Sunday

October 26, 2014

October 26, 2014

Number of results: 8,984

**physics**

in an electron microscope, a tungstun cathode with work function 4.5 eV is heated to release electrons that are then initially at rest just outside the cathode. The electrons are accelerated by a potential difference to create a beam of electrons with a de Broglie wavelength ...
*June 9, 2008 by shelly*

**Economcis**

I need some help on the following question, thanks. e = euros Suppose quotes for the dollar-euro exchange rate, E$/e, are as follows: in New York $1.50 per euro, and in Tokyo $1.55 per euro. Describe how investors use arbitrage to take advantage of the difference in exchange ...
*May 23, 2008 by Wilde*

**health care:Claims Preparation I: Clean Bills of H**

Assignment: Understanding the Patient Intake Process „h Resource: Figure 3.1 on p. 75 of Medical Insurance „h Due Date: Day 7 [Individual forum] „h Write a 750- to 1,050-word essay discussing strategies to improve patient intake efficiency not covered in the text. Include the ...
*July 18, 2009 by kinwa*

**math(relation & functions) need help urgently**

Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds. 2)if there are x type...
*February 28, 2008 by Keisha*

**Financial Management 2-2**

If an individual buys stock on margin and its price rises, the investor A. must put up additional collateral. B. must pay tax on the unrealized gain. C. must pay interest on the borrowed funds. D. may take delivery of the stock. I would think the answer is C, because if you ...
*February 21, 2009 by Johnny*

**Math**

Store A usually sells a jacket for $72 but today I can buy it for $40. Store B usually sells the same jacket for $38 but today I can buy it for $18. Which store is offering the greatest percentage off the origanal price ? In which store would you buy the jacket/ Show all work...
*February 19, 2010 by pavleen*

**Math**

Will someone please help me with the following problems: 1. One kilometer is equal to 1,000 meters. What fractional part of a kilometer is 750 meters? Simplify 2. Find the number that is the difference between 99 and 63. 3. Find the unit price for the item:$35.80 for 4 caps. 4...
*July 17, 2008 by BaBa*

**math**

A pair of ordinary jeans at A-Mart costs $50 less than a pair of designer jeans at Enrico's. In fact, you can buy four pairs of A-Mart jeans for less than one pair of Enrico's jeans. What is the price range for a pair of A-Mart jeans?
*January 29, 2013 by mohamed*

**FINANCE**

Many creditors of your firm offer early payment discounts. The accounts payable supervisor does not believe in paying early “as the bank overdraft rate of j12 = 8% pa is more than the average 2% offered for payment within 10 days from date of invoice”. The supervisor stretches...
*March 27, 2014 by Anonymous*

**economics**

Consider a consumer who has an experienced utility function given by . Let denote the market price of good , and assume that it remains fixed throughout the problem. The company selling the good starts an advertisement campagin that has the following effect on the consumer: ...
*January 22, 2014 by ali*

**Physics-Please check**

I posted this question this morning but I'm not sure of the response Damon provided. If you were in a rotor style ride and the riders accelerate until the speed of ride is reached- if the radius of the cylinder is 5.0m and the coefficient of friction between clothes and wall ...
*December 7, 2010 by Joey*

**college physics**

One athlete in a race runnng on a long, straight track with a constanct speed v1 is a distance d behind a second athlete running with a constant speed v2. (a) Under what circumstances is the first athlete able to overtake the second athlete? (Use v_1 for v1, v_2 for v2, and d ...
*October 21, 2013 by alaa*

**physics**

1)A 5.0 cm real object is placed at a distance of 30.0 cm from a concave mirror of focal length 10.0 cm. Find the location of the image. (30)(10)/5.0 15 or (30)(5.0)/10 60 I don't know which one 2)What must be the minimum height of a plane mirror so that a boy of height 162 cm...
*April 7, 2008 by Jon*

**Physics**

A uniform thin ring of charge, with radius 5.20 cm and total charge 6.60 ìC, is located in the yz-plane and centered on the origin. (In other words, the x-axis passes through the center of the ring, and is perpendicular to the ring.) A particle of mass 17.9 g and charge 4.80 ì...
*November 1, 2010 by Rudi*

**physics**

A curve of radius 20 m is banked so that a 970 kg car traveling at 50 km/h can round it even if the road is so icy that the coeﬃcient of static friction is approximately zero. The acceleration of gravity is 9.81 m/s^2 Find the minimum speed at which a car can travel ...
*November 1, 2012 by JoAnna*

**math**

Tiny is ordering a pizza and cant decide between a round pizza with a diameter of 4 inches or a rectangular pizza that is 12 inches by 14 inches. The round pizza is 9.50 and the rectangular pizza is 10.00. Which is larger? How much larger is it? Which pizza is the better buy ...
*March 7, 2012 by mary*

**math**

Roberto is an employee of a store and receives 20% discount off all items in the store. During a sale, the price of a jacket is reduced by $15. Roberto will receive both his 20% discount and the $15 off. Which is better for Roberto, to take the 20% discount first and then ...
*March 16, 2011 by anonymous*

**math**

Determine the regular payment amount, rounded to the nearest dollar. The price of a home is $160,000. the bank requires a 15% down payment. The buyer is offered two mortgage options: 1 year fixed at 8% or 30-year fixed at 8%. Calculate the amount of interest paid for each ...
*August 17, 2011 by marie *

**math**

Determine the regular payment amount, rounded to the nearest dollar. The price of a home is $160,000. the bank requires a 15% down payment. The buyer is offered two mortgage options: 1 year fixed at 8% or 30-year fixed at 8%. Calculate the amount of interest paid for each ...
*August 17, 2011 by marie *

**Finance**

A year ago, the Green Technologies Growth Fund was being quoted at an NAV of $21.50 and an offer price of $23.35; today, it’s being quoted at $23.04 (NAV) and $25.04 (offer). Use the approximate yield formula or a handheld financial calculator to find the rate of return on ...
*January 9, 2014 by Anonymous*

**MATH**

test tomm so plz reply back fast a concrete bridge over a river has an underside in the shape of a parabolic arch. At water level, the arch is 30 mwide. it has maximum heigt of 10m above the water. the minimum vertical thickness of the concrete is 1.5m. 1-find the algebraic ...
*April 16, 2009 by math pro*

**economics**

Suppose that for the firm below, the goods market is perfectly competitive. The market price of the product the firm produces is $4 at each quantity supplied by the firm. What is the amount of labor that this profit-maximizing firm will hire, and what wage rate will it pay? ...
*April 16, 2012 by Anonymous*

**Math Probability**

A certain state's lottery game, LOTTO, is set up so that each player pays $1 per ticket and chooses six different numbers between 1 and 20 inclusive. If the six numbers chosen match the six numbers drawn, the player wins the grand prize. If a person buys one LOTTO ticket, what...
*December 1, 2013 by Anonymous*

**geometry**

elaine and Daniel are building a rectangular greenhouse.they want the are of the floor to be 36metres squared.since the glass walls are expensive,they want to minimise the amount of glass wall they use.they have commissioned you to design a greenhouse which minimizes the cost...
*February 13, 2014 by tk*

**PHYSIC**

You are a member of an alpine rescue team and must project a box of supplies, with mass m, up an incline of constant slope angle α so that it reaches a stranded skier who is a vertical distance h above the bottom of the incline. The incline is slippery, but there is some ...
*July 14, 2013 by kolam*

**Precalculus**

The Downhill Ski club is organizing a ski trip. Group tickets for the ski trip are priced at $20 for the first 100 skiers and a discount of $5.00 per ticket for each of the skiers over 100. a) write a formula to find the cost of x skiers. Answer: c(x)=2000+15(x-100), if x>...
*December 22, 2011 by Elli*

**programming**

I have created a Database called Business with the 2 tables as follows: dbo.Orders ID OrderID ItemName Quantity Price SalesID dbo.Sales SalesID FIrstName LastName OrderID I need to create a stored procedure to show Total Sales of each sales, including SalesID, FirstName, ...
*May 2, 2012 by Lisa*

**FINANCE**

Polycorp has a current dividend of $5.00 due tomorrow and is expected to pay a dividend $5.50 at the end of the first year. Its dividend is expected to grow at 8% pa for the following year. Dividends are then expected to grow at 4% pa for another two years. Then they are ...
*March 27, 2014 by Anonymous*

**finance**

Polycorp has a current dividend of $5.00 due tomorrow and is expected to pay a dividend $5.50 at the end of the first year. Its dividend is expected to grow at 8% pa for the following year. Dividends are then expected to grow at 4% pa for another two years. Then they are ...
*March 27, 2014 by Anonymous*

**Calculus (Please check my work.)**

This is my last chance to make at least a C in my AP Calculus course, so please tell me if I got these right or wrong so that I can fix them before it's due. Also, there was one I wasn't sure how to do, so if you can help me with that, it would be much appreciated! 1)Find the ...
*December 14, 2013 by Lindsay*

**Math**

What is the percent markup based on cost for the shirts in the previous question? (Round percent to the nearest tenth.) I got .72% What is the percent markup based on selling price for the Western Wear shirts? (Round percent to the nearest tenth.)
*June 1, 2013 by April *

**Calc 3**

A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 300 m and the minimum diameter, 500 m above the base, is 200 m. Find an equation describing the shape of the tower in the coordinates where the ...
*September 12, 2012 by Becky*

**economics**

Write a 1,750- to 2,450-word paper in APA format that provides an economic profile of the airline industry. I need to discussShifts and price elasticity of supply and demand o Positive and negative externalities o Wage inequality o Monetary and fiscal policies · Conclude your ...
*August 23, 2008 by Mary*

**Business Law**

As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation, alleges that its ...
*June 8, 2012 by Marcal*

**business law**

As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation, alleges that its ...
*September 8, 2012 by shy*

**physics 2**

A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-...
*February 24, 2013 by anonymous*

**statistics**

Assume that human body temperature are normally distributed with a mean 98.21 F and a standard deviation of 0.61F a)A hospital uses 100.6 as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever. Does...
*November 9, 2013 by angela*

**Phys**

i cant get this no matter what i try; A curve of radius 40 m is banked so that a 1070 kg car traveling at 60 km/h can round it even if the road is so icy that the coeﬃcient of static friction is approximately zero. The acceleration of gravity is 9.81 m/s a)Find the ...
*March 2, 2011 by HELP JOHN*

**Calculus**

A man has 340 yards of fencing for enclosing two separate fields, one of which is to be a rectangle twice as long as it is wide, and the other, a square. The square field must contain at least 100 square yards and the rectangular one must contain at least 800 yards. (a.) If X ...
*February 5, 2012 by Amy*

**Economics**

An increase in the price of a good A.increases the opportunity cost of consuming the good. B. decreases the opportunity cost of conusming the good. C. does not effect the oppurtunity cost of consuming the good. D. increases the opportunity cost of other goods.
*October 1, 2007 by cymber*

**Pre-cal**

Hi, I don't understand this problem also. Find the the relative maximmum and minimum of x^3 - 6x^2 + 15. I'm supposed to do it using a graphing calculator but I still don't see any "lows" or "highs". Relative max and mins will occur when the derivative is equal to zero. The ...
*February 16, 2007 by Lisa*

**Math**

Need help solving this problem please. Andrei buys a painting and sells it to Boris Andrei makes a 60% profit on the sale Boris sells the painting to Clarissa Clarissa pays 1.5times the price that andrei paid for the painting Boris made a loss What is his loss as a % of the ...
*June 23, 2008 by Maggie*

**microeconomic**

Suppose you consume three pounds of beef and five pounds of pork per month. The price of beef is $ 1.50 per pound, and pork is $ 2.00 per pound. Assuming you have studied economics and achieved consumer equilibrium, what is the ratio of the marginal utility of beef to the ...
*March 11, 2012 by snizhanna*

**math**

Company ABC offers a series discount of 20%,10% and 4% on a type of water filter while company XYZ offers a single discount of 32% on the same type of water filter. Which company offers a greater discount on its merchandise assuming the list price is the same ? is that my ...
*April 26, 2014 by fizz*

**algebra need help soon**

I have been working on these 2 problems and I think I am confusing myself. I have never tried this site before but it was recommended to me. I appreciate whoever can help me. Thanks in advance The first question is f(x)=-2x^2 + 2x + 8 I need to find the x and y coordinates of ...
*May 8, 2009 by ayanna*

**algebra urgently need help**

I have been working on these 2 problems and I think I am confusing myself. I have never tried this site before but it was recommended to me. I appreciate whoever can help me. Thanks in advance The first question is f(x)=-2x^2 + 2x + 8 I need to find the x and y coordinates of ...
*May 10, 2009 by krystal*

**algerbra 1**

-2/3.[-4/5]= -6-7= A hospital parking lot charges $3.00 for the first hour or part thereof and $1.50 for each additional hour or part thereof. a weekly pass cost $33.00 and allows unlimited parking for 7 days. If each visit Johny makes to the hospital last three hours and a ...
*November 17, 2011 by Connie*

**accounting**

herman company received proceeds of $188,500 on 10-year, 8% bonds issued on january 1, 2009. the bonds had a face value of $200,000, pay interest semi-annually on june 30 and december 31, and have a call price of 101. herman uses the straight-line method of amortization. what ...
*November 10, 2010 by debbie*

**math**

The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of concrete will need to be poured? How much ...
*April 9, 2014 by Willy*

**math**

1. A 120-day simple discount promissory note for $12,000 with a simple discount rate of 9% was signed on July 14. It was discounted on August 30 at 9.5%. Find the proceeds at the time of the sale. 2. 8. A $15,000 T-bill is purchased at a 3.85% discount rate for 16 weeks. Find...
*September 6, 2012 by Fellippe*

**Math Probability *Repost***

A certain state's lottery game, LOTTO, is set up so that each player pays $1 per ticket and chooses six different numbers between 1 and 20 inclusive. If the six numbers chosen match the six numbers drawn, the player wins the grand prize. If a person buys one LOTTO ticket, what...
*December 1, 2013 by Tina *

**Math**

The Oliver Company plans to market a new product. Based on its market studies, Oliver estimates that it can sell up to 2,000 units in 2005. The selling price will be $5 per unit. Variable costs are estimated to be 20% of total revenue. Fixed costs are estimated to be $6,300 ...
*February 10, 2012 by Jamie*

**physics**

need help on this three part one its about inelastic collisions momentum and energy related with work Find the speed at which Superman (mass=76.0 kg) must fly into a train (mass = 17620 kg) traveling at 60.0 km/hr to stop it. Running into the train at that speed would severely...
*February 26, 2008 by kdhgwiu*

**business**

Expand or reduce ? Mandy has a study for contracts at $50,000, of which %7,000 is variable cost of supplies. She is currently charging $20 per test She is thinking of lowering her price by 20% in hopes of rasiign current vol. of 10,000 tests by 15%. If she do, she expects her ...
*July 25, 2012 by Mia*

**Economics**

Consider an economy with a constant nominal money supply, a constant level of real output Y = 100, and a constant real interest rate, r = 0.10. Suppose that the income elasticity of demand is 0.5 and the interest elasticity of money demand is –0.1. By what percentage does the...
*March 19, 2012 by Sally*

**Math**

Matt made two types of pie: strawberry and blueberry. He cut all of the strawberry pies into 20 slices each and all of the blueberry pies into 15 slices each. If Matt cut the same total number of slices of each type of pie, what is the minimum number of slices of each type he ...
*September 12, 2014 by Josh*

**physics**

Suppose a spherical planet P has a uniform density of 4.96*10^3 kg/m^3 and a radius R=1904 km. For a parcel that weighs 73 N on the surface of the (spherical) earth, what is A) gp/ge and B) its weight on the surface of P? Using the "tunnel mail" system what is C) the delivery ...
*April 11, 2011 by Mudoh*

**physics**

A 150 N block is at rest on a table, a cable is connected from this block to another hanging off of the table. This block is 75 N. What is the magnitude of the minimum force of static friction on the 150 N block required to hold both blocks at rest? What would the coefficient ...
*August 9, 2012 by kacey*

**statistics**

Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of scores are below 90? ...
*October 13, 2014 by JAE*

**Math**

A delivery service charges a base price for an overnight delivery of a package plus an extra charge for each pound the package weighs. A customer is billed $22.85 for shipping a 3-pound package and $40 for shipping a 10-pound package. 1.) Write an equation that gives the total...
*August 2, 2012 by Kiri*

**writing**

i have a writing topic i have to write a 3 paragraph essay on it. The topic is: "Think about other animal stories you have read or seen. What purpose do such stories often serve? Are they written merely to entertain, or to teach a lesson? Write a (minimum 3 paragraph) essay ...
*September 13, 2008 by KK*

**math**

Debbie Snyder has just graduated from college and needs to buy a car to commute to work. She estimates that she can afford to pay about $ 450 per month for a loan or lease and has about $ 2,000 in savings to use for a down payment. Develop a plan to guide her through her first...
*May 17, 2014 by tota*

**Finance**

Debbie Snyder has just graduated from college and needs to buy a car to commute to work. She estimates that she can afford to pay about $ 450 per month for a loan or lease and has about $ 2,000 in savings to use for a down payment. Develop a plan to guide her through her first...
*July 6, 2014 by Tonya*

**Urgent 1 Math question**

Elaine has a customer who needs a box with a volume of 12 cubic inches. Th e customer wants to know what size box is the least expensive to buy. • Th e price will be based on surface area. Th e supplier charges _ 21_ cent per square inch. • Th e dimensions of the box are whole...
*March 3, 2013 by Neisha*

**math**

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,650 with factory and dealer rebates of $5,100 Find the monthly payment if financed for 60 months at 0% APR. Find the monthly payment if financed at 2.5% add-on ...
*June 5, 2014 by monia*

**Probabilities**

An apartment building has 140 apartments, all renting at the same price. It is know that all the apartments can be rented if the rent is $250 per month, and that each increase in rent by $5 will result in one additional apartment becoming vacant. The rent (in dollars) ...
*April 21, 2009 by Andrey L*

**Algebra**

Word Problems (Addition/Elimination Method). Check if my answers are correct. 1.A girl bought 2 CDs and 3 DVDs for $92. Each DVD costs $4 more than the CDs. What is the price of each CD and DVD? My answer: CDs- $16 and DVDs-$20 2.A boy bought 20 stamps, some for 30 cents and ...
*September 16, 2012 by Amy*

**Biology**

1) What is the minimum number of single nucleotide substitutions that would be necessary for each of the following amino acid replacements? a. trp -> lys b. met -> his c. tyr -> gly d. ala -> asp 2) A mutation is isolated that can not be induced to revert. What ...
*October 28, 2011 by Jim*

**Thermodynamics**

A heat pump works on the vapor compression refrigeration cycle with 0.2 kg/s of refrigerant-134a as the working fluid. The cycle is used to keep a house at 26oC while absorbing heat from the outside at 3oC. R-134a enters the compressor at 200 kPa as a saturated vapor and ...
*April 23, 2012 by S*

**Math Statistics**

Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of scores are below 90? ...
*October 13, 2014 by JAE*

**Physics: Angular Width. Why is my answer wrong?**

A beam of yellow laser light (590 nm) passes through a circular aperture of diameter 5.0 mm. What is the angular width of the central diffraction maximum formed on a screen? I can't seem to get this answer right. I don't think I am finding the first part of the problem ...
*November 9, 2010 by Sar*

**chem**

Some sulfuric acid is spilled on a lab bench. It can be neutralized by sprinkling sodium bicarbonate on it and then mopping up the resultant solution. The sodium bicarbonate reacts with sulfuric acid as follows. 2 NaHCO3(s) + H2SO4(aq) --> Na2SO4(aq) + 2 H2O(l) + 2 CO2(g) ...
*December 11, 2010 by hannah*

**Marketing Principles**

Motivating and Leading The following are the four P's in marketing: Price Product Promotion Place Complete the following below: Choose a product or service with which you are familiar. Describe the product or service. In your own words, describe why and/or how each of the 4-P'...
*June 7, 2010 by Glo*

**MATHS**

Two (2) Buckets were bought for X dollars each ($X) and a third bucket is bought for $less than twice the price of the first two buckets. (a) Write down an expression for the total cost of the three buckets (b) If the total cost of the buckets was less than $34. write an ...
*February 9, 2010 by JERMAINE*

**m**

Two (2) Buckets were bought for X dollars each ($X) and a third bucket is bought for $less than twice the price of the first two buckets. (a) Write down an expression for the total cost of the three buckets (b) If the total cost of the buckets was less than $34. write an ...
*February 9, 2010 by JERMAINE*

**Calculus**

Damon, Help :) A rancher plans to set aside a rectangular region of one square kilometer for cattle and wishes to build a wooden fence to enclose the region. Since one side of the region will run along the road, the rancher decides to use a better quality wood for that side ...
*December 16, 2011 by Chris*

**busineslae**

In the video game Corporate Cowboy, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation, ...
*March 11, 2011 by jiji*

**applied business law**

As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation, alleges that its ...
*December 21, 2012 by annomyons*

**Applied Business Law - 2**

As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation, alleges that its ...
*September 5, 2014 by drew*

**Finance**

Piedmont Enterprises currently pays a dividend (D0) of $1 per share. This dividend is expected to grow at a 20 percent per year rate for the next 2 years, after which it is expected to grow at 6 percent per year for the foreseeable future. If you require a 15 percent rate of ...
*February 22, 2012 by Raechelle*

**Business Math**

Can someone please check over my answers? I'm not sure about them, especially part c. A small boat can be bought for $3,000 cash or on the installment plan by paying $300 down and $108 a month for 30 months. a) What is the installment price of the boat? $3,540 b) What is the ...
*January 14, 2008 by Tracy*

**economics**

I need to review a n example of an essay on a 700-1,050 word essay on one good that you have had experience purchasing and the good I chose is online college explaining factors that could cause possible chandes in supply and demand. Determine at least 2 substitutes there may ...
*August 14, 2010 by krissy*

**economics**

You are hired as the consultant to a monopolistically competitive firm. The firm reports the following information about its price, marginal cost, and average total cost. Can the firm possibly be maximizing profit? If not, what should it do to increase profit? If the...
*May 24, 2012 by tiffany*

**Geography**

3. One of the main problems challenging the economics of many African nations today is a. a lack of diverse exports b. increasing their export of raw materials c. competing with the industrial output of other African nations d. making fishing more productive I'm not sure but I...
*March 18, 2010 by y912f*

**Math**

Oaktree Company purchased a new machine and made the following expenditures: Purchase price $45,000 Sales tax 2,200 Freight charges for shipment of machine 700 Insurance on the machine for the first year 900 Installation of machine 1,000 The machine, including sales tax, was ...
*April 2, 2011 by Bobbi Loffredo*

**math**

On a typical day at an ocean port, the water has a maximum depth of 20m at 8:00AM. The minimum depth of 8m occurs 6.2h later. Assume that the relation between teh depth of the water and time is a sinusoidal function. write an equation for the depth of the water at any time, t ...
*January 16, 2009 by sh*

**geography**

john who lives at 35 degrees north and 120 degrees west regularly calls Geroge his business partnet at 2pm (John's local time) every day during July last year. George regularly recevied the calls at 10 pm ( his local time). throughout the month, George reported that the ...
*November 3, 2012 by karen*

**english**

(Please check my essay for me) thank you very much. Subject: Oil and Gas Prices Introduction: The economy is influenced by many factors that determine its surplus or deficit. Throughout the last several decades, we have seen the world’s dependency on Oil and Gas, which are ...
*March 20, 2008 by rose*

**micro**

On one society A the price of an apple is $3 and the price of an orange is $7, while on socity B the apple and orange are the same price, $4. society A people consume 10 apples and 8 oranges while societyB people consume 8 apples and 12 oranges. Which society is better off? ...
*May 26, 2007 by aloha*

**Algebra 1--Please, help me!**

How am I supposed to graph the following functions? 1. A wholesaler is buying auto parts. He has $200 to spend. He recieves 5 parts free with the order. The number of parts y he can buy, if the average price of the parts is x dollars, is y = 200/x + 5. a. Graph the function. A...
*May 19, 2014 by Victoria*

**Finance**

Currently, there are 560,000 shares outstanding at $85 each. There will be 65,000 new shares offered at $84 each. Calculate each of the following: • The new market value of the company. • 560,000($85) + 65,000($60) • 47,600,000 + 3,900,000 • = $51,500,000 • The number of ...
*December 16, 2013 by Anonymous*

**algebra**

In your industrial oven, you bake two cooking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. If the price of the scones are $2.28 each and the cookies are $1.19 each, how much total revenue would result ...
*April 3, 2008 by connie*

**caculus (pipeline)**

A common problem encountered by the oil industry is to determine the most cost-effective route to connect various wells in an oil fertile area. The attached map is a copy of a section of a U.S. Geographical Survey contour map with a wetland area outlined. An existing oil well ...
*March 31, 2010 by miley*

**Anthropology**

An anthropologist might argue that the ruby slippers worn by Dorothy(Judy Garland) in the movie the Wizard of Oz would bring a high auction price b/c some North Americans believe the shoes: a)were used by a trickster b)are inhabited by a poltergeist c)have mana d)have ...
*December 15, 2011 by TAYLOR M B*

**Calculus**

The marginal cost for a product is given by dC/dq = 1000/sqrt3q+20, in hundreds of dollars, where q is given in thousands of units. Determine the cost in dollars involved in increasing product from 10 to 15 thousand units. If R(0)= C(0)= 0, the marginal revenue is given by dR/...
*May 13, 2013 by Grant*

**calculus**

The marginal cost for a product is given by dC/dq = 1000/sqrt3q+20, in hundreds of dollars, where q is given in thousands of units. Determine the cost in dollars involved in increasing product from 10 to 15 thousand units. If R(0)= C(0)= 0, the marginal revenue is given by dR/...
*May 14, 2013 by Grant*

**Physics**

Tank-killer rounds (fired by another tank) consist of a shell whose projectile is a long, slender (18.2 mm diameter by 31.7 cm long) cylindrical rod of depleted uranium of density 18.7 gm/cm3. Assume that the shellâ€™s speed is 1550 m/s. You have developed a defense: you fire ...
*October 19, 2008 by Ryan*

**Health Physics**

1. Two blocks of mass 0.1 kg and 0.2 kg approach each other on a frictionless surface at velocities of 0.4 and 1 m/s respectively. If the blocks collide and remain together, calculate their joint velocity after the collision. 2. A cyclotron produces a 100-Î¼A beam of 15-MeV ...
*April 13, 2014 by Nam-kung hoon*

**Economics**

Should a firm shut down its unprofitable operation. Firm uses 70,000 workers to produce 300,000 units of output per day. Daily wage is $100 p/worker dn price of firms output is $30. Other variable inputs is $500,000 p/day. Do not know the firms' fixed cost, but it is high ...
*January 19, 2010 by Mona*

**Algebra**

Help? The school john goes to is selling tickets to the annual dance competition . On the first day of sales the school sold 2 senior citizen tickets and 13 student tickets for a total of $108. The school took in$144 on the second day selling 4 senior tickets and 14 student ...
*October 20, 2014 by Teagan*

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