Questions Asked on
July 1, 2011

integral calculus
Evaluate the following intergal: integral of [Mvdv] with upper limit 'v' and lower limit 'u'
asked by ......................................... 
physics..
A physical quantity 'x'is calculated from the relation x=a^3b^2/root of cd. Calculate percentage error in x, if a, b, c and d are measured respectively with an error of 1%,3%,4% and 2%
asked by ......................................... 
physics
The velocity of a toy car of mass 2kg increased from 5m/s to 10m/s in 2 seconds.what force was exerted on the car?
asked by Anonymous 
trig
N 5 22x2 1 76x 1 430 Use the equation to find N for each year in the table. (b) Discuss how well this equation approximates the data. (c) Rewrite the equation with the right side completely factored. (d) Use your equation from part (c) to find N for each
asked by mmmm 
physics
five factors that affect the rate of diffusion in GASES
asked by fefe 
Chem Help
If the hydronium ion concentration of a aqueous solution at 25 degrees celcius is 5*10^6 M, what is the hydroxide ion concentration
asked by Danielle 
Chemistry
I posted this question earlier, but I believe it was a bit confusing in the way I typed it. Given the following two step reaction: 4 P + 5 O2 > P4O10 P4O10 + 6 H2O > 4H3PO4 If you have 8.28 g of P, 15.65 g of O2, and 19.95 g of H2O, how many grams of
asked by Bradley 
english
help i need to know if this sentence is parallel Neither the searing pain in my toe nor the blinding rain in my face will keep me from finishing the race.
asked by rosie 
MATHS
USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
asked by GURVINDER 
business
1. What kind of risk analysis would you use when purchasing a house or a personal vehicle? Describe this analysis. How does this process assist you in making your decision? Do you believe the process is efficient and achieves the results you desire? How
asked by barry 
Accounting
Identify at least three external users of accounting information and indicate two questions they might seek to answer through their use of accounting information I just need help on indicate 2 questions they might seek to answer through their use of
asked by Mary 
business
2. Think of a risk response plan that you have in your personal life, such as automobile, homeowner’s, or renter’s insurance. What were some of the decision criteria that influenced your decision about how much coverage to purchase? How does your
asked by barry 
English
I forgot to include these other statements. ThANK YOU. 1)Where did the Aesthetic movement originate and what was it characterized by? 2) What affects the development of the human psyche according to Freud? What did Freud mean by superego? 3) The only
asked by Henry2 
Algebra II
Given the folllowing revenue and cost functions, find the maximum profit. R(x)=72x2x²; C(x)=24x+93.
asked by HELP 
Chemistry
If 18.80 grams of hydrochloric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP? (Hint: start by writing a balanced equation for the reaction.) 3HCl + Al > 3H + AlCl3 18.80g moles= grams/mw
asked by Bradley 
MATHS
USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
asked by GURVINDER 
chemistry
How would I calculate the molarity of the resulting solution if 25.0mL of 1.50 M HCL solution is diluted to 500 mL. I know you have to change the milliliters to liters by dividing by 1000 and I know that M= Moles of Solute/Liters of Solute but after that
asked by Daniel 
chem
Two metals of equal mass, A and B, both at a temperature of 25 degrees celsius, are placed in separate but identical beakers of cold water. Metal A has a larger specific heat than metal B. Metal A is in Beaker 1, and metal B is in Beaker 2. Which beaker
asked by lynn 
grammar
1.Christina and Christopher worked together and completed a project about astronomy. simple subject and compound predicate? 2.Jennifer and her brother were not allowed to go to Great Adventure with the Jones family. Compound subject and compound predicate
asked by lizzie 
Algebra
Use polynomial long division to divide 12x3 – 9x2 + 13x + 4 by 3x2 – 3x + 4
asked by toni 
math
Express the volume of a rectangular solid (box) whose height, width and length are x,2x and 3x, respectively, as a function of its width.
asked by J 
precalculus
Give the coordinates of the vertex and graph the equation in a window that includes the vertex. y=(x+8)²9. I know how to graph just not how to do the problem. HELP!
asked by Reanna Baker 
chemistry
When making pepsin in acetic acid, can I apply heat to the solution? What is the appearance of the pepsin solution should be? I'm not sure if it has to be really transparent, I know that it looks kinda yellow.
asked by blast 
math
what is the gcf of 24,36,72?
asked by Mecca 
arithmetic
find the seventh term of an arithmetic progression 5,7,11,15
asked by Anonymous 
Algebra II
The height of a right triangle is 7 inches greater than the length of its base. If the area of the triangle is 15 square inches, find the base.
asked by Nicole 
Algebra II
Simplify (2x^2y^2/3xz^2) times (4xzy^3/9xyz)^1
asked by Lee 
Algebra II
Solve 1. 3x^29x=0 2. 12x^2+30x=12 3. 9a(a+1)=4 4. 16x^2=25
asked by Amber 
College chemistry
is dispersion force the strongest IM for Cl2
asked by martha 
grammar
Elizabethan dramaShould drama be capitalized Martin Luther King DayShouldn't Day be capitalized because it is a holiday
asked by thomas 
Algebra
Factor the following expression completely: 36^316x
asked by Tammy 
Differential equation
dy/dx=(8xy^2+4x)(4x+1)y(8x^3+4x^21)
asked by Maria 
Chemistry
What mass of NaNo3 would be required to prepare 10% solution of the salt in 100cm square of distilled water
asked by Osegbe 
Mgn
My teacher gave me a project on classification of fibres please help me
asked by A 
Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this: 4x + 4y = 36, 4x + 4y = 12
asked by Tammy 
Algebra
Express in terms of i:2√36
asked by Tammy 
Programming Problems
Include names of students from the user, terminated by ZZZ, and create a data file GRADES with records of the form: student (string), test1 (integer), test2 (integer), test3 (integer) In this file, all test scores should be set equal to 0.
asked by JoJo03 
Science
Classification of fibres
asked by A 
algebra
Solve for x. (3/x)+(2/a)=(1/b)
asked by dakota 
Algebra II
Find the exact solutions to the quadratic equation in the complex numbers. (x13)²=36 HELP ME PLEASE!
asked by hot 
calculus
find the most general antiderivative of the function f(t)=8t3sec^2t
asked by stephen 
HistoryCivil War
What was the biggest challenge faced by the federal government at the end of the war in reintergrating the South into the United States of America ?
asked by Joanne 
Grammar
1. The rain poured into the river and flooded the nearby community. simple sentence 2. Some indefinite pronouns are always plural and require plural verbs. select these pronouns. A. both, many, several B. everyone, everybody, any, several C. somebody,
asked by lizzie 
Statistics(Urgent!Please help)
I have a chart that has 4 columns across the top and 33 going down. The colunms on the top read: predicted number, selected number, (col 1  col2)^2, and the mean of x. Their are 32 predicted numbers and 33 selected numbers. I need to fill in the column
asked by Hannah 
chemistry
When making pepsin in acetic acid, can I apply heat to the solution? What is the appearance of the pepsin solution should be? I'm not sure if it has to be really transparent, I know that it looks kinda yellow.
asked by blast 
chemistry
I also have a question on making oxalic acid solution. What is the appearance of the solution should be? including transparency?
asked by blast 
GENERAL CHEMISTRY CALCULATION
preparing working solution of the disinfectant Osyl from the stock solution requires diluting the stock one part Osyl to five parts water .this is V/V solution .in this situation you have 250ml of water so the question is:HOW MUCH OSYL IS NEEDED?
asked by see eel 
Algebra
If a stone is tossed from the top of a 290 meter building, the height of the stone as a function of time is given by h(t) = 9.8t2 – 10t + 290, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to
asked by Tammy 
Math
Somebody repeatedly roll a fair die. If it comes up 6 he instantly wins(and stop playing); if it comes up k, for any k between 1 and 5, he he waits k minutes and then roll again. what is the expected elapsed time from when he starts rolling until he wins?
asked by Alex 
Science
Classification of fibres
asked by A 
chemistry
I also have a question on making oxalic acid solution. What is the appearance of the solution should be? including transparency?
asked by blast 
Chemistry
1. Consider the conductance meter and the titration method of determining the salt content of a brine sample. Discuss at least two advantages and two disadvantages of each method. 2. A corrosion technologist pipetted a 50.00 mL sample of an unknown brine
asked by Shannon 
calculus
Let f(x)=(x1)/(x^2+2) a. Is this point (1,2/3) on the graph of f? b. State the domain of f and then solve f(x) 1/2?
asked by Staffon 
statistics
A school psychologist is trying to determine the lower boundary of a confidence interval for a IQ measure that has a mean of 100 and a standard deviation of 30 and a sample size of 100. What is the lower boundary if she was to create a 95% confidence
asked by Haywood 
trignometry
y = sin 8x + 3 period ?
asked by Anonymous 
algebra
Factor 6a^3+27b^3
asked by Nicole 
Algebra II
Simplify (n^2+3)(n^25n+6)
asked by Gerald 
Algebra II
Simplify x^6/2xy^5
asked by Sara 
grammar
Which one is the complete subject: 'The showy gilrs' 'The showy girls in the red sports car' Our vacation to Niagara Falls was awesome. declarative
asked by lizzie 
grammar
1.When are you having Jamie's surprise party? I am not sure if 'you' is the complete subject or if it is 'Jamie's surprise party'. 2.John and Nicole washes the dishes. A Sentence is correct B. 'Washes' should be changed to'wash in order to make the subject
asked by lizzie 
Algebra
Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero. (3y(2/3))^3
asked by toni 
grammar
ParPrefix? I believe the meaning is through or thoroughly.
asked by lizzie 
Chemistry
For the reaction HNO3+HCl=NO2Cl+H20 What is the equilibrium constant at 25 C and 75 C
asked by Tom 
social studies
where and when was the first british factory estabilishe?
asked by joy 
English
Women were considered as inferior to men (Why is as not necessary after consider?) Can you give a list of verbs followed by "as"? Thank you.
asked by Henry2 
physics
an object moves along a circle of radius r. its start froam A and reaches B. what is the path length? what is the displacement?
asked by Anonymous 
English
Can you please help me formulate these questions better? Thank you very much. 1)Whose point of view is adopted? Eveline's. What kind of technique is adopted to give voice to Eveline's thoughts? Free indirect thoughts. Where can I find a good definition of
asked by Henry2 
Science
Classification of fibres
asked by A 
math 8
Martin graphed the lines for a system of equations. His graph resulted in 2 lines with different slopes. Which of the following is true about this graph?
asked by rober 
algebra
If the global climate were to warm significantly as a result of the greenhouse effect or other climatic change, the Arctic ice cap would start to melt. This ice cap contains the equivalent of some 680,000 cubic miles of water. More than 200 million people
asked by Anonymous 
Algebra
Given the folllowing revenue and cost functions, find the maximum profit. R(x)=72x2x²; C(x)=24x+93.
asked by Kevin Smith 
literary
What is the term in literature that describes a story that appeals to kids and adults, but for different reasons. E.g. the original batman series.
asked by Joan 
algebra
Find the exact solutions to the quadratic equation in the complex numbers. (x13)²=36
asked by Kevin Smith