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Alik [6]
3 years ago
6

{75-[(15 entre 3)x(2x5)+2]}-2 How

Mathematics
1 answer:
nadezda [96]3 years ago
7 0

Answer:

21

Step-by-step explanation:

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The time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with l=0.0003
Dvinal [7]

Answer: 0.0497870 ; 0.87754

Step-by-step explanation:

Given that :

λ = 0.0003

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F(x) = 1 - e^-λx = 1 - e^-0.0003x ; x ≥ 0

a. What proportion of the fans will last at least 10,000 hours?

P(x ≥ 10000) = e^-0.0003(10000) = 0.0497870

b. What proportion of the fans will last at most 7000 hours?

P(x ≥ 7000) = 1 - p(x ≤ 7000) = 1 - e^-0.0003(7000)

1 - 0.12245642825 = 0.87754

3 0
3 years ago
Drag each tile to the table to multiply<br> (6x – y)(2x – y + 2).
Murrr4er [49]

fill the table

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7 0
3 years ago
What is -15 divide 3/5
Over [174]
The answer is negative 1 
8 0
3 years ago
Read 2 more answers
Translate the following into an expression: m% of n
saul85 [17]

Answer:

n(m%)

Step-by-step explanation:

8 0
3 years ago
Jackie has cheering practice on thursday and friday if it doesn't rain. thursday there is a 20% chance of rain and friday there
jeyben [28]
20% = 1/5
40% = 2/5

1/5 x 2/5 = 2/25
2/25 = 8%

There is an 8% chance that it will rain on both Thursday and Friday.
7 0
3 years ago
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