Friday

August 22, 2014

August 22, 2014

Number of results: 46,567

**Physics Heat**

1) Peter is heating water on the stove to boil eggs for a picnic. How much heat is required to raise the temperature of his 10.0-kg vat of water from 20.0℃ to 100.0℃? Formula>> Q=mTcp 2)Under the spreading chestnut tree of the village blacksmith dunks red-hot...
*April 10, 2013 by Isis*

**math**

A cleaner charges $0.50 per square foot to polish wood floors. A school hall has a floor area of 30 feet by 50 feet. What would be the total cost to polish the floor of the school hall? A.$80 B.$375 C.$750 D.$1,500
*March 29, 2013 by Jessica*

**MATH**

1.Divide. 0.8/ 14.12 A~17.65? 2.The cost of 36 items is $24.80. What is the cost of an individual item to the nearest cent?A~0.69? 3.Cindy is carpeting a recreation room 24 ft long and 18 ft wide. If the carpeting costs $18 per square yard, what will be the total cost of the ...
*September 20, 2009 by A~*

**math**

A right cicular cylindrical can is to be constructed to have a volume of 57.749 cubic inches (one quart). The sides of the can are to be formed by rolling and welding a strip of metal, which may be purchased in rolls with width equal to the desired height of the can. The ...
*November 29, 2006 by ashish*

**math**

a cleaner charges $0.50 per square foot to polish wood floors. a school hall has a floor area of 30 feet by 50 feet. what would be the total cost to polish the floor of the school hall? A. $80 B. $375 C $750 D $1,500 I think it is C.
*March 27, 2013 by jenny*

**geometry**

A swimming pool is 30 feet wide and 60 feet long. If it is surrounded by square tiles, each of which is 1 foot by 1 foot, how many tiles are there surrounding the pool?
*December 1, 2011 by Anonymous*

**Geometry**

If a rectangular lot measures 120 ft. x 80 ft., and 10 foot set backs are required from each lot line, how much area is left? If a kennel for 50 dogs requires 12,500 square feet, how many dogs can be accommodated in the small rectangle?
*January 18, 2011 by Ivan*

**Oceanography**

How much heat must be added to turn 3 grams of water at 100°C into a vapor and what will be the final temperature after this much heat is added
*July 7, 2011 by Pat*

**Calculus**

A rectangular garden of area 75 sq ft is to be surrounded on 3 sides by a brick wall costing $12 per foot and on one side by a fence costing $7 per foot. Find the dimensions of the garden that the cost of the materials is minimized Read more: A rectangular garden of area 75 sq...
*February 21, 2012 by math*

**math**

A right cicular cylindrical can is to be constructed to have a volume of 57.749 cubic inches (one quart). The sides of the can are to be formed by rolling and welding a strip of metal, which may be purchased in rolls with width equal to the desired height of the can. The ...
*November 29, 2006 by jenni*

**MATH**

just want to check my work on a few things.... 1. Tile for a kitchen counter will cost $8 per square foot to install. If the counter measures 14 ft by 3 ft, what will the tile cost? Answer-336 2. Estimate the result in the following division problem. (Remember to round ...
*September 5, 2009 by A*

**math**

gary wants to stain the 15-foot-by-15-foot deck in his backyard. one can of stain covers 200 square feet of surface. is one can of stain enough to cover his entire deck?
*September 7, 2010 by deava*

**Algebra 2**

The strength of a beam varies inversely with the square of its length. If a 15-foot beam can support 500 pounds, how many pounds can a 20-foot beam support? A) 261.15 B)279.33 C)281.25 D)732.50
*April 18, 2013 by Anonymous*

**PRE CALC HELP PLEASE**

A plumber, electrician and painter were all hired to work on 3 different house. For Adam's house, a plumber worked a total of 35 hours, an electrician worked 42 hours and a painter needed 29 hrs to complete the job. the total cost of the three workers for adam's house was $2,...
*May 24, 2014 by Aly*

**Math**

pls help! The cost to the chicago tribune for sunday home delivery is approximately $0.53 per newspaper with fixed costs of $1,070,00.Write an equation that relates the cost C and X of copies delievered.
*February 18, 2010 by Jackie*

**Bus Finance**

You want to purchase a home. cost $165,000. you have $40,000 downpayment. you want to finance rest at 3.5% for 15 years. how much will monthly mortgage be? How much in total will you pay over the 15 years even counting the downpayment? I came up with payment of $893.6 for ...
*February 3, 2012 by allison*

**specific heat capacity**

How much heat would be required to heat 1 gram of pure liquid water from 10C to 20C? How would i approach this problem?
*September 26, 2011 by D*

**Pre-Algabra**

Unfortunately for mariners, the total amount of wave energy in a storm doesnt depend on the first power of wind speed, but on the fourth power. The seas generated by forty knot wind arent twice as violent as those from a twenty knot wind, they are 17 times more violent. A ...
*February 8, 2008 by Mackenzie*

**Accounting**

Materials used by Square Yard Products Inc. in producing Division 3's product are currently purchased from outside suppliers at a cost of $5 per unit. However, the same materials are available from Division 6. Division 6 has unused capacity and can produce the materials needed...
*July 28, 2013 by Tee*

**math**

A softball diamond is a square with sides of 60 feet long. How far is home plate to second base? Round to the nearest tenth if necessary. 60 Home plate, first base, and second base form a right-angled triangle, with home plate to second as the hypotenuse. Call that distance h ...
*April 9, 2007 by ana*

**Managerial Econmics**

Suppose you own a home remodeling company. You are currently earning short- run profits. The home remodeling industry is an increasing- cost industry. In the long run, what do you expect will happen to … a. …your firm’s costs of production? Explain. b. …the price you can ...
*October 31, 2010 by Roger*

**math**

a kithen is 4 yards wide and 5 yards long.how much will it cost to cover the floor with linoleum at $16 a square yard
*March 21, 2011 by laura*

**math**

a kithen is 4 yards wide and 5 yards long.how much will it cost to cover the floor with linoleum at $16 a square yard
*March 21, 2011 by laura*

**chemistry**

the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed to convert 12.09 g of...
*April 24, 2012 by Randy*

**calculus?**

Hello can u help? I need a solution to calculus problem I have $500.00 to spend on fencing for a garden. The fence for the street side costs $30.00 per foot and the other three sides cost $10.00 per foot. what dimensions will give you a rectangle for the largest possible area...
*July 14, 2012 by GiGi*

**science**

When you freeze water, 80 calories of heat are released into the surroundings for every gram of water that freezes. This is known as the "latent heat of fusion" of water, which is 80 cal/g. Heat of fusion is a characteristic property. Theoretically, if you could "capture" all ...
*January 31, 2011 by Elizabeth*

**Math**

Jim's sandwich cost the same as the comjbined cost of his salad and milk. The sandwich cost three times as the milk. The salad cost $0.20 more than twice the cost of the milk. How much did Jim's lunch cost?
*December 1, 2011 by Billy*

**trig **

A 115 foot foot casts a 147 foot shadow, what is the degree of elevation to the sun
*June 28, 2011 by mike *

**physics**

(a) How much heat (J) flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change(J/K) in entropy due to this heat transfer? (c) How much work (J) is made unavailable, taking the lowest ...
*July 25, 2013 by Justin*

**physics**

(a) How much heat (J) flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change(J/K) in entropy due to this heat transfer? (c) How much work (J) is made unavailable, taking the lowest ...
*July 26, 2013 by Justin*

**physics**

(a) How much heat (J) flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change(J/K) in entropy due to this heat transfer? (c) How much work (J) is made unavailable, taking the lowest ...
*July 28, 2013 by Justin*

**physics**

(a) How much heat flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change in entropy due to this heat transfer? (c) How much work is made unavailable, taking the lowest temperature to be 18°C?
*July 28, 2013 by Justin*

**physics**

(a) How much heat (J) flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change(J/K) in entropy due to this heat transfer? (c) How much work (J) is made unavailable, taking the lowest ...
*July 28, 2013 by Justin*

**problem solving**

You need to put a carpet in a rectangular room that measures 13 feet by 22 feet as a cost of $19.50 per square yard. Assuming that you can buy precisely the amount of carpet you need, how much will the carpet for the room cost? Demonstrate step-by-step solution. I got $1,858....
*December 8, 2012 by ben*

**math**

The price of a home is $215,000. The Bank requires 20% down payment and three points at the time of closing. The cost of the home is financed with a 30-year fixed-rate mortgage at 7%. Find down paymen
*November 25, 2012 by Anonymous*

**Math**

What are the solution sets of the following 3 problems,the square root of x squared + 3x = x-3, the square root of 3x + 10 = x + 4 and finally the square root of 8x - 2 = the square root of 2x? Help much appriciated. I will one as an example. sqrt(3x + 10) =x+4 I hope that is ...
*January 13, 2007 by Joseph B.*

**Math**

The floor of a rectangular room is to be tiled with 1/3 (fraction) foot square tiles along a 10 5/8 (fraction) foot wall. How many tiles will be needed along the wall? Would I multiply 10 5/8 times 1/3 to get the answer?
*October 17, 2009 by Anonymous*

**English**

Just one more thing. Which of the following sentences are grammatical? Thank you very much for your cooperation. 1.I spent most of my holiday at home. 2. I spent the greatest part of my holiday at home. 3. I mainly/mostly stayed at home during my holiday. 4.For the most part, ...
*January 7, 2014 by Frank*

**math**

the cost of 6oz. of chicken is $2.00. how much would it cost for 1.5lbs. of chicken ? (16oz=1lb.) 2 simple ways: 1. if 6 oz cost 2.00 then 1 oz costs 2.00/6 = .3333. and then 16 oz cost 16(.3333..) =5.33 2. by ratios 2.00/6 = x/16 cross multiply and solve for x you will get ...
*April 23, 2007 by christina*

**epoka university**

1) The cost that is related to the particularly cost object and can be traced to it in an economically feasible (cost-effective) way is called: o Indirect cost o Cost tracing o Direct cost o Variable cost
*November 21, 2012 by evisa gjoni*

**SCIENCE QUESTION**

LEAD IS A SOFT, DENSE METAL WITH A SPECIFIC HEAT OF 0.028KCAL/KGC, A MELTING POINT OF 328.0C, AND A HEAT FUSION OF5.5KCAL/KG. HOW MUCH HEAT MUST BE PROVIDED TO MELT A 250.0KG SAMPLE OF LEAD WITH A TEMPERATURE OF 20.0C? Figure the heat to heat if from 20C to the melting point (...
*October 7, 2006 by priscilla*

**maths**

it cost $2592.00 to fence a square field wire cost $18.00 per metre calculate area and side
*May 5, 2013 by Anonymous*

**math**

A right cicular cylindrical can is to be constructed to have a volume of 57.749 cubic inches (one quart). The sides of the can are to be formed by rolling and welding a strip of metal, which may be purchased in rolls with width equal to the desired height of the can. The ...
*November 29, 2006 by Jessica Griffis*

**English**

Can someone tell me what's the British for the words "common trash barrels", "sorted trash", "regular kitchen" trash or food/garden waste? Thank you I'm quite environmentally friendly. I have three containers at home into which to sort my trash. One is for paper; one is for ...
*January 14, 2014 by Frank*

**Manageral accounting**

Gallatin Carpet Cleaning is a small, family-owned business ooperating out of Bozeman, Montana. For its services, the company has always charged a flat fee per hundred square feet of carpet cleaned. The current fee is $28 per hundred square feet. However, there is some question...
*August 6, 2011 by Belynda*

**math**

Suppose that you are responsible for predicting the cost of constructing a new office building. You find that the first story costs 500 dollars per square meter of floor space, and the second story costs 600 dollars per square meter. Assume that the costs per square meter form...
*May 4, 2012 by Kim*

**Math**

A rectangular room measures 15ft by 21ft. How much will it cost to carpet this room if carpeting costs $17.95 per square yard?
*January 10, 2012 by Sara*

**math**

You have one board that is 7/8 foot long. You want two 1/4 foot pieces. How much will be left after you cut the two pieces?
*April 10, 2013 by Anonymous*

**Physics - Fluids**

A freezer contains 20 kg of food with a specific heat of 2 x 10^3 J/kgC. The freezer motor then operates for 10 minutes reducing the temperature to -8 degrees Celsius. a) How much heat is removed from the food during this time? The freezer motor operates at 400 watts. b) How ...
*December 17, 2008 by Peter*

**business math **

If refinishing your basement at a cost of $44,568 would add $18,520 to the resale value of your home, what percent of your cost is recouped? (Round to the nearest percent.)
*July 7, 2014 by jahnesha*

**chemistry**

When 47.5J of heat are added to 13.2 g of liquid, its temperature rises by 1.72 degrees C. What is the heat capacity of the liquid? A cook wants to heat 1.35kg of water from 32.0 degrees C to 100 degrees C. If he uses combustion of natural gas to heat the water, hou much ...
*September 21, 2012 by Alyssa*

**chemistry 101**

How much alcohol must be burned to generate 279kj of heat to warm the water as described in problem 3? (60F to 180F) I've seen where they say the answer is (mass of alcohol)(heat ofcombustion)=279 and you solve for mass. However how am I to know which heat of combustion to use...
*April 15, 2012 by Anonymous*

**kiki**

Suppose you bought supplies for a party. Three rolls of steamers and 15 balloons cost $30. Later, you brought 2 rolls of steamers and 4 balloons for $11. How much did each roll of steamers cost? How much did each balloon cost?
*February 12, 2013 by answerman*

**Chemistry**

How much energy as heat is removed from the hand when 5.00 grams of Ga initially at 20 degrees C melts? The value of Heat Fusion is 5.576 kJ-mol and the specific heat of Ga is 0.374 J-g-K. Take the final temp to be 29.76 degrees C.
*February 7, 2013 by Student*

**Chemistry**

How much energy as heat is removed from the hand when 5.00 grams of Ga initially at 20 degrees C melts? The value of Heat Fusion is 5.576 kJ-mol and the specific heat of Ga is 0.374 J-g-K. Take the final temp to be 29.76 degrees C.
*February 8, 2013 by Student*

**math**

how would you describe how long a foot is without using numbers from http://www.answers.com/foot "In measurement, any of numerous lineal measures (commonly 9.8 – 13.4 in. [25 – 34 cm]) based on the length of the human foot. It is used exclusively in English-speaking countries...
*April 30, 2007 by tyler*

**math**

Hi. Please help me with this?: Suppose you start a home business typing technical research papers for college students. You must spend $3500 to replace your computer system. Then you estimate the cost of typing each page will be $.02. Write a rational function modeling your ...
*April 28, 2007 by Harry*

**ALGEBRA**

Sales tax in Pennsylvania is 6%. Create an equation for the total price (cost plus tax) of a purchase in PA in terms of its cost. How much would a person pay for a car whose cost is $32,000? PAY = COST + 0.06 * COST P=C(1+1.06) P=1.06C P= (32,000)= 1.06*32000= $33920.00 HOW ...
*February 26, 2011 by PEG*

**algebra**

Sales tax in Pennsylvania is 6%. Create an equation for the total price (cost plus tax) of a purchase in PA in terms of its cost. How much would a person pay for a car whose cost is $32,000? PAY = COST + 0.06 * COST P=C(1+1.06) P=1.06C P= (32,000)= 1.06*32000= $33920.00 HOW ...
*February 27, 2011 by PEG*

**calculus**

A box of volume 72m^3 with square bottom and no top constructed out of two different materials. The cost of the bottom is $40/m^2 and the cost of the sides is $30/m^2. Find the dimensions of the box that minimize the total cost. How do I set up the equation(s) in the beginning...
*November 29, 2011 by Samatha*

**Statistics**

Fo each pair of variables, is the association likely to be positive or negative, or no association and why Car size in square feet and cost of car($) Temperature outside in the winter and propane consumed to heat house Amt of soda pop consumed and GPA
*June 19, 2012 by Rochelle*

**Physics**

(a) How much heat in kcal must be provided for a 0.853 kg block of lead to raise the temperature of 0.015 kg block of ice from -5ºC to 0ºC? (b) How much heat in kcal must be provided for a 0.853 kg block of lead to melt a 0.015 kg block of ice from at 0ºC? (c) How much heat in...
*February 5, 2012 by Hannah*

**lagrange multipliers**

A cylindrical oil-storage tank is to be constructed for which the following costs apply: cost per square meter metal for ides $30.00 combined costs of concrete base and metal bottom $37.50(cost per square meter) top 7.50 (cost per square meter) The tank is to be constructed ...
*December 29, 2013 by gemicia*

**math**

A school has purchased a large field that has a square area of 19,500 ft2. What is the approximate length of each side of the square area? Round your answer to the nearest foot. a. 140 ft c. 142 ft b. 139.64 ft d. 139 ft
*July 17, 2014 by daniel*

**Calculus and vectors**

A cylindrical tank is to have a capacity of 1000 m³. It is to fit into a foundry that is 12 m wide with a height of 11 m. The base of the tank will cost half as much as the top. The metal for the side of the tank will cost four fifths as much as the top. An equation that can ...
*January 22, 2014 by Annie*

**math**

The list price of a car is $17,500. By purchasing a combination of luxury items, the cost can increase by as much as 25%. How much could the car cost with all the extras?
*August 11, 2010 by Sarah*

**math**

i need to enclose a 250 square ft section with a fence that cost $1.50 per yard what dimensions would I use to minimize the cost?
*November 27, 2010 by Daphne *

**math**

I need to enclose a section that is 250 square ft with a fence that cost $1.50 per yard, what dimension would i use to minimize the cost?
*November 27, 2010 by Daphne *

**Math **

A fisherman has estimated that it takes 6minutes to paint each square foot of the hull of his boat. How much time should the fisherman allow for the painting of the hull, if the hull were composed of two sides, each 31.5 feet by 8.99 feet?
*March 4, 2013 by Kas *

**Math**

A gardner plans to build a fence around his 24 by 12 foot rectangular vegetable garden. fencing for the garden can be purchased in 50 foot, 75 foot, or 100 foot rolls. which roll of fencing should the gardner buy
*November 26, 2012 by Tyshaun*

**algebra**

P. 620 #56. Predicting Home Prices Selling prices of homes can depend on several factors such as size and age. The accompanying table shows the selling price for three homes. In this table, price P is given in thousands of dollars, age A in years, and home size S in thousands...
*November 8, 2011 by genie*

**Math 209**

Predicting Home Prices Selling prices of homes can depend on several factors such as size and age. The accompanying table shows the selling price for three homes. In this table, price P is given in thousands of dollars, age A in years, and home size S in thousands of square ...
*March 17, 2012 by Lulu*

**math***1questions*****

1.B New flowers are being planted in acurcular flower bed with a 14-foot dimeter.if each flower requires 1 square foot of space,about how many flowers can be planted A.308 flowers B.154 flowers C.77 flowers D.66 flowers
*March 18, 2014 by matt*

**Chemistry**

How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC, and the heat of vaporization ...
*September 16, 2008 by Jimmy*

**Chem**

How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC, and the heat of vaporization ...
*February 4, 2012 by Dan *

**Math**

carpet at a British home supply store sells for 16 pounds(currency)per square meter.What is the price in dollars per square yard.
*March 21, 2012 by Taylor*

**Math**

If I have two mowers that travel at a rate of 250 ft per minute and one has a 48 inch cut and the other is a [blank] cut. How much faster could I cut a yard that is 200 foot by 300 foot with the larger mower.
*February 13, 2011 by Crystina*

**c0llege math**

a fisherman has estimated that it takes 6 minutes to paint each square foot of the hull of his boat. how much time should the fisherman allow for the painting of the hull, if the hull were composed of two sides, each 31.5 feet by 8.00 feet?
*June 20, 2012 by Lourane*

**Math**

Lindsay paid $4.40 for a gallon of ice cream.How much would a quart cost?How much would a pint cost?
*January 23, 2012 by Saul*

**math**

A pottery factory needs to connect with the main gas pipe line. This pipeline is on the other side of a stream. A gas line must be run from the main line junction to the factory at the lowest possible cost. It costs $12.50 per foot to run pipe under water and $9.00 per foot to...
*December 22, 2009 by Jake*

**Physics**

2. Suppose you pour 15 g of hot water (at 55 oC) into a glass that contains 20 g of ice (at - 10 oC). Neglect the heat absorbed in the glass itself. a. How much heat would the water give up to get cooled to the melting point? b. How much heat would it take to get the ice to ...
*November 19, 2012 by Jonathan*

**Physics HELP!**

2. Suppose you pour 15 g of hot water (at 55 oC) into a glass that contains 20 g of ice (at - 10 oC). Neglect the heat absorbed in the glass itself. a. How much heat would the water give up to get cooled to the melting point? b. How much heat would it take to get the ice to ...
*November 19, 2012 by Jonathan*

**trigonometry ans.**

At a point on the ground 50 feet from the foot of a tree, the angle of elevation to the top of the tree is 53°. Find the height of the tree to the nearest foot. I got 50xtan53 = 66.35 nearest foot ? would I use tan or sin since I'm finding the foot of the tree
*June 1, 2014 by Anonymous*

**Chemistry Grade 12**

Given the following equation, C3H8 (g) + 5O2 (g) -> 3CO2 (g) + 4H2O (g); H comb = -2219 kJ/mole A) how much heat will be released when 10 g of propane is burned? B) how much heat will be released when 10 g of water (H2O) is formed? Please show all work.
*May 8, 2012 by Lassie*

**physics**

If you wish to warm 110kg of water by 18 degrees C for your bath how much heat is required? Heat= mass*specificheat*TempChange Put the mass in kg, choose the specific heat constant in units of J/(kg-C), and use the 18C as the temp change.
*October 27, 2006 by Tonya*

**algebra**

1.)correct 2.)wrong---> the first term is wrong 4(3a^2)^2 = 36a^4 3.) not sure on this one 4.) wrong---> - square root of six is not a solution Hope this Helps! 1)find p(-3)if p(x)=4x^3-5x^2+7x-10 =-184 2)If r(x)=4x^2-3x+7,find r(3a^2) =12a^4-9a^2+7 3)Write the ...
*August 16, 2007 by manny*

**math**

A hallway measuring 90 feet x 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot. How much cleaning solution is required to clean the hallway
*June 11, 2014 by Anonymous*

**Maths**

Bill Ding plans to build a new hardware store. He buys a rectangular lot that is 50 ft by 200 ft, the 50-foot dimension being along the street. The store is to have an area of 4000 square feet. Construction costs $100 per linear foot for the part of the store along the street ...
*December 14, 2010 by Murali*

**chemistry**

a) how much heat is required to convert the ice to water that is also 0.00 C? b) how much heat would be required to warm this water from 0.00 C to 17.50 C? HELP!! I think the fusion is 333 J/g at 0 C... But I'm not sure what to do with that.
*September 7, 2008 by Jeff*

**English**

Thank you very, very much for your help. Which of the following questions are you more likely to use? 1) How long did it take you to eat your Christmas lunch? OR How much time (How long) did you spend eating your Christmas lunch? 2)How much did it cost to eat at the restaurant...
*February 3, 2010 by Franco*

**Math**

A fisherman has estimated that it takes 6 minutes to paint each square foot of the hull of his boat? How much time should the fisherman allow for the painting of the hull, if the hull were composed of two sides, each 31.5 feet by 8.00 feet? Is the correct answer 50.4 hours?
*February 25, 2012 by Sam*

**Algebra**

When you're breaking down the square root in the quadratic formula into several parts- say it was the originally the square root of 80 so you break it down to square root of 4 and square root of 20-would the results be added or multiplyed? Because I know when you further break...
*October 5, 2009 by Peter*

**math**

3 people each want a set of ....lets say rubber bands($4) also they want the rubber band life prolonging solution($2). Oh snap! How much will it cost each person? How much will it cost altogether? Prove your answer
*September 30, 2010 by Rroyd*

**business calculus**

A rectangular area is to be enclosed and divided into thirds. The family has $700 to spend for the fencing material. The outside fence costs $12 per running foot installed, and the dividers cost $30 per running foot installed. What are the dimensions that will maximize the ...
*May 3, 2008 by RAY*

**Chemisty**

LEAD IS A SOFT, DENSE METAL WITH A SPECIFIC HEAT OF 0.028KCAL/KGC, A MELTING POINT OF 328.0C, AND A HEAT FUSION OF5.5KCAL/KG. HOW MUCH HEAT MUST BE PROVIDED TO MELT A 250.0KG SAMPLE OF LEAD WITH A TEMPERATURE OF 20.0C?
*October 23, 2008 by Jessica*

**Heat Transfer**

A 1 m square verticalplate is heated to 300 deg C and placed in room air at 25 Deg C. calculate the heat loss from the one side of the plate
*March 27, 2014 by RHS*

**Calculus - Optimization **

A fence is to be built to enclose a rectangular area of 800 square feet. The fence along 3 sides is to be made of material $4 per foot. The material for the fourth side costs $12 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be...
*November 17, 2013 by Jess*

**maths**

Consider the equation x(square) + 4px + 2q = 0 where p and q are real constants. a) by completing square, show that (x+2p)square =4P(SQUARE)-2q b) Hence show that x= -2p +/- square root(4 p(square) -2p ) c) Use the above results to solve the equations 1) x(square) + 8x +14 =0 ...
*August 4, 2013 by Jayden Haddy*

**math**

Shelly sews a blanket that has an area of 170 square feet. it has 30 square blocks, each the same size. What is the approximate length of each side of a block. a. 1 foot b. 2 feet c. 3 feet d. 4 feet I doubled checked and the problem is correct. I just can't figure it out.
*October 30, 2012 by Larry*

**Chemistry**

How much heat (in BTU) would be required to heat and vaporize 100 lb of water from 25°C to saturated steam at 1 atm? Assume heat capacity is constant at 1 BTU/lb-°F and the latent heat of vaporization is 1,000 BTU/lb. Also, what is the temperature of the saturated steam at 1 atm?
*January 17, 2011 by Jini*

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