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Rudik [331]
3 years ago
12

The energy saved by recycling one glass bottle is enough to power a washing machine for 10 minuets. How many recycled glass bott

les will it take to power a washing machine for one hour?
Mathematics
2 answers:
Mrac [35]3 years ago
4 0
There are 60 minutes in one hour.
Divide 60 minutes by 10 minutes.

You get 6. That means you would need 6 recycled bottles to power a washing machine for one hour (that will be awesome if that were the case).

Have an awesome day! :)
Dmitry [639]3 years ago
3 0

\huge\boxed{6}

It asks how if recycling one glass bottle can power a washer for 10 mins how many glass bottles will you need for an hour...

There's 60 mins in an hour.

We need to use division to get the answer.

\boxed{60\;Divided\;by\;10\;=6}

Therefore, your final answer is 6.

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The number of correct answers follows binomial distribution, in which we have:

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So, the variance for a variable x that follows a Binomial distributions is:

V(x)=n*p*(1-p)

Then, the variance for the number of correct answers is:

V(x)=15*(1/4)*(3/4) = 2.8125 ≈ 2.8

Because n is equal to 15, p is equal to 1/4 and (1-p) is equal to 3/4.

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