roselin
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Questions Answered

roselin:
what does the following mean? Calculate single ion activity coefficients for Cs^+, Cd^2+,Al^3+ and dissolved H2CO3 as a function of ionic st…
 updated 5 months ago
 25 replies
 1 Medal
Mathematics

roselin:
A rain water analysis gives 3.14mg/L sulfate (SO42) and 1.93mg/L nitrate as (NO3).Assuming that all of the sulfate and nitrate originated …
 updated 6 months ago
 1 reply
 No Medals Yet
Mathematics

roselin:
What does it mean to say X is in the interval [5, 7] ?
…
 updated 6 months ago
 1 reply
 No Medals Yet
Mathematics

roselin:
Suppose that a formal analysis has revealed that the quantity R is certainty less than 7.12, but that a separate analysis based on a differe…
 updated 6 months ago
 9 replies
 No Medals Yet
Mathematics

roselin:
need help with the following reaction
;
 updated 7 months ago
 2 replies
 No Medals Yet
Mathematics

roselin:
write the reaction for the dissolution of oxygen in water
please help
…
 updated 7 months ago
 8 replies
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Mathematics

roselin:
help needed to complete the following reactions
 updated 7 months ago
 1 reply
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Mathematics

roselin:
a solution of Fe(ii) chloride is prepared by dissolving 0.1g og FeCl2(s) in 1kg of water.what are the concentrations in molal of Fe 2+(aq) …
 updated 7 months ago
 3 replies
 1 Medal
Mathematics

roselin:
Complete the following reactions
Aluminum trihydroxide(gibbsite) combines with water
b) Aluminum oxyhydroxide(diaspore) combines with wate…
 updated 7 months ago
 2 replies
 No Medals Yet
Mathematics

roselin:
definite integral from pi/2 to 0 (2+tan1/2)sec^2 t/2 dt
 updated one year ago
 40 replies
 2 Medals
Mathematics

roselin:
need help with :definite integral from 0 to 1 x^3/ Square root of x^4+9
 updated one year ago
 24 replies
 1 Medal
Mathematics

roselin:
elavualte indefinite integrals
1/x^(1/2) cos.( t^1/2 +3) dx
 updated one year ago
 62 replies
 1 Medal
Mathematics

roselin:
evaluate indefinite integrals
integral squareroot x^4/ x^31 dx
 updated one year ago
 44 replies
 2 Medals
Mathematics

roselin:
evaluate indefinite integrals
intergral tan^2x Sec^2x dx
 updated one year ago
 73 replies
 3 Medals
Mathematics

roselin:
evaluate indefinite integrals
intergral tan^2x Sec^2x dx
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

roselin:
verify that the given point is on the curve nd find the lines that are a) tangent and normal to the curve at the given point.
x^2cos^2y …
 updated one year ago
 2 replies
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Mathematics

roselin:
find dy/dt
using the chain rule.
…
 updated one year ago
 9 replies
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Mathematics

pinkblossom:
add and simplify 7/9 + 1/6
 updated one year ago
 6 replies
 1 Medal
Mathematics

pinkblossom:
Subtract and simplify 14/15  22/25
 updated one year ago
 10 replies
 1 Medal
Mathematics

roselin:
Find the derivative of the functionusing the chain rule. k(x)= x^2 sec(1/x)
 updated one year ago
 16 replies
 No Medals Yet
Mathematics

roselin:
write the function in the form y=f(u) and u=g(x). then find the dy/dx as a function of x.
y= 5cos^4 x
 updated one year ago
 9 replies
 1 Medal
Mathematics

roselin:
find the slope of the function's graph at the given point, then find and equation for the line tangent to the graph
f(x)=x2x^2 , (1,1)
 updated one year ago
 26 replies
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Mathematics

Sephichief:
Solve the following equation, answer as a reduced, mixed number.
6(x  1) = 4(x  2)
 updated one year ago
 5 replies
 1 Medal
Mathematics

roselin:
find the derivative of u=5x+1/2 sqrt of x
 updated one year ago
 16 replies
 1 Medal
Mathematics

roselin:
find the derivative of u=5x+1/2 sqrt of x
 updated one year ago
 38 replies
 No Medals Yet
Mathematics

roselin:
explain why the equation cox=x has at least one solution.
 updated one year ago
 19 replies
 3 Medals
Mathematics

roselin:
f(x) x^38/x^24 , x not equal to 2, X not equal to 2
3, x=2
4, x= 2
…
 updated one year ago
 11 replies
 1 Medal
Mathematics

roselin:
f(x)
 updated one year ago
 1 reply
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Mathematics

roselin:
Lim SQRT OF 2X (X1)/ ABSOLUTE VALUE OF X1
x goes to 1+
 updated one year ago
 5 replies
 1 Medal
Mathematics

roselin:
Letg(x) = sqrt of x sin(1/x)
…
 updated one year ago
 12 replies
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Mathematics
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