You'll have to look at what their goal is; I'm totally ignoring context (such as what the equation means, as has been pointed out) and just answering...
Please show your work, so we can see whether you made a mistake, or just didn't go far enough. How do you know you are not "getting the answer"? (Do...
Not quite. In effect, you just ignored the individual probabilities of an error for each desk, and gave back the percentages for choosing each desk....
What I asked was not how you are calculating the HCF, but how you are defining the HCF of two non-integers: What does it mean that c is the HCF of a...
An alternative way to do this is to calculate the slope of each segment, and see if any two are perpendicular. This is often easier than calculating...
I'm a little confused. What are you saying your calculator can't do? I showed you that it can do not only base 10 and base e logs, but also any base,...
You can only divide numbers. Infinity is not a number. So you can't divide infinity by infinity. You can't do any division involving infinity without...
I was a software engineer for many years, and have been teaching at a community college since 2004. Since 1998, I was a part of Ask Doctor Math (http://mathforum.org/dr.math/ and now http://themathdoctors.org/).