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lukranit [14]
3 years ago
7

A bus and a car move towards each other. The speed of the bus is 50 km per hour, and the speed of the car is 70 km per hour. How

much closer to each other are they becoming every hour?
Mathematics
1 answer:
deff fn [24]3 years ago
7 0
120km. 

Speeds that are travelling towards each other may be added together since we are looking for a total distance traveled. 
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Two boys and three girls are auditioning to play the piano for a school production. Two students will be chosen, one as the pian
Sergio039 [100]
The answer is 0.24

To calculate this, a multiplication rule is used. The multiplication rule calculates the probability that both of two events will occur. In this method, the probabilities of each event are multiplied. Here we have two events:

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2. The probability that the alternate will be a girl.


So, let's calculate these probabilities:

There are in total 5 children:

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1. The probability that the pianist will be a boy is 2 boys out of 5 children, which is 2/5.

2. The probability that the alternate will be a girl is 3 girls out of 5 children, which is 3/5.


<span>The probability that the pianist will be a boy and the alternate will be a girl is:</span>

<span>2/5 </span><span>× 3/5 = 6/25</span>

<span>6/25 </span><span>× 4/4 = 24/100 = 0.24</span>

3 0
3 years ago
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answer : $1440 i believe.

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