Mathematics, 26.02.2021 17:50 ingle75
For a 35mm camera, the equation 1/f=1/d+1/d represents the focal length (f) of the lens that is needed to produce a clear photograph. The distance from the lens to the film d1 must be adjusted according to the distance from the lens d0. If d1=x^2-4x-12 and d0=4x+8, what is 1/f?
Answers: 1
Mathematics, 21.06.2019 18:00
The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .
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Mathematics, 21.06.2019 20:00
Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2
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Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
For a 35mm camera, the equation 1/f=1/d+1/d represents the focal length (f) of the lens that is need...
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