Ronald
Most popular questions and responses by Ronald
physics
A battery X of emf 6volt and internal resistance 2(ohms) is connected in series with a battery Y of emf 4volt and internal resistance 8(ohms) so that the two emf act to oppose each other, calculate the terminal P.D of X and Y
asked on March 12, 2019 
english
choose from these words: Cour,di,du, dom,fy,il and im, ish, magni, phob, pro, psycho The apartment the realtor showed us was (...ficent)______, but it was (...practical)_____for us. Not only was it too large, but it would also make an
asked on June 20, 2014 
Economics
The price elasticity of demand for senior citizens purchasing coffee from McDonald's is 5 while non senior citizens have a price elasticity of demand equal to 1.25. If is cost McDonald's $0.02 to produce a coffee, the optimal price for a cup of coffee
asked on March 20, 2012 
Calculus
Electricity is consumed between the hours of midnight (t = 0) and 6 a.m. (t = 6). Selected values of the rate of consumption are shown in the table below, with t measured in hours past midnight, and R(t) measured in KW per hour. Use 4 trapezoids to
asked on May 16, 2018 
algebra
The city commission wants to construct a new street that connects Main Street and North Boulevard as shown in the diagram. The construction cost has been estimated at $110 per linear foot.Find the estimated cost for constructing the street. (North Blvd. is
asked on November 21, 2013 
Math
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which license plates have one numeral followed by three letters followed by three numerals? (Round your answer to one decimal place.)
asked on June 12, 2013 
Economics
A local video store estimates their average customer's demand per year is Q = 7  2P, and knows the marginal cost of each rental is $0.5. How much should the store charge for each rental if it engages in optimal twopart pricing? Answer A. $0.35 B. $0.5.
asked on March 20, 2012 
statistics
(a) Plot the data on lightning deaths. (b) Describe the trend (if any) and discuss possible causes. (c) Fit an exponential trend to the data. Interpret the fitted equation. (d) Make a forecast for 2005, using a trend model of your choice (or a judgment
asked on March 15, 2012 
Math
Find the requested probability. P(Ā) if P(A) = 0.8 P(Ā) =
asked on June 12, 2013 
vy? in Physics
During what time interval does vy become zero? So I can't really understand what vy means, I know its a abbreviation but I need help on this problem that has a cannon shooting a cannonball horizontally and it has 3 points; the first being 1s, then 2s, then
asked on December 11, 2014 
Reading
Words to choose from: Charisma, Contemporary, contend, conversely, extrovert, poignant, prevalent, proponent, quest and traumatic (1)___(Contemporary)young people may be able to list the many accomplishments of the Rev. Dr. Martin Luther King, JR. They may
asked on June 20, 2014 
math
A debt of $6000 is to be amortized with 8 equal semiannual payments. If the interest rate is 5%, compounded semiannually, what is the size of each payment? (Round your answer to the nearest cent.)
asked on May 1, 2011 
Math
Choose a natural number between 1 and 100, inclusive. What is the probability that the number chosen is not a multiple of 4? (Enter the probability as a fraction.)
asked on June 12, 2013 
Managerial Economics
The demand for health club services is Q = 350 − 2P and the marginal cost of providing these services is MC = 110 + 2Q. If a twopart tariff pricing system is used, what is the optimal price and quantity combination? a.P = 52 and Q = 240 b.P = 199 and Q
asked on March 20, 2012 
2nd grade
what is the wrong verb in this sentence? One person done something wrong?
asked on February 17, 2010 
History
I am not very sure as to what I should say but I kind of have an Idea but I need some one to lend a hand putting it all together into a paragraph written answer not an essay, but it is worth 100 points, this help would be greatly appreciated! NOTE! I am
asked on January 7, 2016 
Trig
Solve each equation for exact solutions over the interval [0,360)where appropriate. Round approximate solutions to the nearest tenth degree. Sin^2Theta=Cos^2Theta+1 My Work: Using double angle Identity I subtract 1 to other side therefore:
asked on April 27, 2016 
Physics
A home run is hit such a way that the baseball just clears a wall 30 m high located 117 m from home plate. The ball is hit at an angle of 40 degrees to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 2 m above the
asked on September 19, 2011 
Algebra 2 Honors
I have a question on my math homework. The problem is: Suppose r varies jointly as s and t. If s = 20 when r = 140 and t = 5, find s when r = 7 and t = 2.5. I used r = kst. I plug in and get 140 = k(20)(5). I then multiply and get 140 = k(100). I then
asked on May 19, 2015 
Sociology (stats) help
Given the mean = $12 Standard deviation = $2.50 Suppose that a large state university graduate research assistants are paid by the hour. Data from the personnel office show the distribution of hourly wages paid to graduate students across the campus is
asked on October 8, 2014 
Economics
Two firms compete as a Stackelberg duopoly. The inverse market demand they face is P = 62  4.5Q. The cost function for each firm is C(Q) = 8Q. The outputs of the two firms are: A. QL = 48; QF = 24. B. QL = 35; QF = 6. C. QL = 6; QF = 3. D. None of the
asked on March 20, 2012 
12th grade
C6H8O7 + 3NaOH > NaC6H5O7 + 3H2O
asked on December 14, 2010 
Physics
A Canon shoots an artillery shell towards a target 4.54 km distant, where it lands at the same level it was shot. It was noted that the elapsed time of the projectile was 27.5 seconds. What was the muzzle velocity of the shell? (there is a picture showing
asked on October 8, 2015 
math
find the present value, using the present value formula and a calculator. (Round your answer to the nearest cent.) Achieve $225,500 at 8.35% compounded continuously for 8 years, 125 days.
asked on June 9, 2013 
Math
Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a commaseparated list. Enter EMPTY for the empty set.) {x  x is a multiple of 2} union {x is a multiple of 3}
asked on May 22, 2013 
statistics
he mean height of a certain kind of plant is 190 centimeters. Suppose we want to carry out a hypothesis test to see if the mean height when these plants are treated with a certain chemical differs from 190 . State the null hypothesis and the alternative
asked on March 6, 2012 
Physics
A daredevil is shot out of a cannon at 54 degrees to the horizontal with an initial speed of 33.3 m/s. A net is positioned a horizontal distance of 41.8 m from the cannon. At what height above the cannon should the net be placed in order to catch the
asked on September 19, 2011 
12th grade
C6H8O7 + 3NaOH > NaC6H5O7 + 3H2O
asked on December 14, 2010 
Business Management
Pick a team that you are currently a member of, a prior team in which you were a member, or search the Internet for an example of a reallife team. Be sure to choose one that meets these two criteria: (1) it’s not part of a forprofit business and (2)
asked on December 13, 2010 
Physics
Can someone please explain the method to solving the following electrostatics problem? Thank you very much. Consider three charged sheets, A,B, and C. The sheets are parallel with A above B above C. On each sheet there is a surface charge of uniform
asked on August 29, 2014 
Math
Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,200 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the
asked on June 8, 2013 
math
write the expression that can be used to find the area of a polygon made of triangles with an area of n square units each
asked on January 24, 2011 
Business Management
For this assignment, you are to create a Policy Manual for new managers. This manual should provide guidance to the new incoming managers, as they set up their respective departments. This manual should clearly lay out the expectations that you, as the
asked on August 21, 2008 
history
What ways did business leaders in the late 1800s try to eliminate competion? They weren't called Robber Barons for nothing. Please check your book for the ways that these business leaders charged lower prices than their competitors, paid lower wages, and
asked on November 4, 2006 
Government and Politics
Which of these is the president responsible for appointing? A. All ambassadors B. All county judges C. All state officials D. All civil servants I think that it is C. am I correct?
asked on October 13, 2016 
Math
If a wheel has a nail stuck in the tire, the tire is 60m in diameter and the wheel drove R 234(1,0) how far did the nail travel?
asked on January 27, 2013 
statistics
(a) Plot the data on lightning deaths. (b) Describe the trend (if any) and discuss possible causes. (c) Fit an exponential trend to the data. Interpret the fitted equation. (d) Make a forecast for 2005, using a trend model of your choice (or a judgment
asked on March 19, 2012 
Maths
9. consider the function y=e^x sin x where pie < x < pie find dy/dx which is e^x(cos x  sin x) show that at stationary points, tan x = 1.  I have done this part I don't understand this part: How do I do this: determine the coordinates of the
asked on November 8, 2010 
Maths
For the fixed point iteration method; rearranging method, how can I describe ho the iterative formula works?
asked on November 7, 2010 
chemistry
Someone please help me with these 2 problems!! I am going nuts! How many moles are there in 16grams of O2? What is the volume of 16 grams of O2 at Stp? Look up the atomic mass of oxygen on the periodic table. It is 16 grams but look it up so you will know
asked on November 11, 2006 
Accounting
The total assets of Capp Co. are $600,000 and its liabilities are equal to twothirds of its total assets. What is the amount of Capp Co.’s owner’s equity?
asked on January 11, 2014 
science
suppose you want to find out about boiling points of different liquids: describe how you could go about finding the information.
asked on August 21, 2012 
Economics
If a firm supplies separable markets with price elasticities h1 and h2, it should set prices P1 and P2 so that: a.P1 /h1 = P2 /h2 b.P1/(1  1 /h1) = P2 / (1  1/h2) c.P1(1 + 1/h1) = P2 (1 + 1/h2) d.P1 = 1  1/h1 and P2 = 1  1/h2 e.P1h1 = P2h2
asked on March 20, 2012 
statistics
A study of health care planning undertook a mail survey of hospital administrators in Arkansas, Louisiana, and east Texas. Research question: At á = .05, is the type of planning independent of the intensity of competition? (Data are from D. O. McKee, P.
asked on March 13, 2012 
calculus
I need to find the dy/dx of x^2ln(x^2)I tried to do it the way I thought, but it did not come out right.
asked on June 28, 2011 
science
if barium ions have a charge of 2= nd hydroxide ions have a charge of 1, the compound calcium is what?
asked on June 5, 2011 
Maths
dy/dx of tan x is sec^2 x is there another way of writing sec^2 x?
asked on November 8, 2010 
history of africa
how did geography help or hinder the process of migration from middle east to africa
asked on September 29, 2010 
Physics
Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an angle of 15 degrees. He pushes w/ a steady force of
asked on April 8, 2010 
Physics
A 2 kg block of ice is placed in a container at 0 °C. How much energy is required to completely melt the block of ice? (Specific latent heat of fusion for ice = 334 J/g.) A little confused as to what formula to use for this
asked on March 31, 2016 
science
the constant value for speed of light is 3x10to the 7 m/sec. what is the mass equivalent of 100000 Nm of energy
asked on December 4, 2014 
AIU
You are the lead human–computer interaction (HCI) engineer on a major defense project supporting the government and its integration of a new system and application design for use by federal investigators. Part of your job is to elicit and define the user
asked on March 25, 2012 
statistics
An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an 8year period (n = 423) with the following results, with
asked on March 15, 2012 
Geometry
2 root3 = square root of xsquared + 5x
asked on March 6, 2012 
science
if barium ions have a charge of 2= nd hydroxide ions have a charge of 1, the compound calcium is what?
asked on June 5, 2011 
English
When taking notes, include any supporting evidence, examples, and other information you found that will clarify difficult concepts. Vocabulary Strategy? Which words or word parts did you use?
asked on May 24, 2011 
science
a player used a hockey stick to increase the speed of a .200 kg hockey puck by 6 m/s in 2 seconds. how much force was exerted on the puck?
asked on May 23, 2011 
Psychology
Are there any book or websites that help me answer this question... Has Britains obsession with celebrity culture gone too far?
asked on November 8, 2010 
Physics
Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an angle of 15 degrees. He pushes w/ a steady force of
asked on April 8, 2010 
Physics
Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an angle of 15 degrees. He pushes w/ a steady force of
asked on April 8, 2010 
Business Management & Leadership
Your management team has been retained by a senior manager who is concerned about the effectiveness of his managers and their teams. He would like your team to develop a training guide on delegation. The training guide should be designed to improve the
asked on August 11, 2008 
business
You have recently been hired as a new manager hired into a failing division in a company. The product line is outdated and losing market share, interdepartmental communication is adversarial, and competition for corporate funding is fierce. How are you, a
asked on August 4, 2008 
English
Hey, can someone help me find 3 major quotes from Huckleberry Finn that shows lies that Huck said that were beneficial(to help someone).
asked on December 13, 2006 
Math
Pipes A & B can fill a storage tank in 8hours and 12 hours, respectively . With the tank empty ,pipe A was turned on at noon, and then pipe B was turned on at 1:30 P.M.At what time was the tank full. Please help me!! Let V be the tank volume. Pipe A fills
asked on December 5, 2006 
Math, Algebra II
Help would be great, it is for a "test" to see what we know, so it is not worth anything but I still would like to see if I can make changes to it before I submit it. :D 3.) Select the equation that has infinitely many real solutions. (these are all
asked on December 11, 2015 
Math
1/4y for y = 16
asked on July 18, 2015 
Abnormal psychology
How do the experiences of children who feel anxiety or depression compare to those of adults who feel anxiety or depression? Explain your answer.
asked on December 14, 2013 
psychology270
How do I show a presentation on Unipolar and Bipolar Depression?
asked on November 27, 2013 
science
how do I make a presentation?
asked on November 27, 2013 
Math
The amount to be financed on a new car is $9,500. The terms are 11% for 4 years. What is the monthly payment? (a) State the type. future value ordinary annuity present value amortization sinking fund (b) Answer the question. (Round your answer to the
asked on June 14, 2013 
psychology
Learning from animal responses 1930  1950
asked on May 4, 2013 
finance
Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $410 million. Since the primary asset of this business is real estate, Templeton’s management has determined that
asked on March 29, 2012 
statistics
An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an 8year period (n = 423) with the following results, with
asked on March 19, 2012 
statistics
In the following regression, X = total assets ($ billions), Y = total revenue ($ billions), and n = 64 large banks. (a) Write the fitted regression equation. (b) State the degrees of freedom for a twotailed test for zero slope, and use Appendix D to find
asked on March 15, 2012 
statistics
Choose either 2 ¡Á 2 contingency table shown below (males or females). Research question: At ¦Á = .005, is smoking independent of race? (Smoking rates are from Statistical Abstract of the United States, 2001, pp. 16 and 12, applied to hypothetical
asked on March 13, 2012 
mlk
how did jane goodall solve the problem of living alone in the jungle
asked on February 27, 2012 
science
if barium ions have a charge of 2= nd hydroxide ions have a charge of 1, the compound calcium is what?
asked on June 5, 2011 
physical science
how many beats in 206 Hz
asked on May 27, 2011 
MATHS
i NEED TO TURN (7X3)^1/3 INTO AN ITERVATIVE FORMULA USING THE NEWTON RAPHSON FORMULA? HOW DO I DO IT IN SIMPLE STEPS?
asked on October 10, 2010 
Calculus
A steamship sails upriver from A to B against a current of three km/h. If the amount of fuel consumed per hour varies as the cube of the speed through the water, how fast should the captain order the ship to steam, if the fuel consumption for the journey
asked on March 17, 2010 
Algebra
Any and all help would be greatly appreciated. I'm trying to help my niece and I'm afraid that it is not possible. The volume of a cubic container is x^3 cubic inches. The height of the container was decreased and the length was increased so that the
asked on November 30, 2009 
us history
How did religion influence the development of the British Colonies?
asked on October 7, 2009 
music
What is the musical structure (intro, verse etc) of the Beach boy's, woulnt it be nice? Thanks!
asked on March 16, 2009 
Politics
Can someone please tell me what the undecided states for the presidential election are? I know there are eight but I'm having difficulty finding which ones they are. Thank you so much!
asked on November 2, 2008 
History
I need to know Howards University endowments. This site is an article on the endowments at Howard.
asked on November 26, 2006 
science
During space flight, astronauts often refer to forces as multiples of the force of gravity on Earth's surface. What does a force of 5g mean to an astronaut? If Earth were twice as massive but remained the same size, what would happen to the value of g?
asked on October 28, 2006

physics
but i dont know how to solve it
posted on March 12, 2019 
physics
the answer is 5.6volts
posted on March 12, 2019 
Language Art
B C C
posted on November 2, 2018 
hcs 577
yes
posted on February 8, 2018 
Quantitative Methods
quiero resuelto
posted on December 5, 2017 
Physics  force and pressure
A.1,000N/m^2
posted on October 19, 2017 
physics
1500N
posted on May 19, 2017 
Physics
A nurse pushes a cart by exerting a force on the handle at a downward angle 33.5° below the horizontal. The loaded cart has a mass of 29.5 kg, and the force of friction is 58.0 N.
posted on February 12, 2017 
Social studies
it gave the seminoles an empowered stance against the united states
posted on November 2, 2016 
Government and Politics
Oh okay....then it would be A right?
posted on October 13, 2016 
AP World History
"Hey man you ok?" "Yea. harambe was only 17 wh..."
posted on September 27, 2016 
History,Maths Literacy,Geography &Life Science
I'm Ronald from Limpopo at tzaneen i was doing this subject at Bessie maake life science level 1.geography level 3.history level 4.English level3.math literary level 2 lo level4 sepedi level4.
posted on May 3, 2016 
Math "Need Help Asap"!
Distributive property: 6(4x)=24x 6(9)=54
posted on April 27, 2016 
Computer Science/Pseudo Code Python
menu driven code
posted on March 22, 2016