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statuscvo [17]
3 years ago
9

Write an equation in point -slope form for the line through the given point with the given slope

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0

Answer:

C) y+2=-1/2(x+4)

Step-by-step explanation:

y-y1=m(x-x1)

m=slope & (x1, y1) is a point on the line

m=-1/2

y-(-2)=-1/2(x-(-4))

y+2=-1/2(x+4)

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We are throwing darts on a disk shaped board of radius 5. We assumethat the position of the dart is a uniformly chosen point in
Vika [28.1K]

Answer:

5% is the smallest probability

Step-by-step explanation:

5% = 0.05

2000 x 0.05 = 100 so the smallest chance is 5% but it could be more if you hit more bullseye

8 0
3 years ago
Divide. Round to the nearest tenth if necessary. 11.4 divided by 19​
Nana76 [90]
11.4 divided by 19 is 0.6
3 0
3 years ago
Read 2 more answers
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
There are 25 kids in a class, and the number of boys is 2/3 of the number of girls. How many boys and how many girls are in this
Ksju [112]
25 kids in all
2xboys:3x girls
 
so the equation would be 
2x+3x=25
solve,
5x=25
/5           /5
x=5
2x=10
3x=15


10 boys and 15 girls



3 0
3 years ago
A store has apples on sale for 28.00 for 8 pounds. If an apple is approximately 5 ounces, how many apples can you buy for $112.0
mrs_skeptik [129]

Answer:

112 divided by 4 is 28. So 16 times 4 = 64. 64 divided by 5 is 12. 12 apples per 8 pounds. so 12 times 4 is 48 so your answer is 48

Step-by-step explanation:

7 0
3 years ago
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