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Mathematics 32 Online
OpenStudy (tim):

Ask your question to me -- I'm a math expert :)

OpenStudy (anonymous):

Wow!nice to have such a math expert :) Erm, I wanna ask something about the formula for curvature. I know that it is dT/ds but how does it become llT'(t)ll/llr'(t)ll and llr'(t)xr'(t)ll'llr'(t)ll^3 ? can you explain how it is derived? ^^Thank you!

OpenStudy (anonymous):

hi you ask this where it says ask a question on the left side so more people will see it :)

OpenStudy (anonymous):

oh,okay,haha:) I 'm really new to this kind of group study. Thanks for the advice^^

OpenStudy (anonymous):

You're welcome :-) I see Tim posted it for you :-)

OpenStudy (anonymous):

Tim could you answer one of my math problems i posed?

OpenStudy (anonymous):

thats awesome..did you see my question? is there a way u can explain it to me? ( as if Im learning it for the first time)

OpenStudy (anonymous):

Find the volume for the regular pyramid.

OpenStudy (anonymous):

https://media.glynlyon.com/g_geo_2012/8/groupi77.gif

OpenStudy (anonymous):

give a graph of the function and identify the locations of all critical points 7\[\sqrt[7]{x-5}\]

OpenStudy (anonymous):

The sum of all the terms of a finite arithmetic progression is 75. If the common difference is 2 and the third term is 17, how many terms are there?

OpenStudy (anonymous):

write a mixed number that is greater than 12/4 and less than 15/4?

OpenStudy (anonymous):

There are 10 boys and 8 girls on the cross-country team. The ratio of boys to girls participating in track and field is proportional to the ratio of boys to girls on the cross-country team. Which could be the number of boys and girls participating in track and field?]

OpenStudy (anonymous):

the costs of two sound systems were decreased by $10. the original costs of the systems were $90 and $60. without calculating, which had a greater percent decrease? explain

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