algebra 2
How do you find the points of intersection, if any, of the equations: x^2 + y^2 = 5 x - y = 1
us history
how was president Woodrow Wilson truly a progressive president?
world history
i don't get the question because at the time in which they developed, the US didn't even exist.
world history
the question is: Why is England and France developing into nations important to us? i need websites where i can get information on this please
Chemistry
I figured out the first one...still struggling with the 2nd...
Chemistry
Q1. The blood volume in a cancer patient was measured by injecting 5.0 mL of Na2SO4(aq) labeled with 35S (t1/2 = 87.4 d). The activity of the sample was 300 µCi. After 22 min, 12.9 mL of blood was withdrawn from the man and the activity of that sample was found to be 0.7...
Chemistry
I also posted the above well before Dr. Bob had answered one of my other questions...
Chemistry
I wasn't talking about DrBob being rude...that would be bobpursely...DrBob has been nothing but helpful while I have used this site as a resource.
Chemistry
One last question...even though no one seems to be willing to help me out without being rude. The blood volume in a cancer patient was measured by injecting 5.0 mL of Na2SO4(aq) labeled with 35S (t1/2 = 87.4 d). The activity of the sample was 300 µCi. After 22 min, 12.9 ...
chemistry
Could you please just explain what I am doing wrong so that I can know how to approach these problems? I appreciate the advice and am well aware I need to go to bed...but I have to get these finished and my professor is out of town attending a memorial service and unable to an...
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