Friday
August 29, 2014

Posts by KEVIN


Total # Posts: 935

calculus
integrate log base 10 x / x dx i dont understand this
March 19, 2009

CALCULUS HELP!!!
integrate 1/(x^2sqrt(1+x^2)) i know you have to use trig sub but iono how to cancel out some terms...much help is appreciated
March 19, 2009

3rd grade
kevin has $11.00 he gave terrell ave $3.00 and devin $2.00 about what fraction of his money does he have left about 1/4 about 1/3 about 1/2 about 2/3
March 4, 2009

3rd grade
kevin has $11.00 he gave terrell ave $3.00 and devin $2.00 about what fraction of his money does he have left
March 3, 2009

math
kevin has $11.00 he gave terrell ave $3.00 and devin $2.00 about what fraction of his money does he have left
March 3, 2009

algebra
I am coming up with (-5,-2,4) for my answer and I see you x=5
February 26, 2009

algebra
solve system of equation 5x+2y+z=-25 5x-3y-z=-23 3x+y+2z=-9
February 26, 2009

algebra
Did I do this problem right? (2y+5w+6)(5y+5w-4) 2y(5y)+ 2y(5w) + 2y(-4) + 5w(5y) + 5w(5w)+ 5w(-4) + 6(5y) + 6(5w) + 6(-4) then I multiplied: 10y^2 + 10wy - 8y + 25wy + 25w^2 - 20w + 30y + 30w - 24 then I combined like terms: 10y^2 + 15wy + 25w^2 + 22y + 10w - 24 final answer: ...
February 16, 2009

algebra
ok I finished the problem. Is this right? 2y(5y)+ 2y(5w) + 2y(-4) + 5w(5y) + 5w(5w)+ 5w(-4) + 6(5y) + 6(5w) + 6(-4) then I multiplied: 10y^2 + 10wy - 8y + 25wy + 25w^2 - 20w + 30y + 30w - 24 then I combined like terms: 10y^2 + 15wy + 25w^2 + 22y + 10w - 24 final answer: 10y^2...
February 16, 2009

algebra
I don't even know where to begin with this problem. multiply (2y+5w+6)(5y+5w-4)
February 16, 2009

chemistry
Ca(ClO3)2 + KCl --> CaCl2 + 3O2 + KCl Mass of test tube = 7.918g Mass of KCl/Ca(ClO3)2 mixture + tube = 19.164g Mass of KCl/CaCl2 residue + tube = 18.635g What is the weight % of Ca from the Ca(ClO3)2 impurity in the original mixture?
February 11, 2009

Math
The directions say to use a grapking utility to approximate (to two-decimal-place accuracy) any relative minimum or maximum values of the function: y=x^3 - 6x^2 + 15 Can someone please help me because my graphing calculator is not working!!!
February 8, 2009

analogies
man its hard
February 4, 2009

CHEMISTRY URGENT PLZ HELP
thanks damon
January 18, 2009

CHEMISTRY URGENT PLZ HELP
uh i dont think thats how u do it because i think you need to add and remove electrons from two separate reactions first before multiplying it out...but thank you anyway
January 18, 2009

CHEMISTRY URGENT PLZ HELP
First of all I am not the same person as before...his name was Max, my name is Kevin so i do not know that you answer this question before. Secondly, I do not know what you mean about about loss of 2 electrons, how would i use hydrogen to balance the charges when I have: SO3(2...
January 18, 2009

CHEMISTRY URGENT PLZ HELP
Write a balanced equation for the following reduction-oxidation reaction. SO3(2-) + MnO4(-) --- SO4(2–) + Mn(2+) can someone help me step by step??
January 18, 2009

CHEMISTRY
Write a balanced equation for the following reduction-oxidation reaction. SO3(2-) + MnO4(-) --- SO4(2–) + Mn(2+) can someone help me step by step??
January 18, 2009

English lit.>Grendel
Having trouble understanding the book Grendel...is there a site you know of that may help? Thank you, Kevin
January 15, 2009

physics
An object starts from rest and accelerates uniformly down an incline. If the object reaches a speed of 40 m/s in 5 seconds, what is its average speed?
January 2, 2009

college algebra
That's very cool! Thank you for your time!
December 9, 2008

college algebra
Find the sum of the first 500 positive integers. thanks for any help!
December 9, 2008

college algebra
find the general term of the following sequence 1/3, 3/5, 5/7, 7/9, ... thanks for any help!
December 9, 2008

math
find the general term of the following sequence 1/3, 3/5, 5/7, 7/9, ... thanks for any help!
December 9, 2008

s.s
i think that several states ratified the Constitution only after they were promised that a bill will protecting individual rights would be added to it. Many Antifederalists did not think that the Constitution would protect personal freedoms.
December 3, 2008

s.s
Why did Congress add the Bill of rights?
December 3, 2008

s.s
What was the main argument of the Antifederalists against the Constitution?
December 3, 2008

Thermochemistry
So q=mc(Tf-Ti) could be written as Delta H=mc(Tf-Ti) assuming the pressure is constant?
December 2, 2008

Thermochemistry
I'm confused about the difference between the q in q=mc(Tf-Ti) and (Delta)H, or enthalpy. What exactly does enthalpy mean and how is that different than q? (I'm also confused about what Gibbs Free Energy actually means; I know that if it's negative, the reaction is...
December 2, 2008

CHEM
NH3 is a base because it accepts a proton from H2O.
November 20, 2008

S.S
What impact did the Virginia Statute for religious freedom have on the U.S government?
November 9, 2008

Biology
What portion of the brain is responsible for voso motor control?
October 28, 2008

Science
A little aluminum boat (mass of 14.50g) has a volume of 450.00cm3. The boat is placed in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50g, how many pennies can be added to the boat before it sinks?
October 16, 2008

Social Studies
Why did the British army march on Lexington and Concord
October 13, 2008

Physics
A bird watcher meanders through the woods, walking 0.35 km due east, 0.65 km due south, and 2.05 km in a direction 31.0° north of west. The time required for this trip is 3.50 h. Determine the magnitude and direction (relative to due west) of the bird watcher's. Find ...
October 11, 2008

4th grade science
it does boil at 100c I have tred it with a science project in fourt grade
September 30, 2008

science
Describe the biological interrelationships among the life forms in inda
September 23, 2008

Mathematics
3x-3y=12 3x+2y=-3 2x+y=4 Solve each by reduced row echelon form and if no solution, say it is inconsistent.
September 23, 2008

Mathematics
Carletta has $10,000 to invest. As her financial consultant you recommend that she invest in Treasury Bills that yield 6%, Treasury Bonds that yield 7%, and coroporate bonds that yield 8%. Carletta wants to have an annual income of $680, and the amount invested in corporate ...
September 23, 2008

math
The first thing that you to is distribute the -5 to both the terms in parenthesese. So you get -10W-5=25. than you add five to both sides and get -10w=30. The last thing you do is divide both sides by -10. w=-3.
September 23, 2008

Mathematics
At Harlan County Damn in Nebraska, the U.S. Bureau reports that the storage content of the reservoir decreased from 117,811 acre-feet (38.4 billon gallons of water) on Septmber 6, 2006 to 115,579 acre-feet (37.7 billion gallons of water) on October 6, 2006. Suppose that the ...
September 8, 2008

social studies
unscramble idmieeflt to make two words
September 5, 2008

social studies
unscramble arfzunrdon two words
August 30, 2008

Calc
This is a piecewise function on one graph: f(x)= 3, -4 <or= x <or= 1 -x+2, 1 < x < 3 x-5, 3 <or= x <or= 7 The coordinates are (-4,3) (-1,3) (3,-1) (3,-2) (7,2) So what would the graph look like if it is:y= abs(f(x)), y=2f(abs(x)), y=f(-x), y=-f(x)-3, y=f(x+3...
August 18, 2008

chem
I tried C and it marked it wrong
August 8, 2008

Economics
What is the connection between profit maximization and "fair" prices Are all profit maximization prices fair
July 23, 2008

Economics
What happens to the marginal utility per dollar of shoes if the priece of shoes goes up, and how should consumers respond to this to maximize utility
July 23, 2008

Economics
What is more important to the consumer: Marginal utility or marginal utility per dollar and why
July 23, 2008

social studies
unscramble the following to make two words arfzurdon
June 21, 2008

social studies
unscramble the following to make two words rveessevssur
June 21, 2008

social studies
what Canadian capital did U.S troops burn down in 1813
June 17, 2008

math
1/5 is 40 pages so 40x5=240 so there are 240 pages in the book
May 24, 2008

math
Hannah had dinner at her favorite restaurant. If the sales rate is 4% and the sales tax on the meal came to $1.25, what was the total cost of the meal, including sales tax and a 20% tip?
April 26, 2008

math
A school has 6th, 7th and 8th period Social Studies classes. One student from each class will be chosen to represent the school in an essay contest. The 6th period finalists are Mike, Sara, Luis and Ed. The 7th period finalists are Ben, Eric, and Sandy. The 8th period ...
April 26, 2008

math
There are 8 singers competing at a talent show. In how many different orders can the singer appear?
April 26, 2008

u.s.history
Why did the soviet union feel that it was necessary to place nuclear missile in cuba? In what Asian country did the u.s. place nuclear weapons that could fire on western Russia? What waas the significance of the u-2 flight? Why did Kennedy issue a quarantine instead of a ...
April 8, 2008

u.s.history
What is the significance of 13 days
April 8, 2008

math riddle ALGEBRA WITH PIZZAZZ
How does a tree feel after a hard day at work?
April 6, 2008

math riddle ALGEBRA WITH PIZZAZZ
Why does Beethoven now spend all his time erasing music?
April 6, 2008

math riddle ALGEBRA WITH PIZZAZZ
What is it called when a sea bird lands on a channel marker?
April 6, 2008

English-Ms Sue Please help
1. Identify and name fallancy below and explain. This measure is of sufficient importance that our representatives should have the integrity to bring it to a vote. My answer: I believed, the fallancy was a scapegoating because the author was blaming the representatives should ...
April 6, 2008

Critical Thinking
Writeacher, I believed, the fallancy was a scapegoating because the author was blaming the representatives should have the integrity. Please advices,
April 5, 2008

Critical Thinking
Identify and name fallancy below and explain. This measure is of sufficient importance that our representatives should have the integrity to bring it to a vote. Please help, thank you,
April 5, 2008

Critical Thinking
Ms. Sue, I belived, the rhetoricla device was euphemism because the late-term procedure was adopt. On the other way, the opposition refer to the different bill name. Kevin,
April 5, 2008

Critical Thinking
Please help and Identify the rhetorical devices used by the sentence below and explain. The bill would also adopt a federal ban on late-term procedures that opponents refer to as partial-birth abortions. Thank you,
April 5, 2008

Critical Thinking
why and how could you apply critical thinking when evaluating articles, media, advertising, and conversations?
March 31, 2008

chem/stoichiometry
What volume of oxygen gas is produced when 17.5 grams of KBrO3 decomposes? and the equation is KBrO3==>KBr+30 HELP ME PLZ
March 16, 2008

math
write the numbers of 4s in each number how many 4s in 40
March 12, 2008

Chemistry
could you please check my work? thanks. For the reaction between reactants A and B below, if 4.925 moles of A is placed into a flask with excess B it is found that the amount of A remaining after 6.85 seconds is 2.737 moles. 2A (g) + B (g)-----> 3 C (g) a. find the rate of ...
February 25, 2008

math-Algebra
i dont get this 8-9*.83333333333 does not equal 21*.83333333333-17 WHen you substitute in 5/6 it doesn't equal PLEASE HELP TNX!!!!!!
February 13, 2008

fornt class
what are the steps of the registration process form the viewpoint of front desk agent?
January 31, 2008

Chemistry
This is the equation ln(P2/P1) = -DHvap/R * (1/T2- 1/T1) but how do i get the pressure values and tempature values?
January 31, 2008

Chemistry
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -8.000 x 10^3 K. According to the Clausius Clapeyron equation, Hvap is ? KJ/mol
January 31, 2008

chemistry
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 400C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at the new temperature is ...
January 31, 2008

Statistics
This is a goodness-of-fit question that I've been trying to wrap my head around for sometime, but I don't understand it since there are two values instead of one. So far, the teacher has only taught us how to deal with one set of observed values. UCLA conducted a ...
December 9, 2007

science
what are the chemical reactions involved in Glycolysis? What are the chemical reactions involved in Photosynthesis? What is the binomial name for MRSA? Is it a virus or a bacteriuM? If it is a virus what group does it belong to? If it is a bacterium what shape is it? Who came ...
December 6, 2007

math
Every hockey card has front side and a back side. How many possible outcomes are there if you flip a hockey card on a desk?
November 25, 2007

math in general
what is the point of proofs?
November 21, 2007

geometry
Give the reason for the step taken from a proof. <1 is the supplement of <2---->Given <3 is the supplement of <4---->Given <2 = <4----------------------->Given <1 = <3----------------------->? a. linear pair postulate b. congruent ...
October 3, 2007

geometry
Identify the property of congruence. If <P = <Q, then <Q = <P. when i use the = sign just replace it with the "is congruent to" sign. The one with the little wiggly line above the equal sign.
October 3, 2007

History
Where the dutch the first to establish a colony in Maryland?
September 28, 2007

History
Why did England colonize the New World later than the rest of Europe? What political and religious conditions had created a century of conflict in England? What factors finally pushed the English west, across the ocean?
September 28, 2007

math
what are the properties
September 19, 2007

Math
i need help
September 6, 2007

medecine
les gènes les plus en aval specifient l'dentité des segments les plus antérieurs ou medians de l'embryon?
August 29, 2007

medecine
la langue modèle-t-elle l'étage antérieur ou postérieur du palais
August 29, 2007

statistics
Provide an appropriate response. On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct.
August 29, 2007

statistics
Suppose you buy 1 ticket for $1 out of a lottery of 1,000 tickets where the price for the one winning ticket is to be $500. What is your expected value?
August 28, 2007

math
Provide an appropriate response. On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct.
August 28, 2007

Geometry - Angle of rotation
I hate keystone 2
August 2, 2007

math
can anyone please help me with this problem. thanks Each week, Florida Citrus, Inc., uses a single machine for 150 hours to distill orange and grapefruit juice into concentrates that are then stored in two seperate 1000-gallon tanks before being frozen. (One tank is for orange...
July 5, 2007

Math
Is there any way that you can find the area of a circle without using pi? Well, since you can also use the formula pi r^2, any such method would be equivalent to calculating pi in some way.
June 13, 2007

Spanish - Please Help!
Can you please help me with the grammar, spelling, and sentence structure of the following Spanish sentences? I need to know if I wrote them correctly. Thanks. 1) El embajador soviético está dando vuelta al azul. 2) Mire, yo están bailando encima de la ...
June 4, 2007

Math
It's been a long time!!!! but I need to express a ratio of 5416 to 9934 in the form of 1 : x give answer to 1 dec point. All I could get was 2708 : 4967 but it doesn't appear right. 5416/9934 = 0.5452, or 1/1.83419 in 1/x format If you want the answer to within one ...
May 8, 2007

Chem 12
Okay, this is a two-part question and the unit is acids and bases. Ka for NH4 is 5.6 x 10^ -10 Kb for NH3 is 1.8 x 10^ -5 1. Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100mL of a 0.150 molar solution of ammonia. 2. If 0.0800 ...
March 27, 2007

algebra1
How do I solve this x/3=-4? multiply both sides by 3 Please stop posting under sundry names. You are doing yourself no good. What do you mean by sundry names? What's up with you telling me this because I don't know what you mean? My name is Kevin Shaw! This is my best ...
March 23, 2007

math
the answer is LIVING IN X AISLE
March 23, 2007

science and medicine
I have no clue of how to solve this. Help!! Mesha leaves home at 9 am., bicycling ata rate of 24 mi/h. Two hours later, Jeffery leaves, driving at a rate of 48 mi/h.What time will Jeffery catch up with Mesha?
March 21, 2007

business and finance
I need help in working this word problem out. I need help coming up with the answer because I have no idea what so ever of how to solve this. 850 douglas fir and ponderosa pines in a section of a forest brought by Watts Tree Company. Watts Trre Company paid $300 for each ...
March 21, 2007

human biology
Na+/K= pump, due to it being a active transport. Active transport requires ENERGY (ATP). The rest of the choices are all passive transport, which do not require ENERGY.
March 18, 2007

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