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ValentinkaMS [17]
3 years ago
6

After selling half his old games, Sam went and bought 8 new ones. He

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0

Answer: He started with 44

Step-by-step explanation: 44/2=22

22+8= 30

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ATCs are required to undergo periodic random drug testing.
aleksandr82 [10.1K]

Answer:

The responsess to the given question can be defined as follows:

Step-by-step explanation:

P(medication\ used) = 0.007 \\\\P( drug \not\ used ) = 1 - 0.007 = 0.993\\\\P(test\ positive  | medication \ used) = 0.96 \\\\ P(test \ negative | medication \ used) = 1 - 0.96 = 0.04\\\\

P(Point | Non-used\ medication )=0.93\\\\ P(Point |No\ medication ) = 1 - 0.93 = 0.07

As per the given info we draw the tree diagram which is defined in the attachment file.

P ( test \ is\  positive ) = P( medication \ used ) \times P( Test \ positive | medication \ used ) + P( medication not \ used ) \times  P( Test\ positive | medication \ not \ used )

                  = ( 0.007 \times 0.96 ) + ( 0.993\times 0.07 )\\\\= 0.0762

P( medication \ used | test\ positive )= \frac{\textup{P( medication used ) *P( Test positive given medication  used )}}{\textup{P( medication used )}}  

= \frac{( 0.007\times 0.96 )}{0.0762}\\\\= 0.0882

8 0
2 years ago
What is the y-intercept of the line ?
antiseptic1488 [7]
It’s 1
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8 0
3 years ago
Read 2 more answers
Niki wants to buy a dog bed the cost $87. She earns $6 per week for doing chores. How many weeks will Niki have to do her chores
Viktor [21]

Answer:

The answer to your question is 14.5 weeks

Step-by-step explanation:

Data

Total cost = C = $87

money earned = m = $6

Number of weeks to have the money = w = ?

Process

1.- Write an equation that represents the situation

            Weeks = Total cost / Money earned

             w = C/m

2.- Substitute the values

             w = 87 / 6

3.- Result

             w = 14.5

4.- Conclusion

Niki will last 14.5 weeks to have enough money to buy a dog bed.

7 0
2 years ago
A time capsule was sealed in 1940 and will be opened on the same date in 2018.How long will the time capsule remain sealed
Ludmilka [50]
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6 0
3 years ago
"when the population standard deviation is unknown, sample size is less than 30, and the population has a normal or near-normal
dezoksy [38]
<span>The population standard deviation is unknown, sample size is less than 30, and the population has a normal or near-normal distribution</span>.
5 0
3 years ago
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