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Darina [25.2K]
3 years ago
6

The speed of 10 Ferris wheels is sampled. The speed, measured in miles per hour, are

Mathematics
1 answer:
earnstyle [38]3 years ago
6 0

Answer:

10 MPH

Step-by-step explanation:

8 + 9 + 10 + 10 + 10 + 12 + 12 + 14 + 15 = 100/number of terms

100/10 = 10 MPH

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2 years ago
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Answer:

127.253 m^3

Step-by-step explanation:

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Which is greater. -7/12 or -5/9
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Answer:

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7 0
2 years ago
If z=2.5, x=102 and x=100, what is s?
Bad White [126]

I believe the problem ask for s which is the standard deviation. We must recall that the formula for z statistic is stated as:

z = (x – x over bar) / s

Where,

z = z statistic = 2.5

x = sample value or sample score = 102

x over bar = the sample mean or sample average  = 100

s = standard deviation = unknown

Rewriting the equation in terms of s:

s = (x – x over bar) / z

Substituting the given values into the equation:

s = (102 – 100) / 2.5

s = 0.8  

Therefore the standard deviation s is 0.8

7 0
3 years ago
find the dimensions of a rectangle whose width is 5 miles less than its length and whose area is 66 square miles
Lyrx [107]
A = l * w
66 = l * (l - 5)
66 = l^{2}-5l
0 = l^{2}-5l - 66

l = 11 or 6 check which works.

A = 11 * 6, which fits.

length = 11 miles
width = 5 miles
4 0
3 years ago
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