Friday
May 22, 2015

Posts by George


Total # Posts: 913

math
-23 yes
February 16, 2011

math
it says i got it wrong
February 16, 2011

math
so far i have. 32x + 64 + x = -x + 9 +x
February 16, 2011

math
8(-4+8)=11-(x+2)
February 16, 2011

Physics
A 14.0 ohm resistor is made from a coil of copper wire whose total mass is 23.0 g. What is the diameter of the wire, and how long is it?
February 6, 2011

Decision Analysis
Kunfu Company is planning to build a new manufacturing and distribution facility in TT, KK, SS, CC or AA. The company has estimated the facility cost in each country will vary depending on the economic conditions prevailing. The table below provides the cost under three ...
February 6, 2011

Quantitative analysis
3. A service station owner sells Firm-on-the-road tyres which are ordered from a local tyre distributor. The distributor receives tyres from two plants, A and B. When the owner of the service station receives an order from the distributor, there is a 0.5 probability that the ...
February 6, 2011

geometry
x=4
January 4, 2011

related rate problem
A railroad track and a road cross at a right angle. An observer stands on the road 70 meters south of the crossing and watches an eastbound train traveling at 60 meters per second. At how many meters per second is the train moving away from the observer 4 seconds after it ...
December 31, 2010

calculus
72
December 30, 2010

math
The half life of iodine - 131 is 8 days. How long will it take for 7/8 of the sample to decay?
December 29, 2010

physics
I had completed the problem correctly until when finding I for a solid disk I used 1/4 instead of 1/2. Thank you
December 19, 2010

physics
A solid disk pulley of mass 2.00 kg and a radius of 30.0 cm is rotated by a block mass of 0.500 kg falling from rest, a distance of 4.00 m. What is the mass's acceleration and how much time elapses during its fall?
December 19, 2010

Physics
The question is worded incorrectly. So to further explain: there are two inclines, the bottom ends of both inclines are touching, so that as the ball rolls to the bottom of the first incline, it immediately begins to rise up the second incline. You are supposed to assume that ...
December 19, 2010

Physics
A solid sphere at rest at the top 12.0 m inclined plane rolls down the incline. How high vertically does it rise of the other incline?
December 19, 2010

Physics
Can someone help me get started on this problem? A launcher fires a projectile with a velocity of 6.31m/s. Determine the horizontal distance of the projectile (in the air) at 5 degrees. Recalculate this distance at 10, 15, 20.... (5 degree increments) up to 90 degrees (at ...
December 19, 2010

Physics
A super-hero is leaping from the roof of one building onto another. The first building is 120 meters high and the second building is 80 meters high. The horizontal velocity of the super-hero is 12.0 m/s. What is the maximum possible distance between buildings that the hero can...
December 18, 2010

Physics
A launcher fires a projectile with a velocity of 6.31m/s. Determine the horizontal distance of the projectile (in the air) at 5 degrees. Recalculate this distance at 10, 15, 20.... (5 degree increments) up to 90 degrees (at which point the horizontal distance will be zero). ...
December 18, 2010

Physics
You are the physics expert for a professional stuntman. The stunt you have designed includes a ramp that is angled at 30°. You expect that the stuntman will be traveling at 18.0 m/s when he leaves the ramp. How far must the landing ramp be positioned, and what is the ...
December 18, 2010

Physics
A launcher fires a projectile with a velocity of 6.31m/s. Determine the horizontal distance of the projectile (in the air) at 5 degrees. Recalculate this distance at 10, 15, 20.... (5 degree increments) up to 90 degrees (at which point the horizontal distance will be zero). ...
December 18, 2010

Physics
A bomber is flying at a velocity of 200.0 km/hr with an altitude of 1.5 km. How far (horizontally) from its intended target should the plane drop the bomb?
December 18, 2010

Physics
A super-hero is leaping from the roof of one building onto another. The first building is 120 meters high and the second building is 80 meters high. The horizontal velocity of the super-hero is 12.0 m/s. What is the maximum possible distance between buildings that the hero can...
December 18, 2010

Physics
A catapult throws a projectile at a 40.0° angle with a velocity of 26.0 m/s. How high will the projectile reach, and how far away will the projectile land?
December 18, 2010

Math
if you were listening in class you would know!!!!
December 2, 2010

geometry
i think in order to answer we need to know how these triangles are related. are they congruent?
November 30, 2010

chem
ok i see thanks
November 30, 2010

math
and sorry but how does it becom 1/5 i thought it would be 16/5 * 5/1
November 29, 2010

math
so when you * fractions you * both buttom and top all the time? and thank you
November 29, 2010

math
16over5 / 5 can you explan to me
November 29, 2010

chemistry
Rank the relative nucleophilicity of the indicated species in ethanol. CH3COOH CH3OH CH3COO- CH3S- CH3O- THANK YOU!
November 27, 2010

Math Financa
Stock in Country Road Industries has a beta of 0.8940. The market risk premium is 8.7 percent, and T-bills are currently yielding 4.8 percent. The company's most recent dividend was $1.8 per share, and dividends are expected to grow at a 5 percent annual rate indefinitely...
November 26, 2010

Biology
What are the conditions that should be kept constant when we are growing seeds? ex. The place of plant and etc?
November 24, 2010

Computer Programing & Logic Design
Design a flowchart using Visual Logic for the following: 1.A program that accepts a candy name (for example, “ chocolate-covered blueberries”), price per pound, and number of pounds sold in the average month, and displays the item’s data only if it is a best-...
November 20, 2010

chemistry
what state is sulfur dioxide in at 200 k Pa and -100 Celsius
November 18, 2010

Downsizing and Fixed Costs
Industry downsizing has been a major part of the corporate world, even government agencies are downsizing. GovernmentExecutive website "covers the business of the federal government and its huge departments and agencies - dozens of which dwarf the largest institutions in ...
November 18, 2010

Direct Labor: Variable or Fixed Cost?
Throughout the corporate world, businesses are transforming labor into a more flexible (and variable) cost. Among such companies are Hewlett-Packard, General Electric, DuPont, Sun Microsystems, and British Airways. Discuss whether direct labor is a fixed or a variable cost. ...
November 18, 2010

physics
What is the pressure acting on your body if you dive down to a depth of 3.4 m?
November 16, 2010

physics
i think the answer is deficate in my mouth
November 16, 2010

Physics
vertical drop S = ut+(1/2)gt² = 0 + (1/2)(9.8)*(3.1)^2 =47.089s How far from base 1.2m/s * 3.1s = 3.72m
November 14, 2010

trig
let sin theta = -7/25 with theta in QIV find sec (2theta)
November 11, 2010

adult education
Briefly describe the cookie production process. 2. What are two ways that the company has increased productivity? Why did increasing the length of the ovens result in a faster output? 3. Do you think that the company is making the right decision by not automating the packing ...
November 8, 2010

chemistry
Oh I see you answered that, So , it is incorrect to add 2H to balance H2 in a basic solution... ? Although all the first steps are the same as used in acidic solution?
November 4, 2010

chemistry
my question is about whether I have to add water or just H to firstly balance the second half reaction either 2e+2H2O--->H2+2OH OR 2e+2H-->H2 which one is correct for a basic solution reaction ? thanks a lot
November 4, 2010

chemistry
In the REDOX reaction in basic solution Zn-->Zn(OH)4+H2 I know that the first half reaction is 4H20+Zn-->Zn(OH)4 +4H+e but the second one is either 2e+2H2O--->H2+2OH (WHICH IS THE ANSWER GIVEN ON THE WORKSHEET) OR 2e+2H-->H2 I think both leads to the same answer= ...
November 4, 2010

algebra
28=2h-18
November 2, 2010

math
*-2 +1
November 2, 2010

algebra
Can someone please help-I need to do this today. All I need is the method and answer.
November 2, 2010

algebra
Ans also I got this far for the first part's method 4x^2-7x+3= 4x^2-3x-4x+3= x(4x-3)-1(4x+3) but there is nothing similar-how did you get (4x-3) for both of them.
November 2, 2010

algebra
Thanks,can you tell me the answer to the second one.
November 2, 2010

algebra
Factorise 4x^2-7x+3= and 6x^2+10x-5= Thanks Method would be good-as I am stuck.
November 2, 2010

Physics
What is the force necessary to accelerate an object with a mass of 115 kg and and an acceleration of 6 m/s2 (squared) east?
November 2, 2010

Maths
Differentiate: y = In ( (x+3) / (x^2) )
October 31, 2010

Science HELP!
If a balloon is filled with helium gas of molar mass 4x10^-3, at a pressure of 1*10^5, What is the number of moles of gas in the balloon?
October 27, 2010

french
The le/la has to come after the conjugated verb and before the verb in the infinitive eg. 1) Je veux le voir If there is one verb then it goes between the pronoun and the verb (which u have done)
October 27, 2010

Physics
If a balloon is filled with helium gas of molar mass 4x10^-3, at a pressure of 1*10^5, What is the number of moles of gas in the balloon?
October 27, 2010

precal
find all values of x such that sin(sin(x))=1
October 26, 2010

12th grade
thats wrong bob it doesn't work.
October 20, 2010

physics 11
A 80KG hockey player has a coefficient of friction u=0.08 between her skates and ice. What is the force of friction on the player? 0.08(80 x 9.8) =62.7N If the hockey player is coasting, what is the net force?
October 19, 2010

calculus
find dq/dp.q=(5p^2+2p)-3/2 use impliict differentiation to find dq/dp
October 17, 2010

Science
WhT'S THE ANSWER?
October 12, 2010

Chemistry
Rank the following Bronsted acids from strongest to weakest: H-SH H-CH3 H-NH2 H-F H-I
October 10, 2010

Physics
the answer is shake your money maker
October 5, 2010

Physics
A long jumper leaves the ground at an angle of 20 degrees and travels a horizontal distanceof 7.0m before landing. What is the takeoff speed of the jumper? To be honest I really don't know how to solve it. A step-by-step explantion would be helpful.
October 5, 2010

Calculus
I don't understand this question. Q. In the theory of relativity, the mass of a particle with velocity "v" is m = mo/√(1-v2/c2) where mo is the mass of the particle at rest and "c" is the speed of light. What happends as v-->c-? Thank You!
October 5, 2010

physics
___ _ _ _ ____ | | |\/| |___ ... | | | | |___ ,' '. ___ ____ ; ; | | | | | | |__| | | _ _ _ ____ ____ _ _ | _, ,_ | | | | | | |__/ |_/ '´ | | `' |_|_| |__| | \ | \_ | | _ _ | | .|_|_,' | ,--. | | | | : | | | `|`'`-._...
October 1, 2010

Physics
Thanks!
September 20, 2010

Physics
In moving a 35.0 kg desk from one side of a classroom to the other, a professor finds that a horizontal force of 300 N is necessary to set the desk in motion, and a force of 185 N is necessary to keep it in motion at a constant speed. (a) What is the coefficient of static ...
September 20, 2010

math
7135
September 16, 2010

calculus
What analytic method steps are required to find the limit of cos x-1/2x^2 ? Limit greater than 0. Estimating -0.25 but stalled ....
September 9, 2010

calculus
What analytic method steps are required to find the limit of cos x-1/2x^2 ? Limit greater than 0. Estimating -0.25 but stalled ....
September 9, 2010

algebra
Solve algebraically and check x^2 + 4y^2 = 4 x = 2y - 2
September 6, 2010

Physics (Circular Motion!!)
Thank you for trying to help, but that is what i've been getting and my homework website tells me it is wrong. But now its two on one so i'm starting to think that the website is wrong
September 2, 2010

Physics (Circular Motion!!)
Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 30.0 s to speed up from rest to its top speed of 1 rotation every 1.10 s. the astronaut is strapped into a seat 7.40 m from the axis. A) What is the astronaut's tangential ...
September 2, 2010

Physics
Help! I've been trying to understand this question for quite some time now and every attempt i make at it i get the wrong answer. maybe i'm just pluging the numbers into the equations wrong, but i always get the wrong answers. if someone can just breakdown the steps ...
September 2, 2010

math
I feel i may have stepped on some toes. I am sorry for that. I am not the most intelligent person in the world and I sincerly appoligize.
September 2, 2010

math
the best way to go about this question is trial and error. if he worked 7 hours and made 39.50, then if he works 3 hours painting the fence, and 4 hours mowing the grass then he makes 39.50. i'm sure you can make equations for it but it's much quicker and easier to go ...
September 2, 2010

Social Studies
10. The principle of self-government emphasizes majority rule whereas the principle of liberty emphasizes individual rights. These principles a. are universal and are the foundation of all legitimate governments. b. have no real meaning in practice. c. have the same meaning ...
August 22, 2010

Math word problems
To determine the number of deer in a game preserve, a conservationist catches 428 deer, tags them and lets them loose. Later 644 deer are caught.161 of them are tagged. How many deer are in the preserve?
August 3, 2010

Math
3/w+1 + 2/3w= ? would the answer be 5/4w+1
August 3, 2010

chemistry
you are right....I wrote it wrong. Does this mean that the solution will be more toward the redish side?
July 18, 2010

chemistry
you are right....I wrote it wrong. Does this mean that the solution will be more toward the redish side?
July 18, 2010

chemistry
in my text book it says that if the calculated value is less than or equal to 0.1 then the color of the conjugate base (In- in this case) predominates. does this mean that the solution will be yellow then?
July 18, 2010

chemistry
The initial state of a reaction is A2 +B2 –> 2AB. In the initial state of the reaction there are 6 A2’s present and 6 B2’s present. Suppose the reaction is carried out at two temperatures.Which of these situations represents the result at the higher ...
July 18, 2010

chemistry
in my text book it says that if the calculated value is less than or equal to 0.1 then the color of the conjugate base (In- in this case) predominates. does this mean that the solution will be yellow then?
July 18, 2010

chemistry
Is it because it is more acidic?
July 18, 2010

chemistry
would it be orange?
July 18, 2010

chemistry
The ionization constant Ka of an indicator HIn is 1.0x10^-6. The color of the nonionized form is red and that of the ionized form is yellow. What is the color of this indicator in a solution whose pH is 4.00? Thanks!
July 18, 2010

chemistry
Thank You!
July 17, 2010

chemistry
Which of the following has the greatest buffer capacity? There are three separate problems below. 1. 0.40 M CH3COONa / 0.20 M CH3COOH 2. 0.40 M CH3COONa / 0.60 M CH3COOH 3. 0.30 M CH3COONa / 0.60 M CH3COOH Thanks!
July 17, 2010

chemistry (WEBWORK)
a. vi,v b.iii c.iv d.ii e.i
July 17, 2010

Physics
This is WRONG. Did not multiply the 2pi by 3. You just did 2pi
July 17, 2010

Economics - Please Help
1 3
July 6, 2010

marketing
• The goal of integrated marketing communication (IMC) is to produce a unified promotional message that has the customer as its focus. All promotional activity, such Draft a 200- to 300-word response answering the following questions: o How does an organization establish ...
June 22, 2010

Calculus
Calculus Limit Problem: Evaluate the function at the given numbers (correct to six decimal places). Use the results to guess the value of the limit, or explain why it does not exist. f(x)=cosx-1/sinx x=1, .5, .4, .3, .2, .1, .05, .01 What should I do? A table of values??
June 22, 2010

marketing
Select a product or service you would like to introduce to the marketplace. It may be from an existing company or a new concept. Prepare a 1,750- to 2,100-word marketing plan for your selected product or service. Include the following elements: A brief description of the ...
June 17, 2010

math
how many 2x2 tiles to fill a room 85 x18?
June 16, 2010

chemistry
3. What is the ka for a solution of choloracetic acid (C2H5ClO2) which has a pH of 1.52 in a 0.112M solution? Please reply me as soon as possible sir Thank you George.
June 15, 2010

college
Writing errors, such as those identified in the readings for this week, may influence the way a reader interprets your writing. A résumé that is marred by grammatical errors, for example, may prevent a job candidate from progressing to the interview stage. Do you...
June 9, 2010

CHEMISTRRY
what is the molarity of an H2SO4 solution if 49.0 ml is completely titrated by 68.4ml of an NaOH solution whose concentration is 0.333 M?
June 8, 2010

Math
Find the simple interest. Round your answer to the nearest cent. Principal = $900 Rate = 4% Time in years = 3
May 29, 2010

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