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pentagon [3]
3 years ago
10

MATH PLS HELP EXAMS PROBLEM 1!!!!!!

Mathematics
1 answer:
STALIN [3.7K]3 years ago
3 0

Answer:

C) -12y-8y-4

Step-by-step explanation:

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Eight minus the product of two and a number x.
sergij07 [2.7K]
The number x is a -8
8 0
3 years ago
In the year 2054 the government estimates that out of every 1,000,100 citizens 1,000,000 will remain law-abiding, and 100 will e
Olenka [21]

Answer:

0.9091 = 90.91% probability that a person flagged as a future criminal by the Precogs will actually commit a crime

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

P(B|A) = \frac{P(B)*P(A|B)}{P(A)}

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Flagged as future criminal

Event B: Commits a crime.

In the year 2054 the government estimates that out of every 1,000,100 citizens 1,000,000 will remain law-abiding, and 100 will eventually commit a crime.

This means that P(B) = \frac{100}{1000100} = 0.00009999

If a person is going to commit a crime, the Precogs identify that person correctly 99.999% of the time

This means that P(A|B) = 0.99999

Probability of being identified as a criminal:

0.99999 out of 0.00009999(identified and commits crime).

(1-0.99999) out of (1-0.00009999) (identifed and does not commits crime). So

P(A) = 0.99999*0.00009999 + (1-0.99999)*(1-0.00009999) = 0.000109988

What is the probability that a person flagged as a future criminal by the Precogs will actually commit a crime

P(B|A) = \frac{P(B)*P(A|B)}{P(A)} = \frac{0.00009999*0.99999}{0.000109988} = 0.9091

0.9091 = 90.91% probability that a person flagged as a future criminal by the Precogs will actually commit a crime

5 0
3 years ago
Please help, thank you! 7:x=2:3
Lady_Fox [76]

Answer:

<h2>7:<u><em>10.5</em></u>=2:3</h2>

Step-by-step explanation:

7/2=3.5

3*3.5=10.5

6 0
2 years ago
A cube has a surface area of 200 square inches. Which choice is closest to the length of an edge of the cube?
jonny [76]
5.48 inches is the closest length of  an edge. I hope this helps. Could you make me the brainliest please?
5 0
3 years ago
The value of y varies directly with x and y=3 when x=-6. Find y when x=1
Iteru [2.4K]
Hi, ok all you need to do is use the direct variation formula which is= y/x=y/x so you will replace your numbers by each value which get us to = 3/-6=y/1 so you cross multiply which gives us 3=-6y you divide 3 by -6 and that is the value of y, thank you for reading hope it helps ;)
6 0
3 years ago
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