Friday
October 24, 2014

Posts by kim


Total # Posts: 2,130

physics
A bullet is fired horizontally from the top of a cliff which is 750 meters high and hits the ground at a horizontal distance of 1660 meters. (Consider air resistance to be negligible
September 11, 2012

physics
Find the magnitude and relative direction (e.g., NE, NW, SE, SW) of the velocity of an airplane relative to the earth, if the velocity of the airplane relative to the air is 165 km/hr. south to north and the wind velocity is 65 km/hr. at an 50o angle from east to west.
September 11, 2012

math
Jansen purchased a lot that was 121 feet in width and 360 feet in length. If he wants to build a fence around the entire lot, how many feet of fence does he need?
September 10, 2012

Business
Analyze and compare both data sets using the data analysis and biases concepts from Chapter 11 of Sekaran & Bougie (2010). Compare only those categories that you find are significant to your analysis in demonstrating whether the US demographics based promotions can or cannot ...
September 8, 2012

physical
a crate rest on a ramp that makes an angle of tangent with the horizontal.the coefficient of kinetic friction is 0.35 and the coefficient of static friction is 0.45.the inclination of the ramp is slowly increased.(a)find the angle at which the crate starts to slip down the ...
September 6, 2012

English
What are some of the assimilation and marginality in the story Studs Terkel by Stephen Cruz?
September 4, 2012

English
What are some of the assimilation and marginality in the story Studs Terkel by Stephen Cruz
September 4, 2012

improving vocabulary skills fourth edition
Chaper 23 page 126. What do i do
September 3, 2012

Math
bill and amy want to ride their bikes from thier neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster is Amy's average speed fro the entire trip?
September 2, 2012

Physics
A long jumper takes of at an angle of 20 degrees and a speed of 11.0 m/sec. The max height achieved is 0.722 meters an the max length is 7.94 meters. At what angle and speed would the jumper have to take off to get the same max length, but twice the max height?
August 31, 2012

biochemistry
A solution was prepared by dissolving 8.0g of solid ammonium sulfate (MW= 132.14, specific volume= 0.565ml/g) in 35ml (i.e 35g) of water. What is the final volume of the solution?
August 30, 2012

prinicples of management
Scenario: Assume you are the owner-driver of a truck, which transports vegetables overnight from the farmers in Florida to the markets in Atlanta. On the way back you haul whatever goods need transporting in the opposite direction. You have five employees in your office ...
August 25, 2012

biology
This is cheating! JUST LOOK AT THE NOTES THEY GIVE US! simple as that, trust me!
August 24, 2012

management
1A 2D 3B 4B 5C Would these answers be correct
August 22, 2012

management
1. Regarding management and leadership, which statement is most accurate? A. Leaders can be good managers, and good managers can be leaders. B. Leaders aren’t managers, and managers aren’t leaders. C. Leadership and management are entirely unrelated. D. Most ...
August 22, 2012

math
my present salary is $1,560.00. I was offered a new position at $8.60 per hour with 1 1/2 hrs pay for overtime after 40 hours of work per weeke. How man hours of overtime per week would I need to earn the $390.00 per week.
August 21, 2012

math
a square is made up of section a and section b. section a is 500 sq ft and section b is 1350 sq ft. what percent of the square is section a.
August 21, 2012

Intermediate Algebra
State the degree of the following polynomial: -2x4y + xy – y
August 19, 2012

health
Me too!
August 11, 2012

health
Actually the answer is B. Page 19: health(dot)gov/dietaryguidelines/dga2010/DietaryGuidelines2010(dot)pdf
July 28, 2012

Math
There are 6 pairs of black socks and 6 pairs of white socksWhat is the probability to pick a pair of black or white socks when 2 socks are selected randomly in darkness?M
July 27, 2012

healthcare management
œ Differences in communication processes used in crisis situations, including what you learned from the situations in the scenario and how you might incorporate that knowledge to improve health care communication strategies
July 26, 2012

math
what%is 234 of 450
July 26, 2012

STATISTICS(NEED HELP PLEASE?)
Consider the following set of data. (25, 6), (25, 51), (62, 34), (84, 15), (112, 57), (122, 14) (a) Calculate the covariance of the set of data. (Give your answer correct to two decimal places.) 40.17 (b) Calculate the standard deviation of the six x-values and the standard ...
July 25, 2012

math grade 12
2. An isotope of sodium has a half-life of 15 h. A sample of this isotope has a mass of 2 g. a. [2] Find the mass equation that remains after t hours. b. [1] Find the mass that remains after 5 hours, to the nearest hundredth. c. [2] How long, to the nearest hour, will the ...
July 24, 2012

math advanced functions
Canada’s Wonderland has a roller coaster named ‘Leviathan’. It boasts a maximum height of 93 m, 80⁰ drop, speeds of 148 kms and is 1673m long. At its maximum height Mr. Currie drops his gum from his mouth. The height of the gum can be given by the ...
July 23, 2012

Geometry
I don't know how to do this proof It is set up on a T chart In the figure below PQ = RS Prove PR=QS ______P________Q_____R________S______ Proof must be set up on a t chart starting with PQ=RS Given
July 22, 2012

unversity of phoenx
dicuss some positive steps you can take to manage debt. when managing personal debt, what methods have been most successufl for you?
July 20, 2012

Chemistry
A patient receives 3.0 ml of a solution containing technetium 99 for breast image. If the activity of the technetium 99 is 9.5 mCi/mL, what is the dose received by the patient?
July 20, 2012

Updated Math Question
The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true? A.The area of circle B is 9 times greater than the area of circle A. B.The area of circle A is 9 times greater than the area of circle B C.The area of circle B is...
July 18, 2012

Math
The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true?
July 18, 2012

Math 120
Graph the solution set to the inequality. 2x+3y>12
July 15, 2012

Math 120
If a force of 5 pounds stretches the spring 2 inches, find K. How far will 18 pounds stretch the spring
July 15, 2012

Math-120
If a force of 5 pounds stretches the spring 2 inches, Find K. How much force is necessary to stretch the spring 14 inches
July 15, 2012

Geometry
Write an equation of a line in slope intercept form that is parallel to y = 3x+6 and passes through the point (-10, 2.5). Do not use spaces and enter fractions as improper reduced fractions when needed.
July 12, 2012

geometry
Two rectangles are graphed on a coordinate plane, which number represents the scale used to enlarge Rectangle ABCD to Rectangle LMNO? Answer choices 1/2 1 and 1/2 2 4
July 7, 2012

math
Find the total investment and the interest earned when $2,500 is invested at 5% compounded semiannually for 3 years.
July 6, 2012

humanities
What are some of the ways in which modern culture is fatalistic in ancient greek sense
July 5, 2012

humanities
expressed values of a society
July 5, 2012

humanities
A brief story about a community that functions the way epics did in ancient cultures How does this story so? and what important things does it serve to ? explain?
July 5, 2012

biology
Both the description and the definition of ecology and its significance to you and the society
July 3, 2012

math
find mean median and mode of 68, 79, 72 88 and 96
June 23, 2012

Medical coding
Neoplasms are evaluated by a grading scale in a system called A. staging. B. malignancy. C. sequencing. D. morphology.
June 20, 2012

General Chemistry
A container holds 3 gases: oxygen, carbon dioxide, and helium. The partial pressure of the three gases are 2.00atm, 3.00atm, and 4.00atm, respectively. What is the total pressure inside the container?
June 20, 2012

General Chemistry
A gas is collected and found to fill 2.85L at 25.0 degrees Celsius. What will be its volume at standard temperature?
June 20, 2012

General Chemistry
A cylinder with a movable piston contains 2.00g of helium,He, at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was chanded from 2...
June 20, 2012

General Chemistry
A tank of oxygen is under a pressure of about 4.00 x 10^3 kPa. Express this pressure in millimeters of mercury.
June 20, 2012

General Chemistry
At STP, a 5.00L flask filled with air has a mass of 543.251g. The air in the flask is replaced with another gas and the mass of the flask is 566.107g. The density of air is 1.29g/L. What is the gas that replaced the air?
June 20, 2012

General Chemistry
A 230.0mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning the solution is 1.50M. What volume of solvent has evaporated from the 0.275 M solution? a)42.2 mL b)63.3 mL c)187.8 mL d)230 mL e)272.2 mL
June 20, 2012

General Chemistry
If a 14.05g sample of a gas occupies 10.0L at STP, what is the molar mass of the gas at 125 degrees Celsius?
June 20, 2012

General Chemistry
What volume of oxygen gas at STP is needed to react with 5.06 mol of C2H4, according to the following equation C2H4 + 3O2 ----> 2CO2 + 2H2O
June 20, 2012

Marketing
Compete the break even point in dollars. Selling price = $2.00, Variable cost = $1.00, Fixed cost = $150,000
June 20, 2012

help please :)
Jamal currently earns $20,000 a year in gross wages. On January 1, he is due to receive a 2% COLA. What will his gross income be after the COLA takes effect? A. $19,600 B. $20,100 C. $20,400 D. $24,000 i got C.
June 14, 2012

saving
i got D.
June 14, 2012

sa
i got b.
June 14, 2012

sa
Which one of the following budget items would probably be considered a fixed expense? A. Entertainment B. Savings C. Clothing D. Insurance premiums
June 14, 2012

Math
The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true? A.The area of circle B is 9 times greater than the area of circle A B.The area of circle A is 9 times greater than the area of circle B. C.The area of circle B is...
June 13, 2012

quadratic equations
6^2-8+41=
June 11, 2012

maths and statistics
A company manufactures a product. The total fixed costs are $75 and the variab cost per unity is $5. 1)find an expression for the total cost in terms of Q,the quantity produced
June 8, 2012

algebra ll
divide and simplify 5y-5/21 divided by y-1/33y
June 6, 2012

ACC 205
The cash balance in a company's general ledger and the bank's balance on the bank statement will generally be different because of the time lag in recording transactions. True or False
June 1, 2012

Chemistry
Why does scientist want to demostrate chemical bonding use models with colored balls to represent atoms. Balls arenot totally accurate. So why does scientist use them?
May 23, 2012

algebra ll
600(x^2+x+1) using the formula -b+/- sqrtb^-4ac/2a
May 22, 2012

algebrall
How do you solve 600x^2+600x+600=0
May 22, 2012

Physics
The appromiate mass of a comet X has been memasured. When comet X orbits the Sun 5000 years later it only has half it's previous mass. Approximately how many orbits of the Sun has the comet completed and what is the period of the comets orbit?
May 17, 2012

Criminal justice
You have read about many of the important players in the criminal justice process: judges, prosecutors, jury, etc. Which do you think are the most important and why? You don’t have to rank them, but explain who you believe would be in your top 3 and why.
May 16, 2012

Accounting
Prepare the income statement of Draper Consulting for the month ended Deceomber 31, 2012
May 15, 2012

Physics
A ball of mass 0.202 kg has a velocity of 1.54 m/s right; a ball of mass 0.298 kg has a velocity of 0.410 m/s left. They meet in a head-on elastic collision.
May 14, 2012

science
Patterns of punctuated equilibrium have been observed in some cases, but the debate between punctuated equilibrium and phyletic gradualism continues and provides interesting areas of research. Based on your research into the scientific process, what evidence do we see today ...
May 11, 2012

Math
Sam had 900 base ball cards and Tim has one- ninth as many. How many cards does Tim have?
May 8, 2012

literature
Tale of two cities Examine the theme of resurrection in the novel. Which characters are brought back to life and how? Is there any situation from which resurrection is impossible?
May 6, 2012

marketing
You have been approached by the makers of the Holo-Generator. The Holo-Generator is an innovative product that fits in the palm of your hand and plays three-dimensional music videos through sound and holographic images. This product has not yet been developed. The executive ...
May 5, 2012

algebra
how do you solve this rational equation s+4/su^2 + 6s+4/s^2u
May 4, 2012

math
Suppose that you are responsible for predicting the cost of constructing a new office building. You find that the first story costs 500 dollars per square meter of floor space, and the second story costs 600 dollars per square meter. Assume that the costs per square meter form...
May 4, 2012

Statistics
The serum cholesterol levels in men aged 18 to 24 are normally distributed with a mean of 178.1 and a standard deviation of 40.7. A group of 9 men aged 18 to 24 randomly selected. 1. Find the probability that there are at least 2 men in the group whose serum cholesterol level ...
May 3, 2012

Statistics
Assume X~N(1.2, 1.3). Find P(0.26<|X|<1.68)?
May 3, 2012

Calculus
An important problem in mathematics is that of root finding: that is, given a function f (x), finding any roots of f in an interval. Exact methods exist for many functions: • In the case of a linear function f (x) = ax + b, this is easy. – If a ≠ 0, then x = &#...
May 3, 2012

calculus
find the volume of the region bounded by y=e^x, y=2, and the y axis
May 1, 2012

Calculus
the drop in blood pressure of a typical patient who is given a certain medication is given by F(x)=0.028x^2(19-x) where x is the amount of medication in cubic centimeters. What is the maximum drop in blood pressure for this patient?
May 1, 2012

calculus
find to the nearest integer the value of C that satisfies (y-6)dy=(x+4)/(y-3)dx, y(-1/12)=2
May 1, 2012

chemistry
What is the molarity of each kind of ion in a solution of magnesium chloride that contains 86.0 g of magnesium chloride dissolved in enough water to make 2.37 L of solution? M Mg2+ M Cl-
May 1, 2012

chemistry
Most community water supplies have 0.50 ppm of chlorine added for purification. What mass of chlorine must be added to 129.0 L of water to achieve this level?
May 1, 2012

History
does anybody have all the correct answer to the age of discovery to the american experiment please
May 1, 2012

Cultural Anthropology
what is Factory industrialism?
April 29, 2012

Cultural
Dependency theory refers to what?
April 29, 2012

Probability and Statistics 2
Minute Maid orange juice company claims that 25% or more of all orange juice drinkers prefer its product. To try to disprove the validity of this claim, Tropicana orange juice company sample 200 orange juice drinkers and found that 41 prefer the Minute Maid brand. At a=0.5 ...
April 29, 2012

Probability and Statistics 2
The University of Southern Mississippi currently uses GE brad fluorescent light bulbs that have a mean life of 900 hours. Sylvania clams that its new fluorescent bulbs, that cost the same as the GE bulbs, last longer than the GE brand. A sample of 50 Sylvania bulbs produces a ...
April 29, 2012

Probability and Statistics 2
The University of Southern Mississippi currently uses GE brad fluorescent light bulbs that have a mean life of 900 hours. Sylvania clams that its new fluorescent bulbs, that cost the same as the GE bulbs, last longer than the GE brand. A sample of 50 Sylvania bulbs produces a ...
April 29, 2012

Probability and Statistics 2
The numbers below represents heights (in feet) of 3-year old elm trees, where leaves represent fractional parts of each value. Stems Leaves 5 1,8 6 1,2,4,7,8,9 7 0,2,3,3,4,5 8 1,1,2,3,5,6,6,7,7,9,9 9 0,1,3,4 a) Find the five number summary for the given set of data. b) Produce...
April 29, 2012

ALGEBRA
r = 21.75%=0.2175 n = 1 t = 15 P = 695 A = P*(1+r/n)^n*t=695(1+0.2175/1)^15 A = $13305.14
April 29, 2012

algebra
T(bike)= 3/4hour= 0.75hour T(bus)1/4hour=0.25 hour R(bus)=R(bike)+20 Since D = R*T, then we have the equation T(bus)*(R(bike)+20)=T(bike)*R(bike) 0.25*R(bike)+ 5 =0.75*R(bike) Thus, R(bike)=10mph R(bus)= 10+20= 30mph D = 10*0.75= 7.5 miles or D = 30*0.25= 7.5 mies
April 29, 2012

Probability and Statistics
The major would like to estimate the mean number of automobile crashes per day at the intersection of 2 highways. A random sample of 40 days worth of data had a mean of 4.3 crashes and a standard deviation of 0.9. How large of a sample would be needed in order to produce a 95...
April 29, 2012

Probability and Statistics
The PGA would like to test to see if there is any difference in the distance produced by Titleist and Maxfli brand golf balls. A sample of 36 Titleist golf balls produced x1bar = 292ft, s1=16ft, while a sample of 48 Maxfli golf balls produced x2bar = 281ft, s2 20ft. Find a 90...
April 29, 2012

Probability and Statistics
The school superintendent would like to estimate the proportion of adults in the country that are in favor of an increased emphasis on the basics of education. A randomly selected sample of 150 adults found that 107 of them would favor an increased emphasis on basics of ...
April 29, 2012

Probability and Statistics
The ACT scores of applicants to college are approximately normally distributed with a mean of 20.3 and a standard deviation of 3.1. If a random sample of 20 applicants to college is chosen find the probability that their average ACT score will be 19 and 21.
April 29, 2012

Probability and Statistics 2
Bad Wheels Tire Company is interested in estimating the proportion of defective tires that it produces. The company tested a sample of 500 tires and found 16 to be defective. Find a 99% upper bound confidence interval for the true proportion of defective tires produced by the ...
April 29, 2012

probability and statistics
An electrical firm manufactures light bulbs that have a usuable life that is normally distributed with a mean of 1000 hours and a standard deviation of 80 hours. Find the probability that a package of 4 bulbs would last at least 4400 hours.
April 29, 2012

Probability and Statistics
A research psychologist believes that professional athletes tend to be more confident than the typical person. From previous testing, he knows that the scores for people in the general population are approximately normally distributed with a mean of 72 and standard deviation ...
April 29, 2012

precalculus
a rectangular piece of cardboard measuring 14 inches by 27 inches is to be made into a box with an open top by cutting squares of equal size from each corner and golding up the sides . let x represent the length of a side of each square. for what value of x will the volume be ...
April 29, 2012

python programming
Explain in python programming (x^n-1)/(x-1) = x^(n-1)+x^(n-2)+...+x+1
April 29, 2012

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