Wednesday
September 3, 2014

Posts by Chuck


Total # Posts: 105

physics
Soccer player #1 is 7.31 m from the goal, as the figure shows. If she kicks the ball directly into the net, the ball has a displacement labeled . If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball undergoes two successive ...
May 15, 2014

physics
Soccer player #1 is 7.31 m from the goal, as the figure shows. If she kicks the ball directly into the net, the ball has a displacement labeled . If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball undergoes two successive ...
May 15, 2014

math
can you show me the steps required to get the answer to 3-6x+8x=9
February 25, 2014

math
3-6x+8x=9
February 25, 2014

Math
How much low fat milk(1%) and whole milk(4%) should be mixed to make 5 gallons of reduced fat milk (2%)?
October 20, 2013

physics
A 5000kg truck is being pulled up a 15 degree ramp by a cable which is parallel to the surface of the ramp. If the coefficient of friction u between the wheels of the truck and the ramp is 0.100 and the truck is being pulled at a constant velocity, calculate the tension in ...
October 19, 2013

physics
A 5000kg truck is being pulled up a 15 degree ramp by a cable which is parallel to the surface of the ramp. If the coefficient of friction u between the wheels of the truck and the ramp is 0.100 and the truck is being pulled at a constant velocity, calculate the tension in ...
October 19, 2013

Math
Find the rate in mph of someone who drove 12 miles in 45 minutes
October 1, 2013

Probability
How many different committees can be formed from 5 professors, and 15 students. If each committee is made up of 2 professors, and 10 students.
July 29, 2013

Economics
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the original equilibrium level (before the increase in the taxes) in the money market?
April 23, 2013

Economics
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the original equilibrium level (before the increase in the taxes) in the money market?
April 23, 2013

Economics
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the original equilibrium level (before the increase in the taxes) in the money market?
April 23, 2013

Economics
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the original equilibrium level (before the increase in the taxes) in the money market?
April 23, 2013

Economics
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the original equilibrium level (before the increase in the taxes) in the money market?
April 23, 2013

Economics
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the original equilibrium level (before the increase in the taxes) in the money market?
April 23, 2013

college Mathematics
f(x)= X2- 6x - 8
April 8, 2013

Chemistry
A swimming pool, 20.0 m 12.5 m, is filled with water to a depth of 3.73 m. If the initial temperature of the water is 18.5°C, how much heat must be added to the water to raise its temperature to 28.5°C? Assume that the density of water is 1.000 g/mL.
March 27, 2013

statistics
Your program has an RDT&E-funded project scheduled to start in July 2005 which is expected to take 12 months to complete. The project is expected to cost a total of $12 million (then-year dollars), with cost expected to be incurred at a rate of $1 million per month. The ...
March 21, 2013

statistics
The program plans to acquire a total of 600 end items costing $570 million over a five-year period. The first production contract is to be awarded in FY04. The number of items to be procured (not delivered) each year and their estimated cost (in then-year dollars) is shown ...
March 20, 2013

math
Your program has an RDT&E-funded project scheduled to start in July 2005 which is expected to take 12 months to complete. The project is expected to cost a total of $12 million (then-year dollars), with cost expected to be incurred at a rate of $1 million per month. The ...
March 20, 2013

MATH
The life cycle cost of the BLUEBIRD system is $600 million. The program acquisition cost is $400 million and the development cost is $150 million. There are no facilities costs. What is the procurement cost of the BLUEBIRD system? $200 million $150 million $250 million $100 ...
March 18, 2013

Algebra
Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 236 miles in the same time that Dana travels 224 miles. If Chuck’s rate of travel is 3 mph more than Dana’s, and they travel the same length of time, at what speed does Chuck travel?
March 5, 2013

Algebra
A store mixes Kenyan coffee worth $11 per kilogram and Turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 348-kilogram mixture. How many kilograms of the Kenyan coffee should be in the mixture?
March 5, 2013

algebra
Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 236 miles in the same time that Dana travels 224 miles. If Chucks rate of travel is 3 mph more than Danas, and they travel the same length of time, at what speed does Chuck travel?
March 5, 2013

college chemistry
how to make a 1:8 dilution of chemical Y. You have 350 mililiters of chemical Y. how much diluent do you need?
February 21, 2013

MATH&&HELP
What is the PROCUREMENT cost of this system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). 800 ...
February 16, 2013

Math
1/2-1/8 WRITE THE ANSWER IN SIMPLEST FORM
February 6, 2013

Math
Are there more rational or irrational numbers? I am thinking irrational, because the product of a rational and irrational number is irrational. Is this enough of a reason to prove it?
January 28, 2013

Discreet Mathematics
Part I: Suppose you are developing a statistical database in which information about professional football teams and records are stored. Consider the following 2 sets of data that list football teams and quarterbacks: D = {Jets, Giants, Cowboys, 49’ers, Patriots, Rams, ...
October 20, 2012

stats
assume that 7 horses are owned by 7 different owners and the other 4 are owned by the same person
September 20, 2012

stats
that is the only information given
September 20, 2012

stats
a horse race has 11 entries, assuming that their are no ties what is the probability that four horses owned by one person finish first second third and fourth
September 20, 2012

chem
.You have an ice cube that is 150 g and is at a temperature of 0°C. You drop the ice into water that is initially at 15ºC and the ice melts. As a result, the water cools of by exactly 1ºC to become 14ºC. How much water was there? In other words, what mass of...
September 12, 2012

automotive repair
19. In a cylinder block, the opening that the valve head rests in is called the valve A. margin. C. stem. B. seat. D. guide.
July 25, 2012

statistics
If the city spends $145,000 on promotional expenditures, what will be the projected attendance at 95% confidence level? how to calculate this using excel?
June 1, 2012

Differential Equations
The boundary value problem Ty"+ ρ(ω^2)y' = 0 , y(0) = 0, y(L) = 0 is the model of the shape Of a rotating string. Suppose T and ρ are constants. Find the critical angular speed ω = ωn for which there is non-trivial solutions.
April 22, 2012

Differential Equations
Find the charge on the capacitor in an LRC series at t = 0.02 sec when L = 0.05 h, R = 2 Ohm, C = 0.01 farad. The initial conditions are q(0) = 5 C, i(0) = 0 Ampere. Determine the firt time at which the charge on the capacitor is equal to zero. Also, find the current at any ...
April 22, 2012

Differential Equations
Find the eigenvalues and eigenfunction for the BVP: y ' ' '+ λ2 y ' = 0 , y(0) = 0, y’(0) = 0 and y’(L) = 0
April 22, 2012

Geometry
a soccer goal is 24 feet wide. point a is 40 feet in front of the center of the goal. point b is 40 feet in front of the right goal post. from which point would you have a better chance of scoring a goal?
April 10, 2012

Math 11
An investment earning simple interest at a rate of 1.10% per annum for a term of 5 years earned $82.50 in interest. What was the principal?
April 9, 2012

Algebra
What do you call it when somebody spends 20 years in the 24th row of a theater
March 28, 2012

science
The half-life of carbon 14 is 5730 years. if a 1 g sample of old carbon is 1/8 as radioactive as 1 g of a current sample, then the age of the old sample is about ___________years. 22,900 17,200 11,500 716
March 5, 2012

physics
A person pushes a 10.0 kg lawn mower at constant speed with a force of 70.0 N directed along the handle, which is at an angle of è = 46.0° to the horizontal
October 29, 2011

algebra
I NEED HELP SOLVING THIS PROBLEM ,PLEASE EXPLAIN AND SHOW HOW TO SOLVE the answer ."I HAVE 63 LITERS OF HYDROGEN PEROXIDE, HOW MANY TEST TUBES CAN I FILL IF EACH CONTAINED 7/8 OF A LITER?" PLEASE SHOW ME YOUR WORK. AND THANK YOU IN ADVANCED.
October 11, 2011

homework
ranslate the following situation into an inequality. Do not solve. “Charlie would like to pack one less outfit than Jane for their trip. Loretta would like to bring five outfits less than twice what Jane packs. Due to space in the suitcase, they are limited to a total of ...
August 30, 2011

algebra
x+1=7
August 21, 2011

alebra
Solve using the addition principle. x + 1 = 7
August 20, 2011

algebra
Solve using the addition principle. x + 1 = 7
August 20, 2011

algebra
x = 3 a solution for 3x – 1 = 6? Write yes or no.
August 20, 2011

Civics
Mr. Medicine Man, gets it any time he can. Heheheheheh
July 6, 2011

Math
Can someone solve this showing the steps involved 4^log2(2^log2 5)
May 23, 2011

math
Can someone solve this and explain it please 4^log2 (2log2 5)
May 23, 2011

algebra
Solve the following, then check your answer by graphing. x^2+4y^2=25 y^2-x=1
April 20, 2011

Math
we are working on a puzzle similar to a magic square. 9 boxes are arranged in an X with the center box being shared by both diagonals. the goal is to use each integer 1-9 one time so that each diagonal sums to 26 and the 4 corners sum to 26. HELP
March 30, 2011

Algebra
.122
March 30, 2011

chemistry
What is the pH of a solution prepared by dissolving 6.0 g of HCl in water to make 415 mL of HCl solution?
March 29, 2011

algebra
Write the equation for this situation: the cost, c, in dollars of a car rental is equal to 10 dollars plus 1/2 the miles driven, m. Then graph the equation and use the graph to determine the cost of the car rental if the number of miles driven is 12. Please show all of your ...
March 20, 2011

Chemistry
How much lead (Pb) is in 3.01 × 10^12 atoms of lead? Answer in units of mol.
March 8, 2011

math
How would you set up a system of linear equations to find out how many packages of 8 and 12 you would have to buy to have no left?
January 11, 2011

log graph
Write the equation for this situation: the cost, c, in dollars of a car rental is equal to 10 dollars plus 1/2 the miles driven, m. Then graph the equation and use the graph to determine the cost of the car rental if the number of miles driven is 12. Please show all of your ...
November 1, 2010

physics
Consider a frictionless track as shown in the figure below. A block of mass m1 = 5.95 kg is released from A. It makes a head on elastic collision at B with a block of mass m2 = 10.0 kg that is initially at rest. Calculate the maximum height to which m1 rises after the ...
October 28, 2010

math
I have 28 marbles in all. Red,Blue, Green. 8 of them are blue. I have 3 times as many red marbles than green marbles. How many are red ?
October 28, 2010

physics
A 35 turn coil of radius 4.9 cm rotates in a uniform magnetic field having a magnitude of 0.53 T. If the coil carries a current of 20 mA, find the magnitude of the maximum torque exerted on the coil.
October 22, 2010

Maths
Find the La Place Transform of a.) f(t)=t b.) f(x)=y"+2y'+Y
October 17, 2010

Physics
Consider the circuit shown in the figure below. Use the following as necessary: R1 = 11.00 Ù, R2 = 1.40 Ù, and V = 6.00 V. (a) Calculate the equivalent resistance of the R1 and 5.00 Ù resistors connected in parallel. 1 Ù (b) Using the result of part...
October 5, 2010

Physics
A lamp (R = 151 ), an electric heater (R = 24 ), and a fan (R = 49 ) are connected in parallel across a 121 V line. What total current is supplied to the circuit? What is the voltage across the fan? What is the current in the lamp? What power is expended in the heater?
October 4, 2010

Physics
The voltage across an air-filled parallel-plate capacitor is measured to be 219.0 V. When a dielectric is inserted and completely fills the space between the plates as in the figure below, the voltage drops to 64.4 V. What is the dielectric constant of the inserted material? ...
September 23, 2010

Physics
Consider the system of capacitors shown in the figure below (C1 = 5.00 µF, C2 = 7.00 µF). Find the equivalent capacitance of the system. Find the charge on each capacitor. Find the potential difference across each capacitor. Find the total energy stored by the group.
September 22, 2010

Physics
A uniform electric field of magnitude 395 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.40 cm. What is the work done by the field on the electron? What is the change in potential energy associated with the ...
September 22, 2010

Physics
Three point charges, A = 2.2 µC, B = 7.5 µC, and C = -3.9 µC, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 2.2 µC charge.
September 17, 2010

physics
Four closed surfaces, S1 through S4, together with the charges -2Q, Q, and -Q are sketched in the figure below. The colored lines are the intersections of the surfaces with the screen.
September 17, 2010

english
What is the tone of this article? The trackers mustered at Tex Canyon Road, 20 miles north of the Mexican border, on the afternoon of March 27. There were border-patrol agents, six search-and-rescue units from the Cochise County sheriff's department and dogs trained to ...
July 16, 2010

math
pppppppp pnpnpnpn pndnpdpn pndqpdpq penny+penny+penny+nickel+dime+dime+quarter+ quarter=3+5+10+10+25+25=78 cents. I think Ms. Sue overlooked the part about every other coin being replaced by nickels.
December 3, 2009

math
I figured it out before I got your answer, and I used the trig identity sin(t-u)=sin(t)cos(u)-cos(t)sin(u). I ended up having to use four or five more trig substitutions before finally getting to the answer you have there. Your substitution is much easier to compute. Too bad I...
December 3, 2009

math
I'm trying to find the convolution f*g where f(t)=g(t)=sin(t). I set up the integral and proceed to do integration by parts twice, but it keeps working out to 0=0 or sin(t)=sin(t). How am I supposed to approach it? integral (sin(u)sin(t-u)) du from 0 to t.
December 3, 2009

physics
A Modified Atwood's machine (the pulley with two mass system used in class on in the Modified Atwood physlet) has a 10.0 N cart on a frictionless, horizontal track with a 10.0 N hanging weight attached to a string connecting the two weights. A second track is set up where ...
November 18, 2009

geography
Sammy goes out to play. His mother tells him to be home by 5:oo. Sammy is almost an hour late, but he has an excuse. He says that he got lost. He tells his mother that when he checked his compass, it was pointing to the west, so he followed a path in that direction, but still ...
November 12, 2009

Math
What is the rule _,68,94_,120.
November 1, 2009

Economics
I'm completely stuck on this question.. Trade barriers only work when..? -infant industries receive the protection. -the United States does not have a trade deficit. -American money is kept in the United States. -other countries do not use trade barriers. I want to say the...
October 8, 2009

english
define the term cliche and write one sentence that has a cliche in it. can u help i know it's easy but i want different exaples the book is kinda dull.
August 2, 2009

science
what are chunks of iron and nickel that move through space called
March 24, 2009

math
I think I get it now!! Thank you so much!!!!! wish we had teachers like you here in my school.
March 18, 2009

math
I think I read this as 289 and 78 thousandths? So it would be wrote as 289 78/1000 ??
March 18, 2009

math
I was wondering How do I write a fraction or mixed number for a number such as 900.002 and or numbers such as 289.078 How do I figure out what the fraction form of theese types of numbers are?????
March 18, 2009

CJ
Why do drugs continue to be at the forefront of the crime policy agenda?
November 1, 2008

geography
what is a mild rainy climate called
October 8, 2008

chemistry
thank you so much!
April 15, 2008

chemistry
what is the PH of a solution prepared by adding enough water to 15.00g of NaNO2 to make 275ml of solution
April 15, 2008

Music
I am doing research on Gackt's psychic powers for a paper... can anyone help me?
April 12, 2008

chemistry
You can still get a pH over 14, those are not the limits. you can also have negative numbers. i can't really explain how or why, i just know that its possible. but i was replying to Joe, because 14 is not the cut off point.
April 6, 2008

Social Studies
I have a challenge for you, I have been raking my brain and can not un-scramble the fol: iscolouredcow I think that it is a city somewhere in ASIA Thanks
April 5, 2008

Physics
Thank you this helped a lot.
March 21, 2008

Physics
A particle with mass 6.4 is acted on by a conservative force moves along a path given by: x=5.2*cos(2.2t) y=5.9*sin(2.2t) Find the potential energy of the particle at t = 1, x = 8.0, and y = 14.7 while assuming that the initial potential energy equals zero.
March 21, 2008

Physics
A particle with mass 6.4 is acted on by a conservative force moves along a path given by: x=5.2*cos(2.2t) y=5.9*sin(2.2t) Find the potential energy of the particle at t = 1, x = 8.0, and y = 14.7 while assuming that the initial potential energy equals zero.
March 21, 2008

Macro Economics
On April 20, 2008 your wealthy aunt will give you a bond with a par value (or a maturity value) of $10,000. Your aunt purchased the bond in 2003, and it matures on April 20, 2009. The bond pays a coupon rate of 8 percent. When it arrives, the bond will have one remaining ...
March 13, 2008

Chemistry
c. the increase in temperature, increases the speed and energy of the collisions, causing the reaction to occur faster. a. by increasing the concentration, there are more particles, which means they will collide more frequently causing a faster reaction.
March 3, 2008

Chemistry
using kinetics explain: a.the increasing of concentration of reactants increases the rate of reaction. b.the addition of a catalyst increases the rate at which a reaction will take place. c.and increase in temperature increases reaction rate. d.a catalyst grounded into powder ...
March 3, 2008

Chemistry
determine the approximate molarity of a solution of NaOH prepared by diluting 10ml of 6M NaOH to a volume of 400 ml. using the solution in the first part, 24.5ml of NaOH solution was required to neutralize 26.4ml of a .150M HCl solution. find the molarity of NaOH
February 28, 2008

Physics
An object moves with acceleration given by a = -6t^3 m/s^2. Its initial velocity at t = 0 is 5 m/s. How far will it move before stopping?
February 13, 2008

Physics
An object moves with acceleration given by a = -6t^3 m/s^2. Its initial velocity at t = 0 is 5 m/s. How far will it move before stopping?
February 13, 2008

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