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ExtremeBDS [4]
3 years ago
8

Think about the needs in my community ​

Mathematics
1 answer:
aliya0001 [1]3 years ago
3 0

Answer:

its not an mathematical ques

tion

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Help me with this one please
satela [25.4K]

Answer:

15

Step-by-step explanation:

a² + b² = c²

9² + 12² = c²

81 + 144 = c²

c² = 225

\sqrt{c^2} =\sqrt{225}

c = 15

6 0
3 years ago
The average number of field mice per acre in a 5-acre wheat field is estimated to be 12. find the probability that fewer than 7
zaharov [31]
This requires the Poisson distribution, where
area = 5-acres
and mean number of field mice = 12 (in 5-acres of field)
therefore 
lambda=12 (mean, given)
and the probability of k mice in the 5-acre field is given by the Poisson distribution as
P(X=k)=lambda^k * e^(-lambda) / k!   ..............(1)
To find the probability of having LESS than 7 field mice, we add the probabilities of 0 to 6, which is
P(X<7)=P(X=0)+P(X=1)+...+P(X=6)
evaluating with equation (1) for X=0 to 6, we get:
0 0.0000061 0.0000742 0.0004423 0.0017704 0.0053095 0.0127416 0.025481Total = 0.045822

Answer: The probability that fewer than 7 field mice are found in the 5-acre field is 0.0458.
8 0
3 years ago
407.10 euros to pounds ​
Svetradugi [14.3K]

Answer:

361.27 Pound sterling

Step-by-step explanation:

3 0
4 years ago
Using Euler’s Formula (F + V = E + 2), find the number of edges. Faces: 25 Vertices: 17 Edges: ?
kirza4 [7]
F + V = E + 2
F = 25
V = 17

25 + 17 = E + 2
42 = E + 2
42 - 2 = E
40 = E <== there are 40 edges
3 0
4 years ago
Read 2 more answers
Listed below are amounts​ (in millions of​ dollars) collected from parking meters by a security service company and other compan
dezoksy [38]
Given: Security Service Company:
1.4 1.8 1.6 1.7 1.5 1.5 1.7 1.6 1.5 1.6
Mean: 1.59
Standard Deviation: 0.014333

Other companies: 1.8 1.9 1.6 1.7 1.6 1.8 1.7 1.5 1.8 1.7
Mean: 1.71
Standard deviation: 0.014333

The coefficient of variation for security Service Company:

CV = (Standard Deviation/Mean) * 100.

= (0.14333/1.59) * 100

= 9.01%

The coefficient of variation for other companies:

CV = (Standard Deviation/Mean) * 100.

= (0.014333 / 1.71) * 100

= 8.38%

the limited data listed here show evidence of stealing by the security service company's employees because there is a significant difference in the variation.
6 0
4 years ago
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