ericatrang
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 Erica
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 18
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Questions Answered

ericatrang:
Group Title
Draw the Lewis structure for the ionic compound that forms from Al and F.
I know that the valence for Al is 3 and F is 7, but I am having t…
 updated 8 months ago
 8 replies
 No Medals Yet
Mathematics

ericatrang:
Group Title
Solve polynomial inequality and graph solution set on a real number line. x^37x^2x7<0
this is what I have so far,
…
 updated 11 months ago
 38 replies
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Mathematics

ericatrang:
Group Title
x^5x^3+6 how do you factor this?
 updated 11 months ago
 22 replies
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Mathematics

ericatrang:
Group Title
the dimensions of a box are 10" by 12" by 16". if the shorter sides are decreasing at the rate of .2"/min. and the longest side is increasin…
 updated 2 years ago
 67 replies
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Mathematics

ericatrang:
Group Title
what are the absolute maximum and minimum values and inflection points of f(x)  x^3(x2)^2, also the intervals on which the function is in…
 updated 2 years ago
 20 replies
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Mathematics

ericatrang:
Group Title
f(x)=ln(cos^5(3x^4)) help with chain rule :s
…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

ericatrang:
Group Title
if y=cos(2x), determine d^80y/dx^80
 updated 2 years ago
 7 replies
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Mathematics

ericatrang:
Group Title
use the following to complete the problems
d/dx(sin^(1)u=(1u^2)^1/2(du/dx)
d/dx(tan^(1)u=(1+u)^1(du/dx)
…
 updated 2 years ago
 4 replies
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Mathematics

ericatrang:
Group Title
I need help on part B
A)y^2=x^3 find dy/dx
which is 3x^2/2y
…
 updated 2 years ago
 2 replies
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Mathematics

ericatrang:
Group Title
if y=sin^2x+cos^2x, determine d^2y/dx^2
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

ericatrang:
Group Title
evaluate limit of theta >0 of (sin 3 theta)/ theta
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

ericatrang:
Group Title
Implicit Differential
I need help with part B and C please
suppose that sq. rt. of x + sq. rt. of y = 10
…
 updated 2 years ago
 13 replies
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Mathematics

ericatrang:
Group Title
find dy/dx for y=10(1+(2(6+7x^4))^(9))^(3))^(5)
 updated 2 years ago
 51 replies
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Mathematics

ericatrang:
Group Title
how does y=x^2(x^31) become 5x^42x using derivatives?
 updated 2 years ago
 4 replies
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Mathematics

ericatrang:
Group Title
suppose sq. rt. of x plus sq. rt. of y = 10
A) find dy/dx
B) what is the slope of the tangent to this curve which passes through (36,16)?…
 updated 2 years ago
 1 reply
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Mathematics

ericatrang:
Group Title
if y=1/sin^(2), determine dy/dx
 updated 2 years ago
 18 replies
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Mathematics

ericatrang:
Group Title
if y=cos(2x), determine d^80y/dx^80
 updated 2 years ago
 2 replies
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Mathematics

ericatrang:
Group Title
if y=cos^2(4x), determine dy/dx
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

ericatrang:
Group Title
if y=sin^(2)*x+cos^(2)*x, determine d^2y/dx^2
 updated 2 years ago
 3 replies
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Mathematics

ericatrang:
Group Title
if y^2=sin(x), determine dy/dx
 updated 2 years ago
 3 replies
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Mathematics