02/17/15

please help
container 20 feet long, 10 feet tall and 10 feet wide that is full of gravel. How could you determine how much the rock weighs without the container with minimal effort?*    
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02/17/15

2xsquare equal to 6x
2xsquare equal to 6x?  How to do?
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02/16/15

Total of 8 items made in an 18 hour day, TV 3.5, radiio 1.5; how many radios made in the 18 hours
Total of 8 items in 18 hours TV 3.5 hours to make Radio takes 1.5 hours to make How many radios were made?
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02/16/15

What is this all about? no one in my group can get close ! whoever can get this is a genius!
The Game of Nim is played with two people using three piles of sticks. Toothpicks are usually the most convenient. THe game starts with an arbitrary number of sticks in each pile. Each player in... more
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02/16/15

Discrete Math
There are 100 students majoring in engineering. There are three math classes offered to theengineering student's this semester: Calculus, Discrete Math, and Statistics. 28 students take theCalculus... more
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02/15/15

creative math question - help! beyond my skills!
Bedtime Crumblies is testing a recipe for a new line of snack crackers.30 people each sample four recipes labeled A,B,C and D. and rank them 1st, 2nd, 3rd, and 4th in order of taste preference.... more
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02/15/15

find the rate of each exercise when you cycle for 12 mph and runs at a rate of 8 mph. if she spends 7.5 hours and covers a total of 82 miles.
intermediate algebra
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02/15/15

average velocity
You drive a car 6 h at 45 km/h, then 6 h at 60 km/h.   What is your average velocity?   What is your average velocity if you drive a distance of 315 km at a speed of 45 km/h, then the same... more
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02/13/15

system of equations: total value and Mixtur Problems
etch clean graghics  use some clenser that is 25% acid and a secound that is 50% acid. How many liters of each should be mixed to get 30L of a solution that is 40% acid?
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02/12/15

I'm having trouble approaching this problem. The problem says: differentiate with respect to t: y=bcost+t^2sint.
The chain rule has been giving me problems. Maybe some tips on carrying the chain rule through? 
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02/12/15

Samantha is 1 of 17 students in a class of 85 who have decided to pursue a business degree. What is the probability of drawing Samantha’s name one week?
Samantha is 1 of 17 students in a class of 85 who have decided to pursue a business degree. Each week, a student in the class is randomly selected to tutor younger students. Choose the letter for... more
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02/12/15

mixing word problem
A shop is mixing assorted nuts with dried fruit to create trial mix. If the nuts sell for $6 a  pound and the dried fruit sells for $4 a pound, how many pounds of each should be mixed to get 20... more
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02/11/15

Venn Diagram
Of the 150 juniors in a high school, 97 have taken the ACT. 54 of those who took the ACT were boys, and 20 of those who didn't take the ACT were boys. How many junior girls did not take the ACT?... more
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02/11/15

Qestion in description
A jar contains nickels, dimes, and quarters. There are 105 coins with a total value of $8.40. If there are 3 more than twice as many dimes as quarters, find how many of each coin are in the jar.
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02/11/15

[read below] total of $40. Each boy had the same amount of money and spent $7.50 on a ticket. How much money did each
Miguel and three of his friends went to the movies. They originally had a total of $40. Each boy had the same amount of money and spent $7.50 on a ticket. How much money did each boy have left... more
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02/11/15

Factor out x^1/2
x^7/2-x^1/2 ;x^1/2   Factor the indicated monomial from the given expression
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02/11/15

Find the weighted average of the exams
There are 350 possible points in your philosophy class. These points come from 5 homework sets, each worth 10 points, and 3 exams, each worth 100 points. A student has the following homework... more
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02/11/15

Sally's high school played eighteen football games this year and two were at night. deafeated four games, how many did they win?
it is based on mixed fraction word problems
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02/11/15

how to solve
Brian McDevitt, REAL suspect in the robbery of the ISG Museum, went on an odd shopping spree the day before the heist.  He bought a black jacket, a policeman-style cap, and rubber gloves.  He also... more
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02/11/15

how long does it take giselle to paint a barn by herself?
katy can paint a barn in 6 hours by herself giselle and katy working together can paint a barn in 2.4 hours? how long does it take giselle to paint a barn by herself?
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02/11/15

What is the square root of 185 rounded to the nearest thousandth.
What is the square root of 185?
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02/11/15

950 total:eleven more 10 dolar bills than 50 dollar they had two more than two times as many 20 dollar bills as 50 dollar bills how many of each did they have?
950 dollars total:eleven more 10 dollar bills than 50 dollar bills they had two more than two times as many 20 dollar bills as 50 dollar bills how many of each did they have?
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02/11/15

Simplify the expression
Simplify the radical expression. The variable represents a positive real number. 3 cuberoot of -81x^9
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02/11/15

i need help on this question
What is the slope-intercept form of the function that contains the point (3, 4) and has a slope of 2? y =  x+   y=mx+b
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02/11/15

Bully buys 3 raw hide treats and 2 beef-flavored bones and pays $1.78. He exchanges a beef-flavored bone for another raw hide treat and has t
Bully buys 3 raw hide treats and 2 beef-flavored bones and pays $1.78. Changing his mind, he exchanges a beef-flavored bone for another raw hide treat and has to pay an additional 16 cents. What is... more
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