rach_ell
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 Rachel
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 "I think it's much more interesting to live not knowing than to have answers which may be wrong."
 Richard P. Feynman
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Questions Answered

rach_ell:
Group Title
Limit of tan5x/sin2x as x approaches 0.
This is what I have so far, but I'm not sure what to do next. Any ideas? …
 updated 5 days ago
 11 replies
 1 Medal
Mathematics

rach_ell:
Group Title
How would I approach this problem?
For G(t)=t/(t+4), find and simplify [G(a+h)G(a)]/h
 updated one month ago
 8 replies
 No Medals Yet
Mathematics

rach_ell:
Group Title
Given vector a=3, vector b=5, and vector a + vector b=7, determine vector a  vector b.
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

rach_ell:
Group Title
Two cars are moving along a circular track of radius 40 m. The two cars were moving with constant angular speeds of 0.13 rad/s and 0.18 rad/…
 updated 6 months ago
 7 replies
 2 Medals
Mathematics

damoss:
Group Title
Find the forces exerted by the two supports of a 4.0m, 50kg uniform cantilever (diving board) when a 8.5kg duck stands at the opposite en…
 updated 6 months ago
 4 replies
 1 Medal
Mathematics

rach_ell:
Group Title
Given the derivative of a function, how would I find the increasing and decreasing intervals of the function? I have not learned how to take…
 updated 7 months ago
 13 replies
 No Medals Yet
Mathematics

FunMedley:
Group Title
The length of one side of a square is √58 inches. What is the area of the square?
A.
…
 updated 7 months ago
 24 replies
 2 Medals
Mathematics

damoss:
Group Title
show that the derivative of [1/(2a)]ln[(a+x)/(ax)] is 1/[(a^2)(x^2)]
 updated 7 months ago
 91 replies
 3 Medals
Mathematics

rach_ell:
Group Title
Derivative of Primary Trig Function.
 updated 7 months ago
 8 replies
 No Medals Yet
Mathematics

rach_ell:
Group Title
Implicit Differentiation.
x cos y = sin (x+y)
 updated 7 months ago
 7 replies
 1 Medal
Mathematics

Zejinida:
Group Title
MEDAL FAN!
PLEASE HELP!
IV BEEN STUCK FOR HOURS!
…
 updated 7 months ago
 5 replies
 No Medals Yet
Mathematics

rach_ell:
Group Title
Launching a spring at an angle from an elevated surface: derive a simplified expression for "x," stretch of the spring, using conservation o…
 updated 7 months ago
 58 replies
 3 Medals
Mathematics

trever74:
Group Title
find the domain and range of the following relation {(2,5), (1, 3), (8, 4), (4, 1), (7, 9)}
 updated 7 months ago
 3 replies
 1 Medal
Mathematics

Mariss_llllllllll:
Group Title
What is kinetic friction
 updated 7 months ago
 3 replies
 1 Medal
Mathematics

rach_ell:
Group Title
I have a question about the reaction mechanism shown in this diagram: http://en.wikibooks.org/wiki/Biochemistry/Peptide_Bond_Formation
I'm …
 updated 7 months ago
 18 replies
 No Medals Yet
Mathematics

KinzaN:
Group Title
Launching a spring at an angle from an elevated surface:
derive a simplified expression for "x," stretch of the spring, using conservation f…
 updated 7 months ago
 10 replies
 1 Medal
Mathematics

rach_ell:
Group Title
I'm studying the reaction mechanism of polymerization (condensation), specifically from several amino acids (glycine) into a polypeptide. Wh…
 updated 8 months ago
 11 replies
 No Medals Yet
Mathematics

rach_ell:
Group Title
For my project, I have to build a polypeptide chain from the polymerization reaction of two amino acid molecules (glycine). Since the bond a…
 updated 8 months ago
 17 replies
 2 Medals
Mathematics

rach_ell:
Group Title
A small mass m is tied to a ceiling of hight h=5l/4 by a string of length l and attached to the floor by a massless spring with spring const…
 updated 8 months ago
 5 replies
 1 Medal
Mathematics

itsannalea:
Group Title
really quick help for fan/medal?
Write the product as a trinomial
(k – 1)(k – 4)
…
 updated 8 months ago
 3 replies
 1 Medal
Mathematics

baybay88:
Group Title
MEDAL what is the equation in standard form, if a parabola that models the values on the table?
x 2 0 4
f(x) 4 6 70
 updated 8 months ago
 6 replies
 No Medals Yet
Mathematics

baybay88:
Group Title
medal! Write the equation in slopeintercept from. What are the slope and y intercept?
6x+3y=12
 updated 8 months ago
 26 replies
 1 Medal
Mathematics

madeline.grey:
Group Title
What is the slope of the line 2x + 5y = 10?
Choose one answer.
a. negative five halves
…
 updated 8 months ago
 10 replies
 1 Medal
Mathematics

madeline.grey:
Group Title
To graph the equation y equals negative one half times x minus 3 using the slope and yintercept, you would have to do which of the followin…
 updated 8 months ago
 3 replies
 1 Medal
Mathematics

HelloItsJade:
Group Title
What is the median of the following set of numbers?
176, 190, 196, 176, 164, 218, 209, 239, 209, 230
…
 updated 8 months ago
 8 replies
 No Medals Yet
Mathematics

Kmcerullo:
Group Title
Which of the following represents a relation that is not a function?
A.x,y
10,25
…
 updated 8 months ago
 1 reply
 1 Medal
Mathematics

madeline.grey:
Group Title
Compare and Contrast. Below are two sets of points. Find the slopes between the two points and compare them. Choose the statement that is tr…
 updated 8 months ago
 1 reply
 1 Medal
Mathematics

HelloItsJade:
Group Title
First one to comment on here gets a medal!!!! ^.^
 updated 8 months ago
 13 replies
 3 Medals
Mathematics

keke_luvs_u:
Group Title
what is the unit price for one CD if CDs cost 30.00?
…
 updated 8 months ago
 1 reply
 No Medals Yet
Mathematics

troyboygines4201:
Group Title
What is the simplified improper fraction of 2 9/10?
MEDAL AND FAN GIVEN
 updated 8 months ago
 4 replies
 1 Medal
Mathematics
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