SOCRATIC
Subjects
Science
Anatomy & Physiology
Astronomy
Astrophysics
Biology
Chemistry
Earth Science
Environmental Science
Organic Chemistry
Physics
Math
Algebra
Calculus
Geometry
Prealgebra
Precalculus
Statistics
Trigonometry
Social Science
Psychology
Humanities
English Grammar
U.S. History
World History
... and beyond
Scratchpad
Ask question
Log in
Sign up
×
Loading...
sjc has helped students
times in
Activity
Summary of contribution activity by day
On a 1 day streak. Longest streak: 36 days
20 thank you notes
Someone from Mons, Belgium
Thank you
for this
answer
19 hours ago
·
Like
@chris-56
Chris
Thanks so much
for this
answer
yesterday
·
Like
Someone from San Francisco, United States
Thank You!!!!!!!!!!!!!!!!
for this
answer
1 week ago
·
Like
Show more
sjc
sjc joined Socratic 6 months ago. sjc hasn't written a biography yet.
40K karma · Newton Abbot Devon UK
Recent collaborators
Activity
582 Answers
83 Edits
@sjc
sjc
wrote an answer to
What is the derivative of #tan^10( 5x)#?
.
14 hours ago
·
Like
@sjc
sjc
wrote an answer to
Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard deviation σ=15. Find the probability that a randomly selected adult has an IQ less than 127? 127.
.
15 hours ago
·
Like
@sjc
sjc
updated
the answer to
If Equations #x^2+ax+b=0# & #x^2+cx+d=0# have a common root and first equation have equal roots,solve Then prove that 2(b+d)=ac How to prove?solve
.
2 days ago
·
Like
@sjc
sjc
wrote an answer to
If Equations #x^2+ax+b=0# & #x^2+cx+d=0# have a common root and first equation have equal roots,solve Then prove that 2(b+d)=ac How to prove?solve
.
2 days ago
·
Like
@sjc
sjc
wrote an answer to
The volume of a cylinder is #540##pi# #ft^3#. The height is #15# #ft#. What is the diameter of the cylinder?
.
3 days ago
·
Like
@sjc
sjc
wrote an answer to
Are these pair of vectors is orthogonal? 3i-8j, -8i-3j
.
3 days ago
·
Like
@sjc
sjc
updated
the answer to
How to demonstrate this with mathematical induction?#P(n):n^3+5n# divide with 6 is true #forall ninNN#.
.
3 days ago
·
Like
@sjc
sjc
updated
the answer to
How to demonstrate this with mathematical induction?#P(n):n^3+5n# divide with 6 is true #forall ninNN#.
.
3 days ago
·
Like
@sjc
sjc
wrote an answer to
How to demonstrate this with mathematical induction?#P(n):n^3+5n# divide with 6 is true #forall ninNN#.
.
3 days ago
·
Like
@sjc
sjc
wrote an answer to
Let * be defined in Z by: m*n=m+n+2 a) show that every element of Z has an inverse under *. ?
.
6 days ago
·
Like
Show more activity
Loading...
Loading...
Loading...