05/09/15

Work backward
on Saturday Mr. Singh sold a lot of watermelons. His firtd customer bought 1 more then 1/2 of all the watermelons. The second customer bought 1 more than 1/2 of the watermelons that were left. The... more
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05/08/15

it takes me 10 hours to clean house. It takes jan 11 hours to clean the same house. If me an January work together, how long will it take to clean the house
it takes me 10 hours to clean house. It takes jan 11 hours to clean the same house. If me an January work together, how long will it take to clean the house
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05/08/15

john is packing books in boxes. each box can hold either 15 small books or 8 large books. He needs to pack at least 35 boxes and at least 350 books
system of linear inequalities
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05/08/15

decline nox
decline nox
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05/08/15

Help! Word problem!
Two cars leave towns 45 kilometers apart at the same time and travel toward each other. One car's rate is 18 kilometers per hour less than the other's. If they meet in 3 hours, what is the rate of... more
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05/08/15

Need help solving
John bought a car for $25,000 in 2010. The car depreciates at a constant rate of 21% per year.    A.) write an equation to represent the balance the car x years after 2010. B.)Does this... more
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05/08/15

You want at least three bratwursts or hamburgers for each of your 35 guests. Bratwursts cost $1.3 each and hamburgers $1.2 each. Your budget is $150.
Let x be the number of bratwursts and y the number of hamburgers. which system of inequalities represents this situation?
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05/08/15

A can of soda at 80° F. is placed in a refrigerator that maintains a constant temperature of 36°F.
A can of soda at 80° F. is placed in a refrigerator that maintains a constant temperature of 36°F.  The temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t) =... more
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05/07/15

Find the exact value of cos(11p/8)
A) √(2+√2)/4 B) √(2-√2)/4 C) - √(2-√2)/4 D) -√(2+√2)/4         2) 1 + cos (12x)=   a)2cos^2(12x) b) 2sin^2(12x) c)2cos^2(6x) d) 2sin^2(6x)  
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05/07/15

Cones a and b have the same height but different radii. If the volume of the cone a is 641.08 find the volume of cone b.
Radius a is 7cm and radius b is 3.5cm.  
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05/07/15

<3,^4,>7,<6,^8,>14,<9,^12
what is the next number in this sequence  
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05/07/15

How much would it cost to build this road?
$100 per ton Need 1/2 mile long and 20 feet wide $100 per 1 ton, 1 ton covers about 10 by 20 ft. of road. The road needs to be 3 inches dee  
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05/07/15

The Question I need help with is below
The data below represents the federal minimum hourly wage for various years.Year (x) 1980 1985 1990 1995 2000 2005 2010Wage (y) 3.10 3.35 3.80 4.25 5.15 5.15 7.256. Find the slope of the line... more
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05/07/15

Building project
I must build building model for school and i want it to be in golden rule. One specific part must be 400mm but i dont know how much other dimensions should be. I need to know dimension of "D" so i... more
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05/07/15

A chemist is studying the properties of a bronze alloy (mixture) of copper and tin.
She begins with 4 kg of an alloy that is one-half tin. Keeping the amount of copper constant, she adds small amounts of tin to the alloy. Letting x be the total amount of tin added,... more
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05/06/15

How many chairs and tables can they make in one day working with this capacity?
A woodworking shop makes tables and chairs. To make a char, 8 mins is needed on the lathe and 8 mins is needed on the sander. To make a table, 8 mins is needed on the lathe and 20 mins is needed on... more
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05/06/15

y + 2 = f(x + 4)
The graph of y = f(x) = bx, where b > 1, is translated such that the equation of the new graph is expressed as y + 2 = f(x + 4). The domain of the new function is
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05/06/15

Word Problem - Help Please!
If I have 415 transactions and know there are only two types of transactions (H&L) with a total average fee of 1.4 and I know transaction H has an average fee of 1.20 can I calculate the... more
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05/06/15

algebra word problems
Andy and Brian can mow their grandparents lawn in 18 minutes Brian can mow the lawn by himself in 15 minutes more than it would take Andy How long would it take each person to mow the lawn alone
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05/06/15

f(x) = (x-5)(x+4)(x-3)
Find the y-intercept(s), the x-intercept(s), the values of x where f(x)>0, and the values of x where f(x)<0. What are the values of x where f(x)>0? Answer (in interval... more
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05/06/15

a 120 degree sector is cut out of a circular piece of a Tin with radius of 6 in. and vent to form the lateral surface of a cone. what is the volume of a cone
can someone help me figure this out? any help is appreciated, thanks!
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05/06/15

find each man share of the profit of a business if A receives twice as much as B,and B recieve twice as much as C and profit for the year are $35000.
This is a word problem 
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05/06/15

a ship leave a harbor sailing at 28MPH. a plane leaves 6-1/4 hour later. at what rate must it fly to over take the ship in an hour and 15 minutes
This is a word problem 
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05/06/15

I have only done problems like this once or twice and I really need help.
Find (f o g o h)(4)   f(x)= 2x+9   g(x)= 3x2+2x-4   h(x)= 2x3+11  
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05/06/15

Chemistry Help
At a deep-sea station 200.m below the surfaceof the Pacific Ocean, workers live in a highlypressurized environment. How much gas atSTP must be compressed on the surface to fillthe underwater... more
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