Questions Asked on
February 20, 2010

cpcc
Two people are pulling a boat through the water as in Figure P4.20. Each exerts a force of 600 N directed at a θ = 45.0° angle relative to the forward motion of the boat. If the boat moves with constant velocity, find the resistive force vector F exerted
asked by nat 
physics
Two point charges are placed along a horizontal axis with the following values and positions: +6.0 µC at x = 0 cm and 24.0 µC at x = 60 cm. At what point along the x axis is the electric field zero?
asked by Jithin 
chemistry
An ideal liquid solution has two volatile components. In the vapor in equilibrium with the solution, the mole fractions of the components are (a) both 0.50; (b) equal, but not necessarily 0.50; (c) not very likely to be equal; (d) 1.00 for the solvent and
asked by david 
maths
Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with
asked by thommini 
Microecon
The following diagram shows the cost structure of a monopoly firm as well as market demand. Identify on the graph and calculate the following: a. Profitmaximizing output level b. Profitmaximizing price c. Total revenue d. Total cost e. Total profit or
asked by MICHELLE 
Microecon
Which of the following industries would you classify as an oligopoly? Which would you classify as monopolistically competitive? Explain your answer. If you are not sure, what information do you need to know to decide? a. Athletic shoes b. Restaurants c.
asked by MICHELLE 
Biology
41. A group calling itself "Virus Alive!" believes that viruses are living organisms. They have petitioned the scientific community to include viruses in the biological classification system. You are a scientist assigned to explain to this group that,
asked by mysterychicken 
Math
A farmer has 230 ft of fence to enclose a rectangular garden. What is the largest garden area that can be enclosed with the 230 ft of fence? Explain your work.
asked by Crystal 
maths
what is 907.457 rounded to the nearest tens place? How to get the answer.
asked by jim 
chemistry
How many milliliters of glycerol, d=1.26 g/ml, must be added per kilogram of water to produce a solution with 4.55 mol% C3H8O3 ?
asked by sab 
organic chemistry
is an α,βUnsaturated ester CH2=CHCO2Et more or less reactive than an CH2=CHOEt in electrophilic addition and where do the two slot into the reactivity order of CH2=CH2 < CH2=CHMe < CH2=CHBr i think CH2=CHOEt is more reactive than the Br equivalent but
asked by libby 
Biology
Need help with these 25. Bacteria and eukaryotes share the characteristic of a. multicellularity b. a cell nucleus c. a cell membrane d. all of the above 26. Two ways that bacteria causes disease are a. toxins are released that break down and absorb host
asked by mysterychicken 
chemistry
How many grams of water would you add to 1.00 kg of 1.48 m CH3OH(aq) to reduce the molality to 1.00 m CH3OH? Ok...I got 480, and the systems says there's a rounding error. I did it again and I got 480. Someone help me?
asked by david 
Biology
Need help with these 25. Bacteria and eukaryotes share the characteristic of a. multicellularity b. a cell nucleus c. a cell membrane d. all of the above 26. Two ways that bacteria causes disease are a. toxins are released that break down and absorb host
asked by mysterychicken 
English
What language was Metamorphoses by Ovid written in?
asked by Molly 
Statistic
18. Twenty students randomly assigned to an experimental group receive an instructional program; 30 in a control group do not. After 6 months, both groups are tested on their knowledge. The experimental group has a mean of 38 on the test (with an estimated
asked by Doris I 
Rate Laws
If the initial concentration of AB is 0.210 M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 75 s? The reaction is in the second order: rate=k[AB]^2 The rate constant is k=5.4*10^2 M*s I don't
asked by Kyle 
Mega Stat
How do you know the pvalue on megastat. On minitab It looks like it gets a different pvalue than megastat. I got a number from megastat of 2.35E10 and on minitab it was 0.000.
asked by mark 
Conflict Management Communications
Provide 2 examples of passive aggressive societal groups and behaviors. I thought the KKK would be one good example, any other thoughts would be most appreciated! Thank yoU! :)
asked by Pamela 
Biology
Need help with these 25. Bacteria and eukaryotes share the characteristic of a. multicellularity b. a cell nucleus c. a cell membrane d. all of the above 26. Two ways that bacteria causes disease are a. toxins are released that break down and absorb host
asked by mysterychicken 
mathplease help!
The coordinates of P are (2,5) and the coordinates of Q are (6,1) (C) What is the equation of the perpendicular bisector of PQ?
asked by Chelsea 
Math
Point M is the midpoint of line ABMC. Which of the following statements is NOT true? Why? (1)AM=MC (2)AB BC (4)BM
asked by Billy 
Planet Juniper
It takes Juniper _____ to make one rotation. This means that one day on Juniper is actually ____ long. That is as many as _____ Earth days!..answer this questions...thanks
asked by Anonymous 
Planet Juniper
What does Juniper look like: answer this questions
asked by Anonymous 
Chemistry
I keep reading that lead is a poor electrical conductor, but I would like to know the chemistry of why exactly it is a poor conductor.
asked by Sara 
math
is (5,3) a solution for 8x+3y=1 I say yes my husband says no
asked by Renee 
Algebra
what is the solution to 2(5y cubed)squared + (3ycubed)cubed
asked by Kathleen 
math
in 1990 the life expectancy of males in a certain country was 64.7 years. In 1994 it was 67.3 let E represent the life expectancy in year t and let t represent the number of years since 1990. What is the linear function E(t) that fits the data? what would
asked by Renee 
math
use distributave property to help solve the equation. 5(w6)=10 W=?
asked by mizmarie 
math 116
collect like terms 11a+7b5a9b 11a+7b5a9b= 4 Is this correct?
asked by violet 
science
if something big from outerspace hit earth, then where would it have least human impact?
asked by Anonymous 
poetry for english
i need to write three more poems for english about child abuse using onomatopoeia, personification, voice, and alliteration
asked by trennea 
french
Je Suis Allee A Le Centre Commercial
asked by jay 
chemistry
An ideal liquid solution has two volatile components. In the vapor in equilibrium with the solution, the mole fractions of the components are (a) both 0.50; (b) equal, but not necessarily 0.50; (c) not very likely to be equal; (d) 1.00 for the solvent and
asked by anonymous 
chemistry
Why is it that an electrochemical cell(galvanic cell) cannot operate forever?
asked by LALA 
Social Studies
How is your social studies instruction utilizing reading, writing, speaking,listening, and the dramatic arts?How could you improve in these areas
asked by Anonymous 
Health  Independent learning
What are examples of hereditary factors that influence personal health? I need three of them.
asked by AL 87 
5th grade
Carla formed this large cube from eight small cubes. She put the large cube on a worktable and then spray painted all the sides that she should without moving any part of the large cube. If she take the large cube apart, how many of the small cubes will be
asked by Courtney 
chemistry
Under an O2 pressure of 1.00 atm, 28.31 mL of O2 dissolves in 1.00 L H2O at 25 degrees. Determine the molarity of O2 in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of O2 in air is 20.80 \%. (Have no idea
asked by david 
Math
Evaluate and tabulate the values of y for the value(s) given. y = 2x3, for x = 3, 0, 1, 4
asked by Crystal 
Math
State whether the given equation represents a linear, quadratic, or exponential function. Tell how you decided. y = 8x2 + 4
asked by Crystal 
Math
Solve the linear equation using any technique you have learned. Name the technique. Check. 3x + 12 = 7x  28
asked by Crystal 
Math
Solve the quadratic equation using any technique you wish. Name the technique. Check. 12x2 + 10x = 0
asked by Crystal 
Math
Find the equation of a line that passes through the point (1, 2) and has a slope of 1/3. Show how you found the equation.
asked by Crystal 
Math
A store sells a 1liter container of juice for 75¢ and a 2liter container for $1.40. Assume that the cost varies linearly with the number of liters, and find the slope of the line that shows the relationship. How many liters would be in a container that
asked by Crystal 
Math
Find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint (6, 4): midpoint (3, 5).
asked by Crystal 
Math
Give the equation of the line that passes through point (5, 1) and is parallel to the line y = 3x – 1.
asked by Crystal 
Math
Give the equation of a line perpendicular to the line y = 4x having the same yintercept.
asked by Crystal 
Conflict Management
What is the relationship between passiveaggressive behavior and traditional power bases?
asked by Rachale 
Math
What does R(2,2) mean when talking about transformations?
asked by Carla 
adult education
Can you help me with penn foster exam for general math 1?I would like to know if my answers are right
asked by molisa 
chemistry
Under an O2 pressure of 1.00 atm, 28.31 mL of O2 dissolves in 1.00 L H2O at 25 degrees. Determine the molarity of O2 in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of O2 in air is 20.80 \%. (Have no idea
asked by david 
math
how do you find the slope of a line? and is it possible to find it by taking two points on a line?
asked by Anonymous 
physics
What can we conclude from the attractive nature of the force between a positively charged rod and an object? 1. Cannot be determined. 2. The object is an insulator. 3. The object is a conductor.
asked by Anonymous 
physics
What can we conclude from the attractive nature of the force between a positively charged rod and an object? 1. The object has no net charge. 2. Cannot be determined. 3. The object does not have an appreciable negative charge. 4. The object does not have
asked by Anonymous 
business
Why publicly traded companies must report revenue growth? What is the effect of this reporting on business operations?
asked by Xichenio 
physics
What can we conclude from the attractive nature of the force between a positively charged rod and an object? 1. The object has no net charge. 2. Cannot be determined. 3. The object does not have an appreciable negative charge. 4. The object does not have
asked by Anonymous 
accounting
Your team has been assigned the duty to diagram the audit trail for your company. In your diagram, show several transactions and how they would be tracked from the journal entry to the financial statement and back to the journal entry
asked by Nicole 
Physics
A 63kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude
asked by Anonymous 
science
i want to see if thers a web site wer you could see the moons face from february 2010 he info and pic
asked by lis 
physics
for some reason, choice 6 was incorrect when i tried it sorry to keep bothering you about it drwls
asked by from previous question 
Physics
A 63kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude
asked by Anonymous 
help
no I did not know could you please tell me how to do it, and thank you.
asked by neka 
aed 202
Identify the components of language development in terms of Marios progress through school in 200300 words
asked by Denise 
s.s.
in 1910 how many women were working outside their homes?
asked by queeneka 
s.s.
what was the chicago political machine called where bosses gave out legal favors in return for money
asked by queeneka 
Social Studies
The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great Society. Our accomplishments have been many; these tasks remain unfinished: 1) to achieve full employment without inflation; > to
asked by Jessie 
math
line parellel 4x=3y13. got an ans of 13/4 but not sure if it's correct.
asked by Marie 
math
Suppose that P(A)=x.The probability of the complementary event B is 0.7. What is the value of x?
asked by Anonymous 
psychology
discuss how you percieve your interaction in the social world. Examine one of the social worlds in which you interact for example nfamily nlife or nwork.How has this changed or supported your own self efficacy.
asked by sarah 
Miceoecon
Cell phones have become very popular. At the same time, new technology has made them less expensive to produce. Assuming that the technological advance caused cost curves to shift downward at the same time that demand was shifting to the right, draw a
asked by MICHELLE 
algebra
solve for time S=10t^2+6t+50
asked by Chrystel 
Miceoecon
Which of the following are examples of Paretoefficient changes? Explain your answers. a. Cindy trades her laptop computer to Bob for his old car. b. Competition is introduced into the electric industry, and electricity rates drop. A study shows that
asked by MICHELLE 
Miceoecon
Suppose two passengers end up with a reservation for the last seat on a train from San Francisco to Los Angeles. Two alternatives are proposed: a. Toss a coin b. Sell the ticket to the highest bidder Compare the two options from the standpoint of
asked by MICHELLE 
Math
4a^3n^6+a(a^3n)^6+4(an^2)^3 Please help me simplify!!!!!!
asked by Gaby 
Environmental Science
microorganisms can't break down plastics because... I'm stuck between a) plastics are made from oil d) plastics don't occur in nature. Both of them are true, but I'm not sure which is the most true.
asked by Jaz 
Chemistry
If the molecular mass for a chemical is 153.82 g/mol and the enthalpy of formation is 135 kJ/mol, the heat change will be _____ kJ when 10.0 g of this chemical is formed.
asked by Stuck 
Chemistry
N2H4(g) + H2(g) 2 NH3(g) H1 = –1876 kJ 3 H2(g) + N2(g) 2 NH3(g) H2 = –922 kJ The H f for the formation of hydrazine: 2 H2(g) + N2(g) N2H4(g) will be _____ kJ/mol.
asked by Cuukoo 
Earth science project
How do lost pet/pet ads predict earthquakes, procedure to do the project ?
asked by Sabrina 
college math
An individualpurchaseda4year, $10,000 promissorynotewithaninterestrateof8.5%/ year compoundedsemiannually.Howmuchdidthe note cost?
asked by Anonymous 
English
Thank you for your last corrections! Can you help me check these sentences, too? 1) For lunch I went to my parents' house (or is it better: I had lunch at my parents' house?) 2) For the rest of my holiday(S) I did my homework (or I spent the rest of my
asked by Franco 
ecommerce
utilizing the framework of a market opportunity analysis, describe step to ensure success with the extension of the business
asked by mary 
accounting
suppose that you are a manager in a general hospital.list some of the cost information that you might want to know about and have reported to you.plz help me solving this activity
asked by summan 
computers
The President of the Company has asked you to replace the computers in every department. The researched information must be presented in this format: A memo to the president stating the need to replace the computers. An Excel spreadsheet comparing three
asked by lasandra 
maths
If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph? ( please help me with the working thanks )
asked by thommini 
chemistry
Convert 12 fluid ounces liters. (1 fl. oz = 29.57 cm^3)
asked by Jack 
MathSPSS
hello! i need some help urgent! does anyone know how to work with SPSS? we need to calcualte the frequency of the most and least used language learning strategies in correlation with grade.any help?
asked by swen 
chemistry
How many carbon atoms are there in 150.0 g Glucose? (Glucose is C6H12O6, molar mass = 180.16 g/mol)
asked by Jack 
chemistry
If a hydrate of the formula decomposes when heated to produce HCl, what change would you expect to occur when a piece of blue litmus paper is held in the path of the vapor released? [Litmus paper is paper impregnated with an acidbase indicator that is
asked by David 
viking age
who are the vikings and what are their daily life, thank you
asked by lily 
Finance
difference between cash flow statement and fund flow statement
asked by Anonymous 
Environmental Science
Does anyone know where I can find information on camparing the use of Malathion to the risk of contracting the West Nile Virus? I have to explain my vote and consider any relevant political, social and economical aspects. Just having trouble finding
asked by stephanie 
chemistry
# Now look at the piece of paper. Using your knowledge of atoms from the Nuclear unit, * Describe two differences in the physical properties of water and the piece of paper. * Describe reasons the paper's physical properties are different from the water's
asked by Anonymous 
health
I know your not doctors here but...Can you help me to under stand the difference between vascular Dementia and other types of dementia?
asked by lois 
math
Michel's class had 4 A's, 10B's, 13C's, 8D's, and 2F's What is the ratio of A's to B's and what is the ratio of f's to total students.
asked by Anonymous 
math
Make up a story problem that fits the following division of fractions problem. Use a drawing and/or explain a model to help students understand how the division concept a;;lies to a situation involving fractions. 5/6 divided by 1/2 = 1 2/3
asked by Anonymous 
intermediate algebra
1.(5,1)is a solution to the equation2x3y=7.what does this mean? 2.(3,_)ia solution of =43x
asked by keke 
math
mr. murphy's will: john murphy was a man with a loving family, a successful career and considerable wialth. one day, upon his realizing hthat he was approaching retirement age, he decided to write up his will. shortyly thereaftr he died. Under the terms of
asked by joshua 
philosophy
Write a persuasive, formal letter to aspecific European philosopher. The assignment should be between 7001050Words. · In the letter,argue that this philosopher is incorrect in his or her view about a particularissue. · Providesupport from your readings,
asked by trudy 
PreCal
Find all the solutions of the equation in the interval (0,2pip) sin(x + pi/6)  sin(x pi/6) = 1/2 I am only stuck on the last part. I have 2sinx(sqrt3/2) = 1/2 Does the 2 cancel out with the sqrt 3/2. I am not sure what to do.
asked by Abby 
College Physics
An 0.10 kg object is hanging from your rearview mirror. While you are accelerating 4.0 m/s2 the string makes an angle with the vertical. There is a weight force going down and tension force along the string. What is the tension force and the angle?
asked by Anonymous 
Communication Language Studies
I need to figure out the original words/phrases from the following malapropisms: Any ideas? Thanks! For all intensive purposes A blessing in the skies Spitting image
asked by Audrey 
Organic chem
I just need some clarification regarding SN1 reactions Okay...so a reaction with a secondary ALKYL HALiDE + CH3OH (Methanal), why is the nucleophile CH3O? why doesn't it dissociate to give CH3 and OH?
asked by Kim 
math  5th grade
Hello: I am having difficulty witht the following math: Question #1 If the area of a circle is 27 sq. in. What is the radius? I am coming up with an answer of 13.5 sq. in. Is that correct? If not, can you show me step by step how to get the answer?
asked by Sylvie 
PreCal(Urgent!!)
Find all the solutions of the equation in the interval (0,2pip) sin(x + pi/6)  sin(x pi/6) = 1/2 I am only stuck on the last part. I have 2sinx(sqrt3/2) = 1/2 Does the 2 cancel out with the sqrt 3/2. I am not sure what to do.
asked by Abby 
English III
How to write a thesis statment?
asked by Leggette 
Biology
19. Which is NOT a general characteristic of plants? a. use oxygen to make usable energy b. primary producers c. have specialized cells d. cell walls composed of cellulose I think it might be either A or B... 24. During initial HIV infection, the HIV virus
asked by mysterychicken 
Math
assume that the speed of automobiles on an expressway during rush hour is normally distributed with a mean of 62 mph and standard deviation of 5 mph. What percent of cars are traveling faster than 62 mph? How would I work this problem out?? Thanks for any
asked by Bianca 
Biology
41. A group calling itself "Virus Alive!" believes that viruses are living organisms. They have petitioned the scientific community to include viruses in the biological classification system. You are a scientist assigned to explain to this group that,
asked by mysterychicken 
math
Why does 1/8cos(2y+6) become 1/8cos(arcsinx/4)?
asked by Aleks 
Project on Marian Anderson
Ok.. we are doing a project on the 6 principles of Karma(which I will list), and we have to find examples of these karmas from Marian's biography. We have to have 6 examples of each with cause and effect. I have a few so far but can you see if they are
asked by Rae Rae 
math .... mad HARD
a football stadium seats 60,000 fans.about 1/4 of the fans pay $100.00 per ticket,1/2 of the fans pay $70.00 per ticket, and the remainder pay about $40.00 per ticket.about how much money will the team collect on a day when there is a full house at the
asked by jafranny 
Math
The sides of a triangle are x, y, and sqrt(x^2+xy+y^2. Determine the Largest Angle.
asked by MonkeyDolittle 
chemistry
Bromine can be added to limonene to created a brominated compound. The balance equation is shown below. When 613 mg of limonene and 3.5 ml of a 10% (v/v) solution of Br2 in dicholomethane (a solvent) are combined, 959 mg of the product is isokated.
asked by bk 
Chemistry
What is the density of an aqueous solution of potassiu nitrate that has normal boiling point of 103 celsius and an osmotic pressure of 122 atm at 25 celsius?
asked by Anmol 
MathGeometry
I'm having trouble with these two questions about slopes and equation of a line: (A)Find the slope of each segment (B)Write an equation of the line that is determined by each pair of points 1. (0,0) and (6,4) 2. (3,2) and (7,4) Thank you!
asked by Sammi 
statistics
How do you know the pvalue on megastat. On minitab It looks like it gets a different pvalue than megastat. I got a number from megastat of 2.35E10 and on minitab it was 0.000.
asked by mark 
math stuck
3/10 + 1/5 = 9/30 + 6/30 = 15/30 but it says that it is 0, or 1
asked by Anonymous 
science
what is a science
asked by mohsin 
chemistry
a known density for a liquid is 1.5 g/ml how many ml will 500 grams of this liquid occupy
asked by amanda 
chemistry
How does the voltage of a galvanic cell change, when there is a precipitate in the solution?
asked by LALA 
Chemistry
Palladium crystallizes with a facecentered cubic structure. It has a density of 12.0 , a radius of 138 , and a molar mass of 106.42. What is Avogardo's number?
asked by Amanda 
Chemistry
The density of an unknown metal is 1.55 and its atomic radius is 0.197 . It has a facecentered cubic lattice. What is the atomic weight of this metal?
asked by Amanda 
AP world history
Analyze the responses to the spread of Buddhism in china... i don't know how to do this essay.. its a DBQ
asked by Jing 
Chemistry
How do i calculate the amount of heat required to raise the temperature of an 89 sample of water from 40 to 60.
asked by Kesha