Thursday
May 26, 2016

Posts by ANONYMOUS

Total # Posts: 97,260

Language arts
I'm confused on some questions. Thank you for all the help! Joe magarac, Man of steel 8. In section 1, what does the author mean when he says joe magarac is a folk hero? A. Joe was a real man who spent his whole life in the steel mills of Pittsburgh. B. Joe was a ...
April 25, 2016

Maths
A population has a mean (q) and a standard deviation equal to 2.3 What is the smallest sample size that would give a 95% confidence interval for (q) to have a width less than 0.1? Please help Thankyou
April 25, 2016

Calculus
A spherical water balloon is being filled with water at the rate of 125 cubic inches per minute. At what rate is the radius increasing when the radius is 10 inches? At what rate is the surface area increasing?
April 25, 2016

Calculus
A bead moves on a circular wire x^2 + y^2 = 25. As it passes the point (3,4), the x-coordinate is decreasing at a rate of 2 units per second. At what rate is the y changing?
April 25, 2016

Calculus
A man is 2 m tall is walking at a rate of 1 m per second in a straight line away from a 10 m lamppost. How fast is the tip of his shadow moving away from the lamppost?
April 25, 2016

Technology
What do you think a counterweight does for a mine winding system
April 25, 2016

math
eeeee
April 25, 2016

Life Orientation
People resort crimes
April 25, 2016

Help please
Thank you anyways.
April 25, 2016

Help please
1. is B sorry.
April 25, 2016

Help please
I think it's B and A
April 25, 2016

Help please
How did Henry David Thoreau inspire later American reformers? A) by introducing civil disobedience B) by introducing a new genre of writing C) by convincing the people to believe in God D) by introducing the benefits of solitary living Which answer best describes how women ...
April 25, 2016

Social Studies
I don't know
April 25, 2016

Chemistry
thats tricky than and your right 1 liter isn't technically exact but I believe since its a conversion factor we never acknowledge it for sig fig sake (intro chemistry) so .2000 ? that just doesn't sit right though, something about that answer... what if i made it 1....
April 25, 2016

CALCULUS
Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small tank is initially full of water, and the ...
April 25, 2016

AP Calculus
A race car is running practice laps in preparation for an upcoming race. To judge how the car is performing, the crew takes measurements of the car's speed S(t) (in miles per hour, or mph) every minute. The measurements are given in the table below. t (min) --- S(t) (mph 0...
April 25, 2016

SCIENCE
People Order Our Patties
April 25, 2016

English
A student completing research for a project enters the following search terms: Baseball AND history NOT semi-professional Which of the following best describes the likely results of this search? A.Sources that reference only general baseball history and exclude semi-...
April 25, 2016

Lifeorientation
Answer
April 25, 2016

Lifeorientation
the country South Africa. and media is fecebook
April 25, 2016

Lifeorientation
Describe a recent corruption and fraud case in the country making headlines in the media
April 25, 2016

Lifeorientation
Hlp pls
April 25, 2016

math
that is incorrect, according to college board.
April 25, 2016

math
0.55
April 25, 2016

Economics
Demographic transition during the agricultural age means high infant and child mortality is accompanied by high birth rates and population increases occur?
April 24, 2016

Global Studies
Was China's one child policy only for Han Chinese or was it for everyone? I have found lots of conflicting information on this. Thank you!
April 24, 2016

Research
How much did the watsons goes to birmingham trip cost in all. Including food, gas, motels,etc.
April 24, 2016

Science
The procedure for this would be explaining your steps, you would put it down as bulletins, for example 1. Get baking soda and pour in small glass 2. Pour vinegar in the small glass and record results. Those are just examples but that how you write down the procedure, now if ...
April 24, 2016

Math
You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a 10-inch square as the bottom and you want the slant height to be 12 inches, how much poster board do you need? A: 340 inch B: 360 inch C: 384 inch D: 400 inch
April 24, 2016

Math
A bakery charges $0.10 for a cookie that is 2 inches in diameter. If the price is proportional to the area, how much do they charge for an extra large cookie that is 8 inches in diameter? Assume that each cookie is shaped of a circle. A: $0.40 B: $0.80 C: $1.60 D: $6.40
April 24, 2016

Physics help
a wave with a frequency of 3.1 hz and a wavelength of 0.3 meters experiences a lengthening of wavelength to 2.6 meters what is the new frequency of this wave? a wave generator produces a wave with a frequency of 45 hz and a wavelength of 1.9 meters. If the settings on the wave...
April 24, 2016

math
a triangle has sides 8cm and 5cm and an angle of 90 between them. calculate the smallest angle of the triangle
April 24, 2016

chem
factors that influence NMR intensity? All that my textbook says is "the intensity of NMR is influenced by many factors" that is not helpful at all >_>
April 24, 2016

Math
Given the geometric sequence: 19, 17111, 1539121, ⋯ Find an explicit formula for an, where the first term is a1=19. an= Find a6=
April 24, 2016

counseling
During the initial session, counselors should be sure to assess clients for each of the following problems except for:
April 24, 2016

chemistry
thank you :)
April 24, 2016

chemistry
also we had 0.3885 grams dissolved into a 100 mL vol flask... hmmm
April 24, 2016

chemistry
how do i calculate a weight/vol % from a molarity given the density? Molarity is 0.0303 M density = 1.52 g/mL, molar mass is 41.99 g/mol.
April 24, 2016

chemistry
The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer solution that gives a pH of 7.40. You decide to use a sodium phosphate buffer: the acid is H2PO− 4 and the conjugate base is HPO2− 4 . You want the concentration of the acid to be...
April 24, 2016

Math
24 oz. of soda cost $1.29. At that rate, how much would you expect 30 oz. of soda to cost?
April 24, 2016

life orientation
There is no help here,you guys r jst selfish,i dnt knw m still bothering my self about all this app.agg there is no help but selfishness her,jst get over your selves nd find a life man.to hell wth this app.and if you guys dnt hve anything beta to say here,jst go to facebook or...
April 24, 2016

Economics
the graph decrees
April 24, 2016

Chemistry
You prepare a buffer solution by dissolving 2.00 g each of benzoic acid, C6H5COOH and sodium benzoate, NaC6H5COO in 750.0 mL of water. What is the pH of this buffer? Assume that the solution's volume is 750.0 mL.
April 24, 2016

Anti-Derivatives
A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof? I have found s which is 16^2 but I do not know what formula to ...
April 24, 2016

Physics
8=D
April 24, 2016

math
In a GP, the sum of the 3rd and 4th terms is -4 /3, and the sum of the 4th and 5th terms is -4 /9. Find the 6th term
April 24, 2016

chemistry
If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
April 24, 2016

chemistry
If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
April 24, 2016

chemistry
If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
April 24, 2016

English
English is the language of opportunity why bother to teach indigenous languages?
April 24, 2016

Life orentatlon
e tia o tia xem... I really don't know what to write
April 24, 2016

Chemistry
One of the two possible rearrangements of the parent ion of 2-methyl-3-pentanol is more likely than the other. Which rearrangement is more likely, and explain why there is a difference?
April 23, 2016

math
Joe made 15 points in a basketball game, 3 points are given for a long shot, 2 points given for a field goal, and 1 point is given for a free throw. In how many ways can Joe score 15 points?
April 23, 2016

relative and absolute change
If you earn $1200 per month and you expect your earnings to increase by 10% per year, how much do you think you will be making per year in 5 years?
April 23, 2016

Absolute and relative change
The interest rate on a car loan has increased 50% over the last 10 years and is now 9%. What was the rate 10 years ago?
April 23, 2016

Math
The X intercept is the point at which Y = 0. Since there is no way (that I know of at least) to make 3^X equal to 0, there is no X intercept. The Y intercept is the point at which X is equal to 0. This is much easier to calculate, as you can just plug in 0 for x into the ...
April 23, 2016

Physics
The angle is relevant because only the horizontal component of the recoil is applied to the railroad car. Basically, you calculate the impulse delivered by firing (equal to the momentum of the shell), multiply it by the cosine of 40 degrees, to get the horizontal impulse ...
April 23, 2016

Law and ethics
You are in charge of General Hospital’s compliance program. As part of the Hospital’s orientation program, you provide an overview of the compliance program to new employees. Things to consider: The concept of compliance has been a feature of health care for decades...
April 23, 2016

Calculus!!
Consider the differential equation given by dy/dx = xy/2. A. Let y=f(x) be the particular solution to the given differential equation with the initial condition. Based on the slope field, how does the value of f(0.2) compare to f(0)? Justify your answer. B. Find the particular...
April 23, 2016

AP Calculus
Suppose that f has a continuous second derivative for all x, and that f(0)=1, f'(0)=2, and f''(0)=0. A. Does f have an inflection point at x=0? Explain your answer. B. Let g'(x) = (3x^2 + 2)f(x) + (x^3 + 2x + 5)f'(x). The point (0,5) is on the graph of g. ...
April 23, 2016

Calculus
Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small tank is initially full of water, and the ...
April 23, 2016

Calculus
Let M be the region under the graph of f(x) = 3/e^x from x=0 to x=5. A. Find the area of M. B. Find the value of c so that the line x=c divides the region M into two pieces with equal area. C. M is the base of a solid whose cross sections are semicircles whose diameter lies in...
April 23, 2016

Calculus
A race car is running practice laps in preparation for an upcoming race. To judge how the car is performing, the crew takes measurements of the car's speed S(t) (in miles per hour, or mph) every minute. The measurements are given in the table below. t (min) --- S(t) (mph 0...
April 23, 2016

life orientation
Human rights violation influence the community
April 23, 2016

AP Calculus
Consider a curve given implicitly by the equation (1+x)y^3 + (x^4)y - 85 = 0. A. Calculate dy/dx at a general point (x,y). B. Write the equation of the tangent line to the curve at the point (3,1). C. At (3,1), y(x) is defined implicitly as a function of x. Let g(x) be the ...
April 23, 2016

GEOMETRY HELP PLEASE
why is this in LaTex lol
April 23, 2016

chemistry lab
yeah sorry lol we made standards of solutions that were all diluted equally of 100 ppm, 10 ppm and 1 ppm solutions of Cl- and so we graphed that to get the cl- in a sample, which was the 9.8 ppm but that was in a diluted sample i guess? maybe it would be 50/100 dilution factor
April 23, 2016

chemistry lab
so i'm trying to finish my lab and im trying to solve for the concentration, and the lab handout says "remember all the cl- from the original sample ended up in 100 mL of solution" The concentration i solved for (from my graph) was 9.8 ppm Cl....how would i use a...
April 23, 2016

life orientation
Life,education and human dignity
April 23, 2016

life orientation
yes
April 23, 2016

life orientation
s ix suggestion on how to combat the human right violation
April 23, 2016

life orientation
Help guyz plz
April 23, 2016

Life orientation
Impact of corruption to individual is the poor individual is affected the most as corruption increase the cost public services.ir reduces poor people's access to housing,electricity, water,health care and documentation
April 23, 2016

Life orientation
Physical,social and economic consequence of the crime to the offender
April 23, 2016

Life orientation
lol be specific
April 23, 2016

Calculus
If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately: A. 2.5 B. -2.5 C. -2 D. 2 E. 1.25
April 23, 2016

life orientation
Why shld we answer a question given to you not us?
April 23, 2016

life orientation
are individuals empowered and do they understand their human rights or when their rights/the rights of others are being violated.provide five reasons for your analysis and standpoint.
April 23, 2016

Geography
Mexico’s maquiladora program has been a central feature of the U.S./Mexico border. This border stretches nearly 2,000 miles, from the Pacific Ocean in California to the Gulf of Mexico in Texas. Four U.S. states (Arizona, California, New Mexico, and Texas) and six Mexican ...
April 23, 2016

Calculus
The rate of decay is proportional to the mass for radioactive material. For a certain radioactive isotope, this rate of decay is given by the differential equation dm/dt = -.022m, where m is the mass of the isotope in mg and t is the time in years. A. If m(0)=20, write a ...
April 23, 2016

Calculus
The equation dy/dx = -6x^2/y gives the slope at any point on the graph of f(x). The range of f(x) is [0, infinity] and f(1) = 2. A. Find the equation of the tangent line to f(x) at the point (1,2). B. Write the function f(x). C. Determine the domain of the function f(x).
April 23, 2016

Economics
i need help too
April 23, 2016

Math
The one-dimensional displacement, s meters of a particle, after t seconds, is given by the function s=t(t-4)^2. (i) when does the particle have zero acceleration? (ii) where is the particle at this time and what is it doing?
April 23, 2016

L. O
do not let the medla know your views and your private stories
April 23, 2016

Computer science
How do I count how many arrays there is - what do I add to the code? I have managed to create 2 buttons and the top button works and changes the fruits into alphabetical order but the second button doesn't work - please help! <!DOCTYPE html> <html> <body>...
April 23, 2016

life orientation
I dont kown anything about t His help me plz
April 23, 2016

AP Chemistry
The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 642.3 torr at 64.7°C. What is the mole fraction of methanol in this solution?
April 22, 2016

math
The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 6, 5. a. What is the point estimate of the population mean?
April 22, 2016

Math
The intrinsic rate of increase (r) for northern elephant seals about 0.15 (per annum). We will assume that population regulation is linearly density dependent. a. If the carrying capacity of elephant seals at a recently recolonized island is 1000 adult females and the initial ...
April 22, 2016

Calculus Help
Evaluate lim x-->25 5 - square root x / x - 25 I don't get how the answer is -1/10
April 22, 2016

Math
The following equation has denominators that contain variables. for this equation write the value or values of the variable that make a denominator zero. these are the restrictions on the variable. keeping the restrictions in mind, solve the equation. 2/11x plus 1/4 equals 81/...
April 22, 2016

stats
A simple random sample of 30 items resulted in a sample mean of 15. The population standard deviation is σ = 8. Round your answers to two decimal places. a. What is the standard error of the mean, σx? b. At 95% confidence, what is the margin of error?
April 22, 2016

Calculus I
Awsome...thnx
April 22, 2016

L.O
identify 3 human rights violation or discriminations
April 22, 2016

Math
You do aops right? :)
April 22, 2016

chemistry
Disilane gas undergoes combustion to form solid silicon dioxide and water
April 22, 2016

history
The cities of New York, Baltimore, and Philadelphia began to become wealthy in the late-1600s because of what economic activity?
April 22, 2016

life orientation
answer only
April 22, 2016

cal
dy/dx=5x^2/8y^2
April 22, 2016

Geometry
A circle has a radius of 3 an arc in this circle has a central angle of 20 degrees what is the length of the arc
April 22, 2016

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