03/02/15

diamonds have a density of about 4 g/ml how big is a diamond that has a mass of 1 gram?
It is a word problem
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03/02/15

Given that f(x)= 3x^2-15x+11, find all value of x such that f(x)=11
Given that f(x)= 3x^2-15x+11, find all value of x such that f(x)=11
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03/01/15

solving by linear combination
4X+3y=-10 2X+y=4
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03/01/15

whats the exact value of (cot240) (tan240)
whats the exact value of (cot240) (tan240)
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03/01/15

Finding points on graph
find all points having an x-coordinate of 4 whose distance from the point (-4,2) is 10. Find all the points.     not sure how to find the points
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02/28/15

solve by linear combination
4X +y =-11 3X-y=-3
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02/28/15

System of equations
hardcover books are four dollars each and paperback books are 2 dollars each. A person spends $26 for 8 books how many hardcover books did she purchase 
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02/21/15

Identify the solution(s) of the system of equations, if any -2x-4y=1, 12y=-6x-3
Identify the solution(s) of the system of equations, if any -2x-4y=1, 12y=-6x-3
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02/21/15

The product of two consecutive integers is 30. What are the numbers?
 show work for better comprehension please  
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02/21/15

How to solve and what method for 0=3x^2-4x+12
Solve the quadratic equation  method used and why
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02/21/15

donna is 12 years younger than his brother. In 2 years she will be 14 years more than half as old as her brother how old is each now?
Donna is 12 years younger than his brother. In 2 years she will be 14 years more than half as old as her brother how old is  each now?
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02/21/15

using slope and y intercept
The equation that describes the amount of garbage in a landfill site is G=4000 + 300d, where G stands for the amount of garbage measured in tonnes and d stands for the number of days starting from... more
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02/21/15

imagine with a line equation y=2x+3. The line is made up three times as steep? and then the whole line slides down four units.what is its equation now
imagine with a line equation y=2x+3. The line is made up three times as steep? and then the whole line slides down four units.what is its equation now
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02/20/15

how to solve attached
http://assets.openstudy.com/updates/attachments/54e7c765e4b08080d2e478e8-nickymail48-1424476031871-13.png
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02/20/15

how to solve attached
http://assets.openstudy.com/updates/attachments/54e79874e4b08080d2e42b9f-nickymail48-1424464001833-ssaa.png
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02/20/15

Write a function A representing the area I the base of the box in terms of x.
You use a rectangular piece of cardboard measuring 20 in. by 30 in. to construct a box. You cut squares with sides x in. from each corner of the piece of cardboard and then cold up the sides to... more
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02/20/15

solar panel charges in 2 hours at 50,000 lux how long will it take to charge at 806000 lux
just want to figure out how long it would take to charge a battery through a solar panel at that illumination 
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02/20/15

probability of geometric figures
i have a square with a circle inside it. measurement on the outside are length 20cm  width 20cm what is the probability that a dart will land in the shaded region.. the circle is the shaded region  
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02/19/15

Determine the measures of two supplementary angles if the measure of one angle is three and one half times lager than the measure of the other angle
Can not figure out the problem it is asking and I do not know how to set it up.
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02/19/15

Derivatives of ex and ln x
An example in my textbook goes as follows: f(x)=ln e3x     = 3x f'(x) = 3   I understand that the derivative of 3x is 3, that the derivative of ex is ex, ,and that the derivative of ln x is 1... more
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02/19/15

probability with ratios
the ratio of cashews to peanuts in a mixed bag is 2 to 3.l There are 11,871 peanuts in the mixed bag. How many total nuts were there in the bag?
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02/18/15

In the xy-coordinate plane, the distance between point A (7,9) and point B (4,y) is 5. What is one possible value of y?
Please help!
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02/18/15

the difference of quotient of g(x)
G(x)=2x^2+5 What is the difference of quotient of g(x)=  
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02/18/15

Can someone help me with what is probably a very simple word problem?
On Monday, two hundred twenty students went on a trip to the zoo. All five buses were filled and five students had to travel in cars. How many students were in each bus? 
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02/18/15

the answer to this is what
5s-7/10s-9
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