Answers by Chris Dolphin
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Answers by Chris Dolphin

Answers by Chris Dolphin
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The square matrix A is called orthogonal provided thatAT=A-1. Show that the determinant of such amatrix must be either +1 or -1.
answered Jun 10, 2020
4 votes
26.9k views
A line passes through the point (2, -4) and has a slope of 0, what is the equation of the line? Plz help fast
answered Jan 19, 2020
4 votes
79.7k views
What is a scientific theory? A. a reasonable guess based on instinct B. an imaginative idea explaining natural phenomena C. a broad, evidence-based explanation for a phenomenon D. a tentative statement
answered Sep 13, 2019
3 votes
46.2k views
Write a Letter to Congress in favor of Economy Standards.
answered Jul 29, 2019
2 votes
161k views
Who does napoleon marry on april 2, 1810? why did napoleon choose this particular girl?
answered Jul 12, 2019
5 votes
165k views
Is forty 1/10 of 0.4
answered Apr 27, 2019
2 votes
150k views
Can someone help me please with the whole page?? Plzzz I need help!!!
answered Apr 20, 2018
3 votes
175k views
Get help on stoichiometry
answered Jan 11, 2018
4 votes
21.7k views
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