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Which one of the following is an example of an indicator? A. High concentration B. Presence of H– ions in solution C. Litmus paper D. Electricity
asked
Nov 22, 2019
Physics
high-school
2
answers
5
votes
215k
views
One equation in a system of equations is y=-3x-1 the system has an infinite number of solutions. What is the slope of another equation in this system M=-3 M=-1/3 M=1/3 M=3 M is slope
asked
Jul 28, 2019
Mathematics
high-school
1
answer
5
votes
47.7k
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