Answers by Darrell Teague
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Answers by Darrell Teague

Answers by Darrell Teague
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Using Cramer's rule, what is the value of x in the system of equations below? -x-3y=-3 -2x-5y=-8 a.| -3 -3 | |_ -8-5_|=-2 -1 b.| -3 -3 | |_-8-5_|=9 -1 c.| -1 -3 | |_-2 -8_|=-2 -1 d.| -1 -3 | |_-2-8_|=9
answered Jul 22, 2018
3 votes
49.8k views
A 32.00 mL sample of an unknown H3PO4 solution is titrated with a 0.110 M NaOH solution. The equivalence point is reached when 28.23 mL of NaOH solution is added. What is the concentration of the unknown
answered Jun 20, 2018
5 votes
213k views
A telephone company charges a fixed monthly rate plus a rate per minute of usage. The company charges $155 for 100 minutes of usage and $245 for 200 minutes of usage. An equation can be written to show
answered Oct 6, 2017
6 votes
169k views
The writing of the period reflects a new national culture and identity. What do these passages suggest about the thoughts, feeling, or lives of early Americans?
answered Oct 3, 2017
6 votes
132k views
What is the solution to the system of equations graphed below? y = x - 2 y = 4x - 5
answered Aug 7, 2017
7 votes
180k views
If you've been vaccinated against measles,you won't get measles.how does that work?
answered Mar 16, 2017
0 votes
100.0k views
What is the unit rate in 49 points in 7 games
answered Dec 16, 2016
1 vote
195k views
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