Questions Asked on
December 2, 2009

physics
Animals in cold climates often depend on two layers of insulation: a layer of body fat [of thermal conductivity 0.200 W/mK] surrounded by a layer of air trapped inside fur or down. We can model a black bear (Ursus americanus) as a sphere 1.50 m in diameter
asked by AE 
sat essay
Is it necessary for us to find new solutions to problems? Many people may argue that we don¡¯t need to since we are already able to solve the problems. As far as I am concerned, we should always try to find new solutions to problems. New solutions enable
asked by Mercedes 
chemistry
Is Procion Red Dye a suitable model for chemistry lab?
asked by donna 
chemistry
When combined with cupric ions (aq, 1M) which will produce the largest standard cell voltage? (Use data from table 20.1, and Appendix D page A28A29 in Petrucci) 1. ) Mn(s) 2. ) MnCl2(aq) 3. ) KMnO4(aq) 4. ) MnO2(s) the answer i got was MnO2,,,,but im not
asked by mandeep 
fibers and fabrics
Which one of the following is the most complete and accurate definition of fiber? A. A stringy substance from plants B. The hair of an animal C. Manmade threads and yarns D. Basic raw material from which fabric is made 2. An example of a natural fiber is
asked by marissa 
physics
A 10 g particle has the potential energy shown in a graph with the yaxis label U(J) and the x axis is labeled in cm. There is a diagonal line from 4 J down to 1 cm and the line levels out on the x axis to 3 cm and rises again to a height of 2 J at 5 cm
asked by Ashley 
Chemistry
Using the standard reduction potentials, calculate the equilibrium constant for each of the following reactions at 298 K. 10Br + 2MnO4 + 16H+ > 2Mn2+ + 8H20 + 5Br2 Work: 2Br > Br2 + 2e (This would be multiplied by 5 to balance out with the upper
asked by Anonymous 
physics
A soccer ball kicked with a force of 13.5 N accelerates at 6.5 m/s2 to theright.What is the mass of the ball
asked by Melissa 
science
benzene has a heat of vaporization of 30.72kj/mol and a normal boiling point of 80.1c. at what temperature does benzene boil when the external pressure is 445 torr
asked by Bryan 
physics
A swimmer is capable of swimming 0.45 m/s in still water. (a) If she aims her body directly across a 75 mwide river whose current is 0.30 m/s, how far downstream (from a point opposite her starting point) will she land? (b) How long will it take her to
asked by bob 
physics
The speed limit in a school zone is 40.0 km/hr. A driver traveling at this speed sees a child run into the road 14 m ahead of the car. The driver applies the brakes and the car slows at a uniform rate of 8.3 m/s^2. If the driver's reaction time is 0.27
asked by kimmy 
physics
a sled slides down a frictionless hill. if the sled starts from rest at the top, its speed is 7.5 m/s. a.) on a second run , the sled starts with a speed of 1.5 m/s at the top.. will it end with less than 9 m/s, 9 m/s, or more than 9 m/s b.) find the speed
asked by tanya 
Physics
A 500N person stands 2.5m from a wall against which a horizontal beam is attached. The beam is 6m long and weighs 200N. A cable is attached to the free end of the beam and makes an angle of 45 to the horizontal and is attached to the wall. 1)Determine the
asked by Sabeeh 
math
Mr. Havel bought a car for $2400 and sold it for $2700. what was the percent of profit for Mr. Havel in selling the car?
asked by Jack 
math
The price of a home is $120,000. The bank requires a 10% down payment and two points of closing. The cost of the home is financed with 30year fixedrate mortgage at 8.5%. Find the total cost of interest over 30 years.
asked by anthony 
Literature
what if I say that the tone of 'Legal Alien' is uncomfortable and complicated as she describes the harships being faced? And for Harlem, can I just say that the tone seems calm as he compares the deffered dreams to unpleasant things? ..I really need help
asked by mysterychicken 
chemistry
How fast must a 56.5 g tennis ball travel in order to have a deBroglie wavelength that is equal to that of a photon of green light (5400 Angstroms)?
asked by Brittany 
Chemistry
What are two differences between the red and green electromagnetic waves in a rainbow?
asked by Astrid 
physics
A 1.6 kg particle moving along the xaxis experiences the force shown in the figure. The particle's velocity is 4.2 m/s at x = 0 m. The figure or graph has F (N) along the y axis and velocity along the x axis. A diagonal line drops from positive 10 force
asked by Hope 
Literature
What is the tone and rhythm of the poems 'Harlem' by Langston Hughes and 'Legal Alien' by Pat Mora? Thanks MC
asked by mysterychicken 
prealgebra
Richard earns $2700 a month. He received a 3% raise. what is Richard's new annual salary?
asked by Sara 
physics
A swimmer is capable of swimming 0.45 m/s in still water. (a) If she aims her body directly across a 75 mwide river whose current is 0.30 m/s, how far downstream (from a point opposite her starting point) will she land? (b) How long will it take her to
asked by carol 
physics
A batter hits a fly ball which leaves the bat 0.90 m above the ground at an angle of 61° with an initial speed of 29 m/s heading toward centerfield. Ignore air resistance. (a) How far from home plate would the ball land if not caught? (b) The ball is
asked by carol 
physics
A snowball is thrown horizontally with a speed of 23.9 m/s from the top of a campus building. It takes the snowball 1.91 sec to travel from the top of the building to the parking lot below. How tall is the building?
asked by Alex 
maths please answer NOW!!!!!
solve algebreically the equation cos2x=1sinx also cosx=cosx1 and please also sin2x=3sinx
asked by adil ahmed 
physics
A batter hits a fly ball which leaves the bat 0.90 m above the ground at an angle of 61° with an initial speed of 29 m/s heading toward centerfield. Ignore air resistance. (a) How far from home plate would the ball land if not caught? (b) The ball is
asked by bob 
physics
A hypodermic needle is 1.5 cm long and has an inner radius of 0.016cm. What excess pressure is required along the needle so that the flow rate of water though it is 0.0013 kg/s? Use ç = 1.0 x 103 Ns/m2 for water. the answet i have found is deltaP=758017
asked by Arianne 
Mathdue today, need a check
Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x and yintercepts.
asked by Lisa 
Physics
A block of mass M hangs from a rubber cord. The block is supported so that the cord is not stretched. The unstretched length of the cord is L_0 and its mass is m, much less than M. The "spring constant" for the cord is k. The block is released and stops at
asked by Keith 
chemistry
Is Procion Red dye a suitbale model?
asked by donna 
Algebra
How long will it take $7,000 invested at 5.5% compounded daily to grow to $14,000? Round your answer to the nearest tenth of a year.
asked by Alexandra 
college algebra word problem
Here's the problem I was asked: You are visiting your parents on a farm. They have asked you to design a small rectangularshaped vegetable garden along an existing wall in their backyard. They wish to surround it with a small fence to protect their plants
asked by confused 
ALGEBRA 1
Use inductive reasoning to describe each pattern, then find the next two numbers in each pattern. 1,1/4,1/9,and 1/16... those are fractions except for the number 1 in front. Find the 2nd,5th, and 9th terms of each sequence. 1/2,1/3,1/6,and 0... those are
asked by kaycee 
3rd grade
if the ones digit of a number greater than 1 is 0, what factor or factors must that number have? a2 only b5 only c2 and 5 dneither 2 or 5
asked by susan 
AP Physics
A student found an unknown substance. In an effort to identify the thermal properties of the substance, she isolated a specimen of 47 gram, and applied 290 J of heat energy to the specimen. If she measured the temperature of the specimen changed from 20 °
asked by Sasami 
Math
If m( angle 1) = 4x + 10 and m( angle 7) = 6x + 4, what are the measures of angles 1 and 7? I'm not sure how to show my work. Angle 1 and angle 7 are congruent alternate exterior angles
asked by Punkie 
dressmaking
Mrs. Shotto was once one of your regular customers, but she hasn't asked to have any garments made in approximately one year. You note she has lost weight. She would like you to make her a special silk blouse to replace a favorite blouse that has worn out.
asked by marissa 
physics
if a block of wood dropped from a building has attained a velocity of 78 m/s how long has it been falling?
asked by LAUREN 
Algebra
A LARGE PIZZA COSTS $8.95,PLUS 0.65 FOR EACH ADDITIONAL TOPPING.REMI PAID $10.90 FOR A LARGE PIZZA.HOW MAY ADDITIONAL TOPPING DID HE GET?
asked by Scott 
Algebra 1
Use inductive reasoning to describe each pattern, then find the next two numbers in each pattern. 1,1/4,1/9,and 1/16... those are fractions except for the number 1 in front. Find the 2nd,5th, and 9th terms of each sequence. 1/2,1/3,1/6,and 0... those are
asked by kaycee 
chemistry
An alpha particle has a mass of 6.6*1024 g travels at 3.4*107 +/ 0.1*107 mi/h a. What is the DeBroglie wavelength (in meters)? b. What is the uncertainty in position?
asked by Brittany 
8th grade
FILM PROCESSING COSTS $4.95, PLUS 0.35 FOR EACH PICTURE PRINTED. MILAN PAID $11.95 FOR PROCESSING AND PRINTING. HOW MANY PICTURES DID HE HAVE PRINTED?
asked by LORI 
Chemistry
What is the specific heat for Hydrochloric acid with the concentration of 0.3M?
asked by Indah 
Grade 12 Data Management
Two cards are drawn without replacement from a deck of 52 cards. a. What is the probability of drawning 2 aces? b. What are the odds in favour of drawing 2 honour cards? (A, K, Q, J, 10)
asked by Nate 
math
The temperature dropped 15 degrees from the high temperature to –6° C. What was the high temperature?
asked by Poo 
Math/Algebra
Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x and yintercepts.
asked by L 
us history
cryptogram grid
asked by smith 
physics
A 240 g ice cube at 10 C is placed in an aluminum cup whose initial temperature is 70 C. The system comes to an equilibrium temperature of 20 C. What is the mass of the cup?(answer in kg)
asked by ana 
Chemistry
According to the following reaction, how many moles of water will be formed upon the complete reaction of 22.6 grams of hydrochloric acid with excess iron(III) oxide?
asked by Dalton 
Chemistry
According to the following reaction, how many moles of water will be formed upon the complete reaction of 22.6 grams of hydrochloric acid with excess iron(III) oxide? hydrochloric acid (aq) + iron(III) oxide (s)> water (l) + iron(III) chloride (aq)
asked by Dalton 
physics
Three identical balls are thrown from a cliff of height, h, above a horizontal plane. One ball is thrown at an angle of 45 degrees above the horizon, the second is thrown horizontally, and the third is thrown at an angle of 30 degrees below the horizon
asked by William 
chemistry
A radio wave has a frequency of 3.6 * 10 10 Hz. What is the energy of one photon of this radiation? thank you.
asked by Brittany 
physics
At what projection angle will the range of a projectile equal to 6 times its maximum height? Just need answer, i have done all of the work and want to check my answer
asked by carol 
Physics
Bernoulli's equation is an expression of: the conservation of mass the conservation of total energy the conservation of kinetic energy the conservation of momentum the conservation of velocity My ans: the equation states that it should be a constant when
asked by Nikita 
algebra
Denise buys a shirt on sale for $21.08. this represents a 15% decrease in price. what was the original price of the shirt
asked by Yaun 
physics
A 10 g particle has the potential energy shown in a graph with the yaxis label U(J) and the x axis is labeled in cm. There is a diagonal line from 4 J down to 1 cm and the line levels out on the x axis to 3 cm and rises again to a height of 2 J at 5 cm
asked by Ashley 
statistics
Assume we draw a simple random sample from a population having a mean of 100 and a standard deviation of 16. What is the probability that a sample mean will be within plusorminus two of the population mean for each of the following sample sizes? (a.) n =
asked by Desire 
Physics
If an object is hung from a cable with a weight of 40 N, what is the tension in the two cables? I got some answers, but it would be best if I knew if I was doing the problems correctly before I do the rest of the worksheet. I did a bunch of work, but it's
asked by Katie 
physics
If an object is hung from a cable with a weight of 40 N, what is the tension in the two cables? I got T1=21.23N and T2=18.77 but I don't know if I am doing these problems correctly...
asked by Rhonda 
math
how do i factor this problem it says factor mnm
asked by jen 
Physics
Alcohol flows smoothly through a horizontal pipe that tapers in crosssectional area from A1 = 41.9 cm2 to A2= A1/3. The pressure difference Äp between the wide and the narrow sections of the pipe is 11.1 kPa. What is the volume flow rate ÄV/Ät of the
asked by Rebecca 
physics
A car and a motorcycle start from rest at the same time on a straight section of the road. However, the motorcycle starts 29.6 m behind the car. The car accelerates at a uniform rate of 3.9 m/s^2 while the motorcycle accelerates at a constant rate of 4.2
asked by Alex 
Metaphysics
hi can anyone help me with this paper? this is the basis of the paper I. Statement of Aristotle’s Metaphysical Proposal A. Aristotle’s argument in favor an Absolute Being B. Nature of Aristotle’s Absolute C. The relation of his Absolute to the realm
asked by Sean 
college microeconmics
What is profit maximization condition for a firm? Explain why this condition must hold. Present a logical explanation and a graphical one. What is a "breakeven" point? Will a breakeven point always be present for a firm? Could there be more than one
asked by Chris 
Literacy development
How can teachers positively impact the reading comprehension skills of young students
asked by Anonymous 
reading/writing
I have to pick a creative selection such as a painting, political cartoon, or lyrics form a song, poem etc, and I need to complete the following. 1. What observations I can make about this selection 2. What questions can I develop form these observations
asked by katie 
physics
What is the pressure gradient (the drop of pressure per length unit) in a blood vessel with a volume flow rate of ΔV/Δt = 54 cm3/s and an inner diameter of 7 mm. Hint: the viscosity coefficient of blood in the specific case we study is ηblood= 2.7 x
asked by hilary 
pre calc
find the domain of the following functions f(x)=1/x+ 5/x3
asked by kim 
math
A store owner buys 40 shirts for $600. She then adds 40% to her cost and tags each shirt with the same selling price. What is the amount of profit for each shirt? Please help me!!!
asked by Jessica 
social
what are two actions outlawed by the english bill of rights?
asked by abby 
language arts
part a identify participle or participle phrase and the word it modifies 1)Taken for granted by most of us, paper is an esseantial part of our lives 2)The papeer used today has developed over many centuries 3)Ancient Egyptians wrote on a sheet formed from
asked by robert 
French
could you please check these thanks Directions: Connaître et savoir: Rewrite the following sentence with each pronoun and make all necessary changes. Use this model for each sentence Je connais Marie et je sais qu'elle est française. 1. Il
asked by Rachel 
Chemistry
The volume of an ideal gas is 2.06L at standard temperature and pressure. Calculate the volume at 1.75 atm and 27 degrees celcius.
asked by Amber 
Advanced Biology
Describe how the Principle of Unit Characters is demonstrated in a monohybrid cross. I thik it would be that individuals pass information on as individual traits.
asked by Jennifer 
physics bobpursly help still having trouble
A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. A large fragment m=60 kg is ejected in the backwards direction so that it is stationary with respect to the earth and falls
asked by Andy 
chemistry
The time dependent concentration of solute particles in a solution is given by c(r, t) = [n/8(pi D t)^(3/2)] e^(r^2 /4 D t) where r^2 = x^2 + y^2 + z^2 with x, y, and z being the values of three components of the position in the Cartesian coordinate
asked by drifting 
math
the integral of 1x25x+14/(x1)(x^2+9) the answer i got was ln(x1)5/3 tan^1(x/3) however this is not right pleasee help!
asked by sinead 
physics
The two blocks in the figureoscillate on a frictionless surface with a period of 1.7s . The upper block just begins to slip when the amplitude is increased to 34cm . What is the coefficient of static friction between the two blocks?
asked by kelly 
Calc
A metal cable has radius r and is covered by insulation, so that the distance from the center of the cable to the exterior of the insulation is R. The velocity v of an electrical impulse in the cable is v = C(r/R)^2*ln(r/R) where c is a positive constant.
asked by Greg 
physics
An object mass 1,448 g is attached to a spring with spring constant k = 815 N/m. The object is then displaced by a distance d from the equilibrium position and is released. Shortly after, it passes with speed v = 6.4 m/s through the equilibrium position.
asked by Arianne 
Literature
'Explain how people can find miracles in everyday life. Support your ideas with examples from the poems 'in Just' and 'Daily'. This is what I got is it OK? The greatest miracle above all is life itself, and the many wonderful things we find in it. Even
asked by mysterychicken 
History
1 ) name one economic reason why the British colony wanted confederation ? 2) name 2 military reasons why the British colony wanted confederation ?
asked by Sam 
english
cud anyone describe in brief or tell a site that describe the theme of "abroad at a ship's helm" and "the moon is distant from the sea" please. im not sure if i understood the themes of both the poems. after understanding it i might be able to tell if both
asked by bindiya farswani 
social studies
In which region do you think the physical features have the biggest impact on daily life?Why?
asked by Anonymous 
Algebra
Determine is a linear equation, if so write it in standard form 3x=5y 7y=2x+5x
asked by JML 
biology
Describe and evaluate both the origin of life theory
asked by natasha 
physics
An ideal gas in a container is at a temperature of 76.3°C. What is the average translational kinetic energy of a gas molecule in the container?
asked by Kim 
language arts
idntify gerunds and then write how its used:S is subject PN predicate nominative DO direct object OP object of a preposition 1)CHEERING the team gave me a sore throat 2)Joanna's mother enjoys PRESERVING fruits and vegetables 3)We stopped him from TELLING
asked by robert 
math
Explain whether the set {0, 1, 2} is closed with respect to addition on whole numbers.
asked by student 
Physics
An object is attached to a horizontal spring. It is initially displaced by distance Δx from the equilibrium position and then released from rest. When the object passes the equilibrium position, its speed will be: a)v = 0 m/s b)v proportional to Δx (the
asked by Nikita 
LA cont.
1)Taken for granted by most of us, paper is an esseantial part of our lives participle:essential modifies:part 2)The papeer used today has developed over many centuries participle:used mod.:paper 3)Ancient Egyptians wrote on a sheet formed from stalks of a
asked by robert 
Science
scientists often use models to Study the movement of earth and it's moon. Why do they use models to study the movements?
asked by Lia Help! 
Physics
A mass m = 1.50 kg oscillates on an ideal,massless horizontal spring with a constant k = 73.5 N/m.The amplitude of oscillation is 10.0 cm.The system is frictionless. The positive xdirection is to the right. What is the mass's natural period of
asked by Sandhya 
science
scientists often use models to study the movement of earth and it's moon. Why do they use models to study the movements? please help pretty pretty please with cherry on top!
asked by Lia Help! 
chemistry
how many grams are in 5.2*10^15 atoms of nickel
asked by chance 
Math /ALGEBRA
WE NEED TO KNOW WHAT X REPRESENTS. THE QUESTION IS: FILM PROCESSING COSTS $4.95, PLUS 0.35 FOR EACH PICTURE PRINTED. MILAN PAID $11.95 FOR PROCESSING AND PRINTING. HOW MANY PICTURES DID HE HAVE PRINTED?
asked by LORI 
spanish
whqat does me duele mean in english?
asked by Anonymous 
chemistry
Are the following quantum number combinations allowed? Else show any one way to correct them. a. n = 2, l = 0 m = 1 b. n = 4, l = 3 m = 1 c. n = 1, l = 0 m = 0 d. n = 3, l = 1 m = 2
asked by Brittany 
prealgebra
Richard earns $2700 a month. He received a 3% raise. what is Richard's new ANNUAL salary? thanks
asked by Sara 
Algebra
how to I find an equation of a line given two points on that line (not using a graph) example:(1,5)(2,7)
asked by Nate 
MAT 116 – Algebra 1A
A longdistance telephone plan costs $2.00 a month, plus 4 cents per minutes, or part thereof, for any longdistance call made during the month. Write a verbal rule to determine the total monthly cost for your longdistance calls for the month.
asked by Peter 
social
according the the english bill of rights, how is freedom of speech protected?
asked by abby 
ct
Consider the following prejudicial rhetorical devices: o SUVs are apartment homes on wheels (a rhetorical definition). o Said by a student who is new to honors classes and struggling with them: €•I would have aced that test if I weren’t in a class
asked by f 
3rd grade
Juan says when you put together unequal groups,you can only add is she correct Explain
asked by Jennifer 
physics
A particle of mass m starts from x subscript o = 0 m with V subscript o > 0 m/s. The particle experiences the variable force F subscript x = F subscript o sin (cx) as it moves to the right along the xaxis, where F subscript o and c are constants. I have
asked by Hope 
science  biology
If our cells and body fluids are hypertonic to the water of a swimming pool, then why do we not swell and pop when we go for a swim?
asked by Cyn 
Precalculus
Sorry ok I was talking about on the unit circle how come the slope of the reference line (say if you were to angle pi/2, the reference line would be the positive y axis from y equals zero to y equals one, I think this line is called this, like if you were
asked by Joe 
Chemistry
What is the specific heat for calorimeter using styrofoam cup?
asked by Chel 
language arts
me deeds are sung in many a song. Use this clue to move you along
asked by Meliss 
algebra
in music what does allegro mean?
asked by marttrell 
Math
Indicate whether the mass of the following objects could best be measured in grams or kilograms: An elementary school student It is kilograms right?
asked by Anonymous 
Advanced Biology
Describe how the Principle of Segregation is show in th dihybrid cross of rabbits. I think it would be that each character separates into a different sex cell.
asked by Jennifer 
English
Does my thesis statement make sense? The quote ‘Something is rotten in the state of Denmark’ (I.iv.90) is true; Denmark’s wellbeing is corrupted with decay.
asked by Anonymous 
Algebra
I need help solving 3x1/x+5 + 43/x^225= 3x+1/x5
asked by Chelsea 
7th grade
what is the gcf of 35a^2 and 85ab
asked by jose 
Algebra
write an inequality that expresses when you would use a 20% off coupon for $5 off when you spend $20 or more.
asked by matt 
Chemistry
What is the specific heat for calorimeter constant? What is the specific heat for KCl + H2O? thankyou.
asked by Indah 
history
how the arrival of Europeans in north america affected native cultures
asked by vanessa 
Science
What is Newtons law? i tried to look it up but my computer kept freesing
asked by Clarissa 
Psych. (? on PTSD)
Is there an increased or decreased parasympathetic nervous system arousal in people with PTSD?
asked by Pierre 
economics
everything about the budget constraint
asked by economics 
social studies
Think of way other than by physical characteristics to divide the united states into regions.Describes the locations and features of the regions.
asked by ada 
christmas theme
need to unscramble this word, christmas theme heernwsmeeit
asked by jeana 
math
six three/tenth minus two one/half
asked by malik 
art
i need a photo of an animal, I can't think of any animal, please send some pictures!
asked by Sally 
physics
At what projection angle will the range of a projectile equal to 6 times its maximum height? I know its easy but ive been absent and missed class!
asked by tim 
Algebra 1A
Translate Two dollars plus four cents times the number of minutes in part into a symbolic rule. Use c to represent the total monthly cost and n to represent the total number of longdistance minutes for the month.
asked by Peter 
Advanced Biology
In a cross of two individuals hereozygous for a single trait, what genotype and phenotype ratios would be obtained?
asked by Jennifer 
French
Could you please check this also thanks Directions: L'Alsace, vous connaissez? Complete with the correct form of connaître or savoir. Karen et Melissa vont en France. Elles vont visiter l'Alsace. Elles (connaissent) assez bien Paris,
asked by Rachel 
physics
Let's pretend the Qs are actual numbers. So an unstretched, mass less spring constant Q3 N/m and length Q10 meters is attached between a wall and a mass of Q5 kg. The coefficient of both static and kinetic friction between the mass and the table is Q13. A
asked by autumn 
biology
sorry but what is the sequece of cellular respiration what you gave me is right just not what i needed
asked by angelica 
Math
A box of 6 cell phones costs $124.54. what is the cost of one cell phone.
asked by saiyda 
math
find the unit rate 68 mi on 2 gal
asked by tracey 
engish
what biodegradable means
asked by anu 
Math
The cost of a new car is $16,000, which can be financed by paying $3000 down $300 per month for 60 months. Use the actuarial method to find the unpaid interest. Instead of making the thirtysixth payment, the borrower decides to pay the remaining balance
asked by anthony 
Advanced Biology
Are the ratios obtained in a dihybrid cross always the same? Explain.
asked by Jennifer 
Politics
How fast did america respond to the tsunami 2004?
asked by Lyndse 
Statistics (Verify My Answers)
If I do a research project and my hypothesis is that attitudes of human services providers towards HIV/AIDS would improve after participation in a program would my sampling method be simple random, stratified or cluster sampling? I think it would be simple
asked by Linda 
cacl
integral of x^3+65/X^+7x+12 dx when i solved i got x^2/27x+64ln(x+4)111ln(x+3)+c however this isn't the right answer....what have i done wrong??
asked by sonia 
Error ! question
If the company administers n=10 identical triangle taste tests to this job applicant and if we say that ‘x’ is the number of correct identifications made (in n=10 trials), then the Rejection Region is the “set of values which ‘x’ could assume
asked by Desire 
algebra
multiply and simplify by factoring. Assume that all expressions under radicals represnt nonegative numbers. 3ãy^4 3ã81^3
asked by john 
college
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bound process uses before generating an I/O request is t (t >> s). Discuss the
asked by shami 
health
how does our government or health care system positively or negatively impact the lives of women?
asked by tiffany 
health
Describe two approaches or indicators to measuring patient outcomes.What role do health care workers play in determing quality care?
asked by toya 
psychology
When the conditions of a study resemble or approximate only the conditions of interest, questions may be raised about the ''blank'' of the study. A external validity B internal validity C standardization D randomization This question is very difficult for
asked by Tzeni 
9th grade
what is the cellular respiration formula
asked by angelica 
history
how native cultures affected eropeans
asked by vanessa 
science
Which requires more work  running around the block or walking around the block?
asked by Lenny 
biology
what substance enters the food chain through photosynthessis
asked by angelica 
Math
I don't get it a box of 6 cell phones costs $124.54. What is the cost of one cell phone?
asked by saiyda 
math
Are you supposed to divide?
asked by saiyda 
Math
Complete the following statements by using milligram (mg), gram (g), or kilogram (kg): A penny has a mass of about 3 . . . .
asked by Anonymous 
English  Tone
Would anyone want to help me figure out the tone of this poem? Since there's no help, come let us kiss and part. Nay, I have done, you get no more of me. And I am glad, yea glad with all my heart That thus so cleanly I myself can free. Shake hands forever,
asked by Karen 
PreCalc
Show that cos(pi  θ) = cos θ for every angle θ
asked by Frankie 
algebra
3x=12
asked by Anonymous 
math
A(square)+ 7(square)=6(Square)
asked by Courtney 
science
how do you find the wave speed from the frequency and the wavelength? show how the units of speed are related to the units of wavelength and frequency. Thank You :)
asked by Anahid 
His115
What political events and social viewpoints made a federal constitution and government essential?
asked by Jaime 
english
how to unscramble Dolurf
asked by addukae 
geometry
Can someone please show me how to find the centroid of a triangle with a median of 36 units. I know the ratio is 2:1 and the answer is 36. I just do not understand the formula.
asked by Kate 
psychology
Which of the following statements is false? A Childhood psychopathology is a relatively common occurrence. B Most childhood problems and disorders remit by the end of childhood. C Children today face greater stressors than they did in the past. D Young
asked by Tzeni 
math
where there's smoke, there's
asked by ian 
PRE CALCULUS
find the range of the following functions g(x) =x/x2
asked by john 
math
A traveler travels on a highway 80 miles at 55 miles per hour, he then travels back on the same highway at 45 miles per hour. What was his average rate of speed. (Hint: it's not 50 miles per hour) If it's not 50, i'm so confused!!! Please help!!! (and
asked by Ashley 
medical office procedure
Develop a new office protocol pertaining to billing and cash management. Explain the relationship of the new protocol with other existing polices, such as data collection, communication, privacy, and medical records. Include a highlevel flow chart
asked by Anonymous 
Math
Hurricane Katrina dropped about fourteen inches of rain over a 48 hour period. How much rain is this in one hour ?
asked by Christina 
Math
What must be added to 5 and 1/3 to get a sum of 9?
asked by saiyda 
biology
what removes crbon from the amosphere
asked by angelica 
math
Ms. Sue, i don't know who Jessica,Sara, or jack is. that was kinda wierd. but this is my question How would i set up the last problem that i asked?
asked by Yaun 
Math
The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
asked by Nicole 
Math
Evaluate: 7 + (9) + (5) + 6 A) 17 B) 1 C) 9
asked by Anonymous 
math
what is y=6
asked by Talia 
calculus
Show that cos(pi  θ) = cos θ for every angle θ
asked by Frankie 
algebra 1
Put into standard form 3/x + 4/y = 2
asked by Michelle 
math
How do I figure: What number is 8% of 24?
asked by john 
RIDDLE
WHEN BROKEN I RUN? WHAT AM I
asked by Anonymous 
Creative Writing
I read some of the websites posted yesterday for the causes of AIDS decline. Here's what I got: . better treatment . 'appearance of drugresistant infection and the inability of some patients to take the medicines' . HIV prevention will someone please help
asked by y912f 
Physics
Use the following two viscosity values for liquid water: η = 1.8 x 103 Ns/m2 at 0 o C η = 2.8 x 104 Ns/m2 at 100 o C At what temperature do you need a lesser force to pull a given glass slide with a given speed v though the water?
asked by Nikita 
6th grade
How do you draw a cross section showing your disign for a pharaohs tomb?
asked by emily 
Health
What are a couple simple ways to break or fracture your ankle?
asked by Clarissa 
college
Adam, Bill, Chris, and Dave each own one quarter of a company. Bill sells 2/3 of his shares to Dave. Adam sells 3/5 of his shares to Chris and the rest to Dave. How much of the company does Dave own now? Give your answer as a fraction reduced to simplest
asked by Jocelyn 
Math
Place each of the following sets in ascending order. (smallest to largest) 3/7, 6/7, 1/7, 1/2, 2/7. A) 6/7, 1/2, 1/7, 2/7, 3/7 B) 3/7, 2/7, 1/7, 1/2, 6/7 C) 1/2, 6/7, 1/7, 2/7, 3/7 Is the correct answer A?
asked by Anonymous 
cacl
the integral of 1x^25x+14/(x1)(x^2+9) the answer i got was ln(x1)5/3 tan^1(x/3) however this is not right..... pleasee help!
asked by sinead 
French
I am desribing one of Pissarro's, (an Impressionist artist)painting. Are the vocabulary used correctly to dipict my meaning?? Comme le montre le blues lumineuse du ciel bleu en contraste avec les teintes de la gelée cassante sur le sol gelé. Il s'est
asked by sh 
calc
differentiate y=3^xlnx
asked by jackie 
Statistics (Verify My Answers)
In regard to my original question I now think that the sampling method would be cluster sampling. Is that correct?
asked by Linda 
bloomfieldhall
tell some facts about healthy habits
asked by minahil 
algebra
probability and odds
asked by Dragon 
health
what do you think is your personal stake in changeing the way our health care system works?
asked by tiffany 
electrical
Explain the term short circuit and open circuit ?
asked by TOM 
spanish
how do you tell a gardener to lock the gates so dog will not get out of yard
asked by debbie 
social studies
what is the most useful indicator of the degree of democracy reached by a particular society is whether it has a:
asked by brittany 
pre calc
identify if the following are functions or not explain the answer (a)x=7y10
asked by james 
6th grade math
to stores have the same item originally priced the same in both stores.one store has 40% off and 1/3
asked by Anonymous 
English
Is this sentence grammatically correct? I would someday like to be half the man my father is.
asked by Andrew 
math
what does p=>.85 mean?
asked by diane 
Governments in the past
why did people long ago form communities
asked by Jennifer 
Science quick question
Is this right?? How do the structures of nucleotides attach to the old dna strands? Matching C with G and A with T?
asked by Lisa 
6th grade
this is for science what is solubility dependent on
asked by marian 
algebra
find the domain of the following function g(x)=x/x^25x find the range of the following function h(x)=x^3+x/x
asked by jake 
MATH
Evaluate: 7 + (9) + (5) + 6 A) 17 B) 1 C) 9 Okay.. I am having a brain fart! Do you do the math in the parenthesis first? If so, the answer would be A> 17? Please help!!
asked by Anonymous 
Math
2 m 300 mm = ___centimeters I am confused on the meters part. I can't find how to convert them into centimeters?
asked by Anonymous 
Wave Motion Physics
A transverse wave on a string is described by the following equation. y(x, t) = (0.35 m) sin[(1.25 rad/m)x + (92.8 rad/s)t] Consider the element of the string at x = 0. (a) What is the time interval between the first two instants when this element has a
asked by Jacob 
biology
but also what puts it back to the amosphere
asked by angelica 
maths
cos2xcosx+1=0 solve this
asked by adil 
Foundations in business
Analyze the problems, issues, and tasks employees will have to solve to best provide such a service to customers
asked by Nicole 
french
choosethe correct answer from below! 1.pour viser les consommateurs qui ont beceaucoup d'argent, link the product with a luxury life distribute booklets in schools put samples in magazines give a price of special launching signal his asect biodegradable
asked by anu 
history
what is a authorized website source for the battle of lexington
asked by brie 
the progressive era
what does the word "boodle" mean?
asked by alex 
Math
what is 58/418????
asked by Anonymous 
math
number sense: is the solution of 100f=60 greater than or less than 60?
asked by veton 
psychology
People often make career changes in their lives. How would the humanistic theory of behavior explain this phenomenon?
asked by Who knows 
Creative Writing
'Write a few paragraphs about your pace (speed) in completing your daily activities. Be sure to include examples and/or classification in your netry. Also, notw what you think the cause(s) of your normal pace is (are)genetic or a result of conditioning
asked by y912f 
7th grade
what is 44q to the power of 30?
asked by Luis 
math
3^3+4.2x8 divided by .2(this is 3 to the third power)
asked by jenna 
french
choose the correct answer from below 1.pour viser les consommateurs qui ont beceaucoup d'argent, link the product with a luxury life distribute booklets in schools put samples in magazines give a price of special launching signal his asect biodegradable
asked by anu 
elgebra
indentify the degree of each term of yje polynomial and the degree of the polynomial 2X^3+3x^2+4x+9
asked by john 
math
2m^820m^9150m^8
asked by Shia 
french
it is due i did not understand my teacher did one for me. can you help me
asked by anu 
math
how do you find domain and range for the problem f(x)=x cubed
asked by Lauren 
math
14= 2(h3)/5
asked by Ashley L. 
Math (accelerated)
how do you do a multisteap equation such as Example: Y=5*(62)/10+C?
asked by Sean Sanker