Mathematics, 14.04.2020 23:57 DiamondW1258
The lightbulbs used to provide exterior lighting for a large office building have an average lifetime of 600 hr. If length of life is approximately normally distributed with a standard deviation of 40 hr, how often should all the bulbs be replaced so that no more than 25% of the bulbs will have already burned out
Answers: 1
Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x^2-5< or equal to 0
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Mathematics, 21.06.2019 19:30
The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
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Mathematics, 21.06.2019 23:30
Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday
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The lightbulbs used to provide exterior lighting for a large office building have an average lifetim...
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