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harina [27]
3 years ago
6

A number cube is tossed 50 times, and a 1 is rolled 18 times. Find the experimental probability of not rolling a 1.

Mathematics
1 answer:
LiRa [457]3 years ago
8 0

Answer:

16/25 = 0.64

Step-by-step explanation:

18 rolls are ones, so 32 rolls are not ones.

The experimental probability is 32/50 = 16/25 = 0.64.

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$200 in the ratio 1:2:2 working out
gtnhenbr [62]

Answer: 40:80:80

Step-by-step explanation:

The ratio is 1:2:2. This means, for every 5, the money is split in a ratio of 1:2:2. Let’s calculate how many 5s there are in 200. 200 / 5 = 40. So, the money will be split in 1:2:2 every 5 dollars 40 times.

Excellent. So, we can easily find out the ratio by multiplying the ratio 1:2:2 by 40. 1*40:2*40:2*40 = 40:80:80. Let’s add these up, and see if they result in 200. 40 + 80 + 80 = 200. So, our answer is correct.

Hope this helps!

4 0
3 years ago
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Answer:

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Step-by-step explanation:

You have to use intercept theorem, also known as Thales's theorem to slvoe this.

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inysia [295]

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3 years ago
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