Which of the following is the sequence of triangular numbers?
a) 1, 3, 6, 9, 12, ...
b) 1, 3, 6, 10, 15, ...
c) 3, 6, 9, 12, ...
d) 3, 6, 10, 15, ...
e) 3, 9, 27, 81, ...
B
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Which of the following is an example of an inference?
A. ?The rocks are smooth. B. ?The rocks are brown. C. ?The brown rock feels lighter than the black rock. D. ?The rock is smooth because of weathering.
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Observation is a characteristic of
a. deductive reasoning. b. inductive reasoning.
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What are large, reputation-based groups of people that share a common identity among peers but whose members do not necessarily spend time together?
A. cliques B. crowds C. collectives D. covens
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You can mark important supporting details with
A) numbers. B) colored pens to highlight. C) brackets and marginal abbreviations. D) all of the above.
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