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Which of the following statements is false? The sum of two rational numbers is always rational. The sum of a rational number and an irrational number is always rational. The product of a nonzero rational
asked
Jul 2, 2018
Mathematics
high-school
2
answers
1
vote
137k
views
Joseph studied whether different materials can block certain electromagnetic waves by testing television reception in different parts of the house. At each part of the house, Joseph used a different antenna.
asked
Jun 22, 2018
Biology
high-school
1
answer
2
votes
219k
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