mahagonylabeyta
21.06.2021 •
Mathematics
In a math class with 21 students, a test was given the same day that an assignment was due. There were 14 students who passed the test and 16 students who completed the assignment. There were 12 students who passed the test and also completed the assignment. What is the probability that a student chosen randomly from the class passed the test or completed the homework?
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Ответ:
A = (6) * (12)
A = 72 feet ^ 2
For each 40 watt bulb we have:
(515) / 72 = 7.152777778 footcandle
The number of 40 watt bulbs is:
N = (50) / (7.152777778)
N = 7, 40 watt bulbs
will be required about:
N = 7, 40 watt bulbs