Answers by Ptomli
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Answers by Ptomli

Answers by Ptomli
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The life expectancy (in hours) of a fluorescent tube is normally distributed with a mean 8000 and a standard deviation 1000. find the probability that a tube lasts for more than 11000 hours.
answered Mar 8, 2019
3 votes
134k views
A gym hold a 60 minute time exercise class on Saturday a several 45 minute classes during. The week last week all of the classes lasted a total of 285 minutes. Write an equation you can use to find the
answered Feb 10, 2019
1 vote
51.7k views
What is the width of a rectangle with an area of 5/8in and the length of 10in?
answered Dec 7, 2018
3 votes
131k views
David's racehorse weighs 700 kilograms. How much does it weigh in grams? Be sure to include the correct unit in your answer.
answered Oct 21, 2018
2 votes
93.9k views
The earliest forms of life on earth were photosynthetic. Please select the best answer from the choices provided T F
answered Sep 12, 2018
4 votes
30.8k views
Inferring helps you get more out of the text and what is written in black-and-white true or false
answered Aug 23, 2018
3 votes
1.7k views
Which sentence uses the word you’re correctly? I always see you’re mother at the bookstore. Is it you’re mother who wrote that book about chimpanzees? It looks like you’re a pretty good writer yourself.
answered Jul 27, 2017
3 votes
214k views
Against abortion and need help with a persuasive essay writing
answered Jul 14, 2017
7 votes
68.9k views
Does anyone know what. What Times what equals 41
answered Feb 3, 2015
4 votes
10.1k views
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