Wednesday
July 23, 2014

Posts by KEVIN


Total # Posts: 933

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

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

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

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: ...

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 ...

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

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?

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!!!

analogies
man its hard

CHEMISTRY URGENT PLZ HELP
thanks damon

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

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...

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??

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??

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

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?

college algebra
That's very cool! Thank you for your time!

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

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

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

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.

s.s
Why did Congress add the Bill of rights?

s.s
What was the main argument of the Antifederalists against the Constitution?

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

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...

CHEM
NH3 is a base because it accepts a proton from H2O.

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

Biology
What portion of the brain is responsible for voso motor control?

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?

Social Studies
Why did the British army march on Lexington and Concord

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 t...

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

science
Describe the biological interrelationships among the life forms in inda

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.

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 bo...

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.

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 ra...

social studies
unscramble idmieeflt to make two words

social studies
unscramble arfzunrdon two words

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)...

chem
I tried C and it marked it wrong

Economics
What is the connection between profit maximization and "fair" prices Are all profit maximization prices fair

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

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

social studies
unscramble the following to make two words arfzurdon

social studies
unscramble the following to make two words rveessevssur

social studies
what Canadian capital did U.S troops burn down in 1813

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

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?

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 finalist...

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

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 block...

u.s.history
What is the significance of 13 days

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

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

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

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 ...

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

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,

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,

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,

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

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

math
write the numbers of 4s in each number how many 4s in 40

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 ...

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!!!!!!

fornt class
what are the steps of the registration process form the viewpoint of front desk agent?

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?

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

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 ...

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 surve...

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 ...

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?

math in general
what is the point of proofs?

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 supplement...

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.

History
Where the dutch the first to establish a colony in Maryland?

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?

math
what are the properties

Math
i need help

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

medecine
la langue modèle-t-elle l'étage antérieur ou postérieur du palais

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.

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?

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.

Geometry - Angle of rotation
I hate keystone 2

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...

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.

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 cat...

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 dec...

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 mol...

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 ...

math
the answer is LIVING IN X AISLE

math
the answer is LIVING IN X AISLE

math
the answer is LIVING IN X AISLE

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?

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 dougl...

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.

economics
(Insurance) Let X = R+. Consider a house owner whose house has a risk of burning down with probability 0.001. If the house burns down it is worth $0 otherwise it is worth $1 million. The owner of the house is an expected utility maximizer with a vNM utility function u(x) = x^(...

Chemistry
Im fed up with this assignment please help The oxide formed when selenium burns in air dissolves in water to give a solution of selenious acid, H2SeO3. The solution conducts electricity, and turns blue litmus paper red. State the evidence that supports classifying H2SeO3 as an...

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