Mathematics, 01.08.2021 01:00 montgomerykarloxc24x
Two lottery tickets are to be chosen from 20 tickets for first and second prizes. How many ways can this be done.β
Answers: 3
Mathematics, 21.06.2019 16:00
Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?
Answers: 1
Mathematics, 21.06.2019 17:30
James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum
Answers: 2
Two lottery tickets are to be chosen from 20 tickets for first and second prizes. How many ways can...
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