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shepuryov [24]
3 years ago
10

A box contains 100 colored chips; some are violet and some are red. Wilson chooses a chip at random, records the color, and plac

es it back in the bag. Wilson has recorded 9 violet chips and 16 red chips. Using these results, what is the predicted number of violet chips in the box?
11

25

36

75
Mathematics
2 answers:
ra1l [238]3 years ago
5 0
36 because 9+16= 25, which is a 1/4 of 100. You would then take 9*4 to get the correct answer. 

Dmitriy789 [7]3 years ago
4 0
I would estimate 36 violet chips

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3 years ago
A planr leaves and flies due north at 280 miles per hour. AT the same time another plane takes off from the same airport and fli
kompoz [17]

Answer:

Distance between the two planes after 1 hour = 410 miles

Step-by-step explanation:

Given - A plane leaves and flies due north at 280 miles per hour. At

            the same time another plane takes off from the same airport

            and flies due east at a speed of 300 miles per hour.

To find - What is the distance between the two planes after 1 hour ?

Proof -

Given that , Plane 1 flies due north at a speed of 280 miles per hour.

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Total distance traveled in 1 hour = 280 miles

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Plane 2 flies due east at a speed of 300 miles per hour.

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Total distance traveled in 1 hour = 300 miles.

The diagram is as follows :

Now,

We have to find the distance after 1 hour i.e. AC

In Triangle ABC ,

By using Pythagoras theorem, we get

AC² = BC² + AB²

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Distance between the two planes after 1 hour = 410 miles

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