Answers by Sergey Petruk
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Answers by Sergey Petruk

Answers by Sergey Petruk
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Which of the following scientists was a student of Tycho Brahe and gathered data that confirmed the heliocentric model of the solar system? Galileo Kepler Newton Ptolemy
answered Oct 23, 2017
5 votes
46.0k views
Please let me know if I needed to put a negative or not, 52 - -7 = 59? 25 - -7 = 32?
answered Jul 21, 2017
2 votes
172k views
Melody stated that the sum of a positive and a negative integer equals a negative integer or 0. Use these numbers to answer the questions: –7, 3, 8, –5, 7 (a) Is this statement always true, sometimes true,
answered Apr 29, 2017
4 votes
193k views
What is the place value of the 4s in 440
answered Jul 30, 2016
0 votes
55.0k views
The function of muscular contractions that force water into the tube feet is a. regeneration. b. allowing the echinoderm to float with ocean currents. c. digestion. d. to enable the echinoderm to attach
answered Feb 16, 2015
4 votes
158k views
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