Afaucet drips at a rate of 1 drop per every second. determine how many liters of water are wasted per year.

ANSWER:  

A faucet drips at a rate of 1 drop per every second.Number of liters wasted are 1576.6 liters.

SOLUTION:

Given, a faucet drips at a rate of 1 drop per every second.

We need to find how many liters of water are wasted per year.

Now, let us find how many seconds are there for an year.

1 year = 365 days[ consider non – leap year]

= 365 24 hours

= 365 24 60 minutes

= 365 24 60 60 seconds

= 31,536,000 seconds

Therefore number of drops wasted per year = 1 31,536,000 seconds

No. of drops = 31,536,000. But we are asked how many liters.

No. of liters = [when 1 liter = 20,000drops]

No. of liters = 1576.6 liters

Hence, number of liters wasted are 1576.6 liters.

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

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an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.