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Answers by Stanton D.

So Conny, The globe is a ball (sphere). Imagine a sphere in front of you (or, better yet, go make one out of wheat flour and water, firm but can be rolled into shape). Cut it (mentally, or physically) and look at the exposed surface. Are the shapes of the cut surface (probably, your course...

Dear L, this is a lot of problems to be having trouble with, all at once.... For (1), what's happening to the partial sums as you add more terms from the series? Is it ever going to settle down? For (2), write your series as x = the series. Then, multiply that whole equation by some...

OK Brian, I'll have a crack at it, without a lot of vector math. First of all, if A + B = C, that means that A, B, and C are lying all in some common plane in space. It doesn't matter which plane for the discussion which follows, so we might as well pick a convenient one for discussion,...

Whoa Lucy, The purpose of Wyzant answers isn't to do your problem set for you, it's to get explanations of things or ways of solving problems that maybe your teacher didn't give you (and expected you to find out on your own), *and which weren't in your book or worksheet notes!* (have you...

how 2 get admin (answer)

Dear Mama, Your question isn't specific enough to get answers. What is "admin"? Explain the context of your assignment a little bit, perhaps, too. -- S.

Dear Richard, I can't address this from the standpoint of the requested resource, but some questions you'll have to wrestle with in formulating your own stance might include: 1) What do we need to be able to do to say that we "understand" something? Different relationships are...

Physics Help (answer)

Dear Meg, There's not much to compute here in these problems, because the COP (coefficient of performance) for heating is defined as heat delivered to the hot reservoir divided by the work done. So in each of part (a) and (b), the work (electrical) is 2900/3.0 ~= 967 J (round it as you will)...

Dear Shreya, To answer this question, you have to first know what a local extreme (extremum, in Latin, I suppose) is: it's a place x where the function f(x) has some value, and immediately to each side (for x > or < that x value) of that has values that differ from f(x) in the same...

Dear Taryn, This is not a question about converting. Why don't you draw a picture (diagram) of a 2 L bottle of soda, and a set of much smaller 225 mL cups (oh, I see, it's a question about the prefixes in the metric system that scale your units) = 0.225 L each. Then you'll see that it's just...

Physics Question (answer)

Meg, The answer to your other question should set you on track to answer this one.

Theresa, In order to answer questions like this, you need always to factor your polynomial expression. Fortunately, this one is simple, and mostly done for you. The x^3 is already packaged up. The (x^2-81) needs a bit more work: since it's the difference of two squares (x^2 and 81=9^2)...

Dear Paige, I empathize with your difficulty on this. Your teacher has thrown a lot of word names at you, without apparently walking you through definitions aimed at your general level. Even I, with an excellent technical background, have trouble seeing why this particular set of word names...