 years ago
7 0

Answer:

the answer is

6.41

12.78

17.226

Step-by-step explanation:

andrezito [222]3 years ago
3 0

Answer:

6.41

12.78

17.226

Step-by-step explanation:

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5 0
3 years ago
Mrs. Speas has $138 in her bank account during Week #1. At the end of each week, she deposits $55 into her bank account. What is
nordsb [41]

The first term is 138

The difference is 55

The iterative rule for the amount of money Mr Speas has after n weeks is

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During the first week she has $138 in his bank account. At the end of each week she deposited $55 into her bank account.

The first term will be 138 .

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The difference = 193 - 138 = 55.

The iterative rule for the amount of money Mr Speas has after n weeks can be represented  below

n = number of weeks

a = first term = 138

d = common difference = 55

Using AP formula,

sₙ = n/2(2a + (n - 1)d)

sₙ = n/2 (2(138)+ (n - 1)55)

sₙ = n /2(276 + 55n -55)

sₙ = n /2(221 + 55n)

sₙ = 55/2 n² + 221/2 n

read more: brainly.com/question/20373665?referrer=searchResults

6 0
2 years ago
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