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Type: Posts; User: derobert

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  1. Answers
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    386

    People are working on just storing the CO2...

    People are working on just storing the CO2 underground, and also on converting it back into hydrocarbons. Wikipedia has an overview: Carbon capture and storage - Wikipedia, the free encyclopedia
    ...
  2. Answers
    2
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    1,735

    That's quite a bit of moisture getting into it...

    That's quite a bit of moisture getting into it from somewhere!
  3. Wow, who wrote this thing? The answer to the...

    Wow, who wrote this thing?

    The answer to the first (#5) question "all of the above" isn't an option, and two of the answers (B and D) are the same thing. And it gets worse from there...
  4. Answers
    3
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    386

    The plant uses energy (sunlight) to split CO2...

    The plant uses energy (sunlight) to split CO2 (and H2O).

    Photosynthesis - Wikipedia, the free encyclopedia

    I don't see any reason it couldn't be done, except for the energy requirements. So it...
  5. Answers
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    424

    1 + 1.02^2 + 1.02^3 + \dots + 1.02^{19} ...

    1 + 1.02^2 + 1.02^3 + \dots + 1.02^{19}

    Wouldn't you just solve that? (Oh, and is there a term missing; should there be a + 1.02 from 1.02^1 in there?). According to my calculator,

    1 +...
  6. Answers
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    3,378

    I'm sorry I wasn't clearer... My answer to your...

    I'm sorry I wasn't clearer... My answer to your bolded question is "no", and the rest of that first paragraph is why I believe that answer to be correct: it is naturally drier in many places than...
  7. Tape doesn't work like that. It isn't a file...

    Tape doesn't work like that. It isn't a file system. You can erase the tape, or just write over it, but you don't add and delete files like you do a file system.

    If you want to write over it, just...
  8. You can use tar to read the tape if it was...

    You can use tar to read the tape if it was written by tar.

    e.g. tar xf /dev/st0

    I'd suggest setting the read-only tab on your tape if it has one.

    Hopefully however you backed up the Oracle...
  9. Answers
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    1,161

    Divide the mass by the density to get volume....

    Divide the mass by the density to get volume. Divide the volume by the area of the dish.

    \frac{g}{\frac{g}{\mathrm{cm}^3}} = g \cdot \frac{\mathrm{cm}^3}{g} = \mathrm{cm}^3
    ...
  10. Answers
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    860

    Suppose you have three candidates, A, B, and C....

    Suppose you have three candidates, A, B, and C. You prefer A, would be OK with B, and hate C. What you'd like to do is, of course, vote for A.

    Now, with out simple majority system, you also have...
  11. Answers
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    3,378

    It's not the dehumidifier. It may lower humidity...

    It's not the dehumidifier. It may lower humidity to 30% or so if you're really overdoing it, but quite a few places the indoor humidity is lower than that naturally in the winter.

    This wouldn't...
  12. Answers
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    617

    Surely the fire department, gas company, etc....

    Surely the fire department, gas company, etc. have brought out accurate, calibrated CO meters? How do their readings compare to yours?
  13. Answers
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    2,143

    Can we get a picture of this breaker? Is it...

    Can we get a picture of this breaker? Is it possible you're reading it wrong?

    Off should damn well mean off.
  14. Well, if you have the cooperation of the server's...

    Well, if you have the cooperation of the server's owner, you could install a private line (e.g. a T1) between the two. Expect to pay hundreds of $/mo for this. Most likely it'd make more sense to...
  15. Answers
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    5,595

    You can refer to non-my variables by name, the...

    You can refer to non-my variables by name, the syntax looks like this:

    $frequency2 = 10;
    my $var_name = "frequency2";
    print $$var_name, "\n";

    but you probably don't want to. If you have a...
  16. Answers
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    498

    UNIX systems don't use file extensions to...

    UNIX systems don't use file extensions to determine if something is executable. Instead, they use the file permissions.

    $ ls -l /bin/ls
    -rwxr-xr-x 1 root root 101992 2008-04-04 10:58 /bin/ls
    ...
  17. Answers
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    54,844

    I have a confession to make. I can confirm...

    I have a confession to make. I can confirm empirically where it goes.

    My dishwasher has an air gap.

    First, it removes the stopper from the other sink. With a rather impressive force, really....
  18. Answers
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    620

    Comment on terryg752's post

    Not possible, even.
  19. Question: Verb tense

    by derobert
    Answers
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    706

    To me, "right now" makes it sound like it should...

    To me, "right now" makes it sound like it should be in the present not the present perfect tense. So you'd get "right now, we import more goods than we export."
  20. Answers
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    1,263

    To get 70 pieces, you need to cut enough rows and...

    To get 70 pieces, you need to cut enough rows and columns so the product (multiply them together) of those two is 70. There are several ways to make 70:

    70 * 1 (duh)
    35 * 2
    14 * 5
    10 * 7

    Of...
  21. Answers
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    https://www.askmehelpdesk.com/language/announcemen...

    https://www.askmehelpdesk.com/language/announcement-u-b-read-first-expectations-homework-help-board-b-u.html
  22. Answers
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    1,264

    A heat pump normally has two sources of heat (1)...

    A heat pump normally has two sources of heat (1) the compressor outside; this normally feels cool at the vent (2) electric resistive heating; this normally feels warm at the vent. It sounds like you...
  23. Did it go back to normal in a few minutes and was...

    Did it go back to normal in a few minutes and was the fan off? If so, I think you just watched a defrost cycle.
  24. Answers
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    860

    Billion - Wikipedia, the free encyclopedia...

    Billion - Wikipedia, the free encyclopedia
  25. Answers
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    Sounds like you called up the owner's association...

    Sounds like you called up the owner's association (do they own the property?) and asked to rent it. They said no. This isn't you being subject to the association, this is the association using its...
  26. Question: Algebra II

    by derobert
    Answers
    2
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    1,149

    Surely you've been given some guidance in class...

    Surely you've been given some guidance in class on how to do these? Personally, I'd use Newton's law of gravitation, but then it becomes a physics question, not a math question.

    Also, there isn't...
  27. Answers
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    2,473

    A confused student?

    A confused student?
  28. Answers
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    450

    Check the cooling fans for dust/lent buildup, may...

    Check the cooling fans for dust/lent buildup, may be overheating.
  29. Answers
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    1,873

    I have a 600 page, double-wide book which covers...

    I have a 600 page, double-wide book which covers no more than the history of the rational numbers (and mostly just counting numbers). (The Universal History of Numbers, Ifrah).

    The history of...
  30. Answers
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    441

    To the gentleman who called me a depreciating...

    To the gentleman who called me a depreciating asset there is a response which quotes the posting... can't find the original posting.
  31. Answers
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    1,770

    Sure, you can use any input channel except phono,...

    Sure, you can use any input channel except phono, just like the instruction say. Which inputs do you have open?
  32. Answers
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    1,781

    The test of what? The scores from doing what? ...

    The test of what? The scores from doing what?

    Not sure without that info, but it sounds like just none of their test subjects got the highest score. For example, if this were a vocab test, the...
  33. Question: Proof read

    by derobert
    Answers
    2
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    639

    Editing the entire essay would take a fair bit of...

    Editing the entire essay would take a fair bit of work. Personally, I'm pretty harsh when it come to editing things... so you'd likely not want me to tear into it anyway. I have skimmed over it, and...
  34. Answers
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    2,077

    Actually, this is isn't a problem requiring a...

    Actually, this is isn't a problem requiring a calculator, annoying decimal multiplication, etc. In very drawn out steps:

    \frac{\sqrt{7}}{5 \sqrt{7}} = \frac{1 \sqrt{7}}{5 \sqrt{7}} =...
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