01/17/14

Find the volume?
The region in the first quadrant between the x-axis and the graph of y=6x-x^2 is rotated around the y-axis. The volume of the resulting solid of revolution is given by   a) ∫ pi(6x-x^2)^2 dx from... more
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01/17/14

Compound Interest and Exponential Functions
How much money should you put in a savings account now that earns 5% a year compounded daily if you want to have $32,000 in 18 years?    Would my formula be right going off the model... more
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01/16/14

compare and contrast the difference between finding the arc length of a circle and finding the area of a sector of a circle
compare and contrast the difference between finding the arc length of a circle and finding the area of a sector of a circle
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01/16/14

what is 5x+7=32
i ma trying to work this out but i cant????
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01/16/14

I Need MAJOR HELP i dont know how to do any of these our long term sub can not explain to me in away i understand please help!
Okay so my sheet say, "write the equation for each parabola in standard form and finf the vertex of the parabola"   My Equations are like this:   1.  y=(x+4)(x-2)  
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01/16/14

What is the maximum number of unit squares that can touch each other?
i have tried it but not sure
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01/16/14

maths help
the question is - How many times in a day is it impossible to tell the time by a clock with identical hour and minute hands, provided we can always tell whether it is a.m. or p.m.? What happens if... more
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01/16/14

if there are 7 cubes and 3 cubes on one side of the scale and 2 cups and 23 cubes on the other side , how many cubes must be in each cup to maintain the balanc
explanation:     equation:   solution:
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01/16/14

if there are 3 cups and 8 cubes on one side of the scale and 7 cups and 4 cubes on the other side , how many cubes must be in each cup to maintain balance
Explantion:   equation:   Solution
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01/16/14

if 3 cups and 10 cubes are on one side of the scale and 16 cubes are on the other side, how myany cubes must be in each cup to maintain the balance?
explanation:   Equation:   solution:
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01/15/14

i am trying to find potential and kinetic energy of a pendulum
i found the pe the mass was .1 kg x 9.8 gravity height .155 m the question is calculate the ke of pendulum at its lowest point using the formula mgh=1/2mv2
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01/15/14

What is 637.7 divided by 21 using a decimal instead of a remainder?
Simplify the following using decimals instead of a remainder   637.7/21
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01/15/14

Write eauation of the line that is parallel to given line y=x+3 (5,0) and y = 2x+3 (-4,1)
If possible please both quickly
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01/15/14

How do I go about factoring this? (-7y^4 + 9 - 9y^2) - (6 - 2y^4)
I simply am not grasping enough of the content that I have been trying to absorb for about five hours.
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01/14/14

Find the x-intercept and y intercept. 3y=4x-12
Find the x intercept and y intercept for each equation.  3y=4x-12
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01/14/14

Lauren saved $84 more than Fiona. 1/5 of Laurens savings was the same as 3/8 of Fionas savings. How much did Lauren and Fiona save altogether?
Lauren saved $84 more than Fiona.  1/5 of Lauren was the same as 3/8 of Fiona's savings.  How much did Lauren and Fiona save altogether?
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01/14/14

A home stereo depreciates by 20% each year. What’s the value of a stereo, purchased new for $1,200, after two years?
I need to know how to breakdown this equation. It's a multiple choice on a practice test and I am stuck on percentages. I did 1200x.40=480.00 but that is not one of my answer choices. Please give... more
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01/14/14

Statistics Questions
1. How do you solve for median if the given data is even? For example: 3,1,2,3,1,1 (these given data is even.) 2. When do you use the formula n+1/2 (for odd number) and n+2/2 (for even numbers)?... more
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01/14/14

Is (10, 2) a solution to this system of equations? y = 5x 2x + y = 14
i don't know this answer can you help me?    
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01/13/14

select the approxiate value of x that is solutions for (x)=0 value f(x)=-3x^2+2x+8
select the approxiate value of x that is solutions for (x)=0 value f(x)=-3x^2+2x+8
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01/13/14

select the approxiate value of x that is the solution to f(x)=0 where f(x)=-9x^2+6x+7
select the approxiate value of x that is the solution to f(x)=0 where f(x)=-9x^2+6x+7
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01/13/14

If m and n stand for integers then 2m and 2n stand for even integers. Use the distributive property to show that the sum of any two even numbers is even
I need help please!
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01/13/14

solve 9x+2=3/4(2x+11)
I had difficulty trying to solve this problem, if you could help that be great. Thank you!!!
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01/13/14

solve the equation
(1/x-2)2+(2/x-2)-15=0 solve the above equation
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01/13/14

solve the equation
2x4-11x2+12=0 solve the above equation.
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