Mathematics, 11.03.2020 00:12 kat9490
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of 2000 hours and a standard deviation of 55 hours. What percentage light bulbs last less than 2080 hours, to the nearest tenth?
Answers: 2
Mathematics, 21.06.2019 13:30
What is the exact volume of the cylinder (radius 13 in., height 30 in.)
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Mathematics, 21.06.2019 15:30
Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.
Answers: 1
Mathematics, 21.06.2019 21:00
Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above
Answers: 2
Mathematics, 21.06.2019 22:40
20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)
Answers: 1
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of...
mean of...
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