Mathematics, 29.07.2020 18:01 carcon2019
Click friends For a market research, a questionnaire on the use of three devices is submitted to the students of a class: computer, tablet, smartphone. The answers show that all the children use at least one tool, namely: 18 children have computers; 19 the tablet; 13 the smartphone; 11 the computer and the tablet; 8 the tablet and smartphone; 9 the computer and smartphone; 7 all three appliances. Determine how many students have: to. the smartphone and the computer, but not the tablet; b. only the smartphone. c. How many students are in the class?
Answers: 3
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Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3
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Mathematics, 21.06.2019 18:00
Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.
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Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)
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Mathematics, 21.06.2019 23:50
Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −
Answers: 1
Click friends For a market research, a questionnaire on the use of three devices is submitted to the...
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