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Joe B. has helped students
times in
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Summary of contribution activity by day
Longest streak: 5 days
1 thank you note
@izzy-h
Izzy H.
Thank you soooooooooooooo much! I thought I got something really wrong in my calculations! Thanks for clarifying it for me!
All the best! (ï¾‰â—•ãƒ®â—•)ï¾‰*:ï½¥ï¾Ÿâœ§
for this
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1 week ago
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Joe B.
Joe B. joined Socratic 4 weeks ago. Joe B. hasn't written a biography yet.
1,900 karma
Recent collaborators
Activity
19 Answers
8 Edits
@joe-b-3
Joe B.
wrote an answer to
How shall I proceed in this sum? If #x=sint# and #y=sin2t#, prove that (i) #(1-x^2)(dy/dx)^2=4(1-y^2)# (ii) #(1-x^2)(d^2(y)/dx^2)-xdy/dx+4y=0#
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4 days ago
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@joe-b-3
Joe B.
wrote an answer to
What is the number rounded to the nearest thousand? # 12,543#
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4 days ago
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@joe-b-3
Joe B.
wrote an answer to
A) 9.80g of water vapor condenses on a soda can at 100.0Â°C? Given : latent heat of vaporization 2260 J/g latent heat of fusion 334 J/g (i) State the phase change for the above process (ii) Calculate the amount of energy transfer
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4 days ago
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@joe-b-3
Joe B.
wrote an answer to
How do you differentiate #f(x) = (sinx)/(1-cosx)# using the quotient rule?
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5 days ago
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@joe-b-3
Joe B.
wrote an answer to
When taking a 7 question multiple choice test,where each question has 5 possible answers,it would be unusual to get ...........or more questions correctly by guessing alone?
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5 days ago
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@joe-b-3
Joe B.
commented
I thought I was finished, but WolframAlpha disagreed.
https://www.wolframalpha.com/input/?i=d%5E2((x%2B4
)%5E3%2F(x%5E2%2F3+%2B+1))%2Fdx%5E2
I fixed some foolish typos and I think I finally have the correct answer.
on
Is #f(x) =(x+4)^3/(x^2/3+1)# concave or convex at #x=8#?
5 days ago
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@joe-b-3
Joe B.
updated
the answer to
Is #f(x) =(x+4)^3/(x^2/3+1)# concave or convex at #x=8#?
.
5 days ago
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@joe-b-3
Joe B.
commented
Whew... done!
on
Is #f(x) =(x+4)^3/(x^2/3+1)# concave or convex at #x=8#?
6 days ago
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@joe-b-3
Joe B.
updated
the answer to
Is #f(x) =(x+4)^3/(x^2/3+1)# concave or convex at #x=8#?
.
6 days ago
·
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@joe-b-3
Joe B.
updated
the answer to
Is #f(x) =(x+4)^3/(x^2/3+1)# concave or convex at #x=8#?
.
6 days ago
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