ethayer
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 Evan Thayer
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 Questions Asked
 6
 Questions Answered
 16
 Medals Received
 7

 Questions Asked
 17
 Questions Answered
 13
 Medals Received
 5

 Questions Asked
 6
 Questions Answered
 16
 Medals Received
 7

 Questions Asked
 17
 Questions Answered
 13
 Medals Received
 5
Questions Answered

ethayer:
After the appropriate substitution, the integral of 1/(x sqrt(x^2+1)) dx becomes _____?
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

ethayer:
I can't seem to get a value for the area between these two polar curves: 2+sin(theta) and 3sin(theta)
Area = .5 * Integral of (r^2 * dthe…
 updated one year ago
 16 replies
 No Medals Yet
Mathematics

ethayer:
I can't seem to get a value for the area between these two polar curves: 2+sin(theta) and 3sin(theta)
Area = .5 * Integral of (r^2 * dthe…
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

Bweezy5:
which values are solutions to the inequality of X^2 > 25
 updated one year ago
 2 replies
 1 Medal
Mathematics

jennyjewell25:
Find a quadratic model for the set of values.
(–2, –20), (0, –4), (4, –20)
…
 updated one year ago
 5 replies
 2 Medals
Mathematics

darkmare:
use the graph below to answer the following questions
http://img.photobucket.com/albums/v329/darkmare/6BXOEFIYK1041695setAssignment8prob2…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

musiclover777:
The successive ionization energies for an unknown element are listed below. To which family in the periodic table does the unknown element l…
 updated one year ago
 6 replies
 3 Medals
Mathematics

ethayer:
Balanced equation for the following reactions:
1) Ca5(PO4)3OH (s) + CH3COOH (aq) >
2) Pd (s) + HBr (aq) >
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Amelia.Watts3412:
Match the following with the correct description.
A. Items follow an order in storing and retrieving values in the collection.
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

mustanggrandmomma:
Solve this equation: x+2+9 is less than or equal to 16
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

erniellyd28:
9/14  1/7

9/14 + 1/7
 updated one year ago
 78 replies
 No Medals Yet
Mathematics

dddan:
please help!;
Assuming additivity of volumes, what is the concentration of KBr(in moles/L) in a solution prepared by mixing 2.50x10^2 of 0.…
 updated one year ago
 20 replies
 1 Medal
Mathematics

Mvdcookie:
The penny weighs 2.5grams, the nickel weighs 5 grams and the dime weighs 2.268 grams. If you have eight pennies, four nickels and six dimes …
 updated one year ago
 1 reply
 1 Medal
Mathematics

Kebelyn:
Which element has the most similar chemical properties to arsenic?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

AshleyW:
Waste water from certain industrial chemical processes contains aqueous ions. Since the mercury ion is toxic, it is removed from the waste w…
 updated one year ago
 2 replies
 1 Medal
Mathematics

ethayer:
determine if this is convergent or divergent? If convergent, find the value.
integral (from 0 to infinity) of e^x / (e^2x + 3)
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

santaowl:
How is this equation balanced?
HClO + Mg(OH)2 = Mg(ClO4)2 + H2O
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Summer_Joy9403:
write balanced ionic equations for the following reactions aqueous hydrochloric acid is neutralized by aqueous magnesium hydroxide
 updated one year ago
 1 reply
 1 Medal
Mathematics

russiandancer16:
Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.
 updated one year ago
 2 replies
 1 Medal
Mathematics

ethayer:
derivative of x^sqrtx?
 updated one year ago
 19 replies
 3 Medals
Mathematics

ethayer:
integral of x/(x^4 + 25)
 updated one year ago
 19 replies
 3 Medals
Mathematics

ethayer:
how do I simplify sqrt(1cos^2(2x))? I think I should get sin(2x)
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

ethayer:
derivative of arcsin(cos(2x))
is this chain rule?
 updated one year ago
 7 replies
 1 Medal
Mathematics

saracanada:
Add.
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

ebydaqueen17:
a nutritionist finds that a large order of mc donalds fries has more fat than a quarter pounder. the fries have 4 more grams than 3 times th…
 updated one year ago
 6 replies
 1 Medal
Mathematics

chelseeirene:
how many grams of a 32% potassium sulfate solution would contain 292.2 g potassium sulfate? I need help with this and the answer has to be i…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

tanner123456789:
28.50 g sample of a compound of carbon, sulfur, hydrogen, and oxygen is burned. 35.25 g CO2 and 14.65 g SO2 are produced. Analysis for hydro…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

enya.gold:
What happens to the temperature during the time when ice is still present in the water? What happens to the temperature after all of the ice…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Ashley1593:
An organic compound containing only C, H, and possibly O was subjected to combustion analysis. A
sample weighing 0.4119 g yielded 0.666 g …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

bmelyk:
Redox Reactions: Express answer as a chemical equation, identify all the phases in answer.
 updated one year ago
 6 replies
 No Medals Yet
Mathematics
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