# Chuck

Newest questions and responses by Chuck-
## math

Sound A is 32dB. Sound B is 54 dB. How many times more intense is Sound B than Sound A?

*asked on April 12, 2018* -
## Carpender

Coming off a 17 " 180 degree vertical bucket elevator, I need a downward slope angle of 65 degrees. How long would my pipe need to be to move right 1.5 feet? what is the height from ground, at the end of that pipe (ie. 14.8 feet")?

*asked on February 23, 2018* -
## chem 1211

What temperature change must 1.2mol of water undergo if the amount of energy changed is 23.7 J?

*asked on November 13, 2016* -
## Math

If an individual saves $5,700 and elects to place the total dollar amount into a savings account earning 2.75% APR compounded monthly, how much will the original deposit grow to in 12 years?

*asked on July 19, 2016* -
## Calculus

Two ships leave the same port at noon. Ship A sails north at 12 mph, and ship B sails east at 19 mph. How fast is the distance between them changing at 1 p.m.? (Round your answer to one decimal place.)

*asked on May 28, 2016* -
## chemistry

A 15.0 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved in water. This aqueous mixture then reacts with aqueous potassium chloride to form 3.97 g of solid. Calculate the percent by mass of silver nitrate in the first

*asked on May 7, 2016* -
## Statistics

The Acme Candy Company claims that 60% of the jawbreakers it produces weigh more than .4 ounces. Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 494 jawbreakers that weigh

*asked on April 9, 2016* -
## Math

A golden bar of metal (5 centimeters by 18 centimeters by 4 centimeters) being transported by armored car is suspected of being fake, made from a less valuable metal with a thin coating of pure gold. The bar is found to have a mass of 2.7 kilograms. if the

*asked on February 8, 2016* -
## How much?

How much wood could a wood chuck chuck if a wood chuck could chuck wood? I NEED THE ANSWER ASAP!!

*asked on October 26, 2015* -
## Physics

A 64-kg boy and a 49-kg girl use an elastic rope while engaged in a tug-of-war on an icy frictionless surface. If the acceleration of the girl toward the boy is 3.8 m/s2, determine the magnitude of the acceleration of the boy toward the girl.

*asked on October 12, 2015* -
## Calculus and Vectors

In triangle RST, RS=4, RT=7, and ST=5. Determine the measures of the angles to the nearest degree. I solved correctly for T's angle of 34 degrees. Once I try using the sine law to solve for angle S, I keep getting 78 degrees, when it's supposed to be 102

*asked on September 9, 2015* -
## physics

A cart with a mass is of 6 kg rolls across a level surface. The wheels on the cart make the effects of friction negligible. A force of 3.0 N is applied to the cart, describe the carts motion.

*asked on June 14, 2015* -
## Functions

Two forest fire towers, A and B, are 20.3 km apart. From tower A, the bearing of tower B is 70 degrees. The ranger in each tower observes a fire and radios the bearing of the fire form the tower. The bearing from tower A is 25 degrees and from tower B is

*asked on March 24, 2015* -
## portland state

62 decreased by twice a number

*asked on March 7, 2015* -
## physics

hen a battery is connected to a 100-Ω resistor, the current is 4.00 A. When the same battery is connected to a 449-Ω resistor, the current is 1.09 A. Find the emf supplied by the battery and the internal resistance of the battery. I know that emf is

*asked on February 20, 2015* -
## physics

when a battery is connected to a 100-Ω resistor, the current is 4.00 A. When the same battery is connected to a 449-Ω resistor, the current is 1.09 A. Find the emf supplied by the battery and the internal resistance of the battery.

*asked on February 19, 2015* -
## college Algebra

ANemployee is paid a base salary of $2,150 a month plus an 8% commission on all sales over $7,000 during the month. How much must he sell in one month to earn a total of $3,120 for the month/

*asked on January 31, 2015* -
## 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

*asked on May 16, 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

*asked on May 15, 2014* -
## math

3-6x+8x=9

*asked on February 26, 2014* -
## Math

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

*asked on October 21, 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,

*asked on 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,

*asked on October 20, 2013* -
## Math

Find the rate in mph of someone who drove 12 miles in 45 minutes

*asked on 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.

*asked on 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?

*asked on 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?

*asked on 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?

*asked on April 23, 2013* -
## Economics

*asked on April 23, 2013* -
## Economics

*asked on April 23, 2013* -
## Economics

*asked on April 23, 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.

*asked on March 28, 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

*asked on 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

*asked on 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

*asked on 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

*asked on 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

*asked on 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

*asked on 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?

*asked on 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?

*asked on 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

*asked on February 16, 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?

*asked on 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,

*asked on October 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

*asked on 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

*asked on 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.

*asked on 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?

*asked on 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.

*asked on 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

*asked on 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

*asked on 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?

*asked on 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?

*asked on April 9, 2012* -
## Algebra

What do you call it when somebody spends 20 years in the 24th row of a theater

*asked on 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

*asked on 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

*asked on 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.

*asked on 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

*asked on August 31, 2011* -
## algebra

x+1=7

*asked on August 21, 2011* -
## alebra

Solve using the addition principle. x + 1 = 7

*asked on August 21, 2011* -
## algebra

x = 3 a solution for 3x – 1 = 6? Write yes or no.

*asked on August 21, 2011* -
## Math

Can someone solve this showing the steps involved 4^log2(2^log2 5)

*asked on May 24, 2011* -
## math

Can someone solve this and explain it please 4^log2 (2log2 5)

*asked on May 24, 2011* -
## algebra

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

*asked on 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

*asked on March 31, 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?

*asked on March 30, 2011* -
## Chemistry

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

*asked on March 9, 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?

*asked on January 12, 2011* -
## 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

*asked on October 29, 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 ?

*asked on October 29, 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.

*asked on October 22, 2010* -
## Maths

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

*asked on October 18, 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

*asked on 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

*asked on 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

*asked on 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

*asked on September 23, 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

*asked on September 23, 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.

*asked on 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.

*asked on 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

*asked on July 17, 2010* -
## 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.

*asked on 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

*asked on 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

*asked on November 12, 2009* -
## Math

What is the rule _,68,94_,120.

*asked on November 2, 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.

*asked on 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.

*asked on August 3, 2009* -
## science

what are chunks of iron and nickel that move through space called

*asked on March 24, 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?????

*asked on March 19, 2009* -
## CJ

Why do drugs continue to be at the forefront of the crime policy agenda?

*asked on November 1, 2008* -
## geography

what is a mild rainy climate called

*asked on October 8, 2008* -
## chemistry

what is the PH of a solution prepared by adding enough water to 15.00g of NaNO2 to make 275ml of solution

*asked on April 16, 2008* -
## Music

I am doing research on Gackt's psychic powers for a paper... can anyone help me?

*asked on April 13, 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

*asked on April 6, 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

*asked on March 22, 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

*asked on 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

*asked on March 14, 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

*asked on March 4, 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

*asked on February 29, 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?

*asked on February 14, 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?

*asked on February 14, 2008* -
## Chemistry

Why is the boiling temperature of C2H5OH 78C and water is 100C at 760 Torr.

*asked on January 30, 2008*

## Pages

**1**- 2