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neonofarm [45]
2 years ago
5

What is the theorem that states a perpendicular line to the hypotenuse splits the triangle into two similar right triangles?

Mathematics
1 answer:
iogann1982 [59]2 years ago
5 0

Answer:Pythagoras

Step-by-step explanation:

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A road is 450 metres long . It takes a woman 5 minutes to walk along the road . Work out the average speed of the woman . Give y
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Miriam is picking out some movies to rent, and she is primarily interested in comedies and foreign films. She has narrowed down
Keith_Richards [23]

Answer:

There are 795 combinations.

Step-by-step explanation:

The number of ways or combinations in which we can select k element from a group of n elements is given by:

nCk=\frac{n!}{k!(n-k)!}

So, if Miriam want to choose 3 movies with at least two comedies, she have two options: Choose 2 comedies and 1 foreign film or choose 3 comedies.

Then, the number of combinations for every case are:

1. Choose 2 Comedies from the 10 and choose 1 foreign film from 15. This is calculated as:

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10C2*15C1=675

2. Choose 3 Comedies from the 10. This is calculated as:

10C3=\frac{10!}{3!(10-3)!}=120

Therefore, there are 795 combinations and it is calculated as:

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Step-by-step explanation:

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