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 2 months 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 3 months 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 7 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 8 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 8 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 9 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 9 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 9 months ago
 91 replies
 3 Medals
Mathematics

rach_ell:
Group Title
Derivative of Primary Trig Function.
 updated 9 months ago
 8 replies
 No Medals Yet
Mathematics

rach_ell:
Group Title
Implicit Differentiation.
x cos y = sin (x+y)
 updated 9 months ago
 7 replies
 1 Medal
Mathematics

Zejinida:
Group Title
MEDAL FAN!
PLEASE HELP!
IV BEEN STUCK FOR HOURS!
…
 updated 9 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 9 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 9 months ago
 3 replies
 1 Medal
Mathematics

Mariss_llllllllll:
Group Title
What is kinetic friction
 updated 9 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 9 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 9 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 9 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 months ago
 1 reply
 1 Medal
Mathematics

HelloItsJade:
Group Title
First one to comment on here gets a medal!!!! ^.^
 updated 10 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 10 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 10 months ago
 4 replies
 1 Medal
Mathematics
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