11/27/12

area enclosed by a parametric curve
Since integrating for area under a parametric curve requires a known direction, is there a way to determine the direction (clockwise/counterclockwise) of a parametric curve without plugging in... more
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11/27/12

A 9.00 kg hanging weight is connected by a string over a pulley to a 5.00 kg block that is sliding on a flat table.
If the coefficient of kinetic friction is 0.230, find the tension in the string. http://www.webassign.net/sb5/p5-49.gif    
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11/26/12

the mass of 1.2x10^37 molecules of an element is 1.56x10 grams. what is the mass of en element molecule?
what is the mass of the element that i have written above?
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11/26/12

(2x)2 - 9x - 4 = o
What is the value of the discriminant for this equation?
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11/26/12

1/1-cosx+1/1+cosx=2csc^2x
Prove the Trigonometic identity
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11/26/12

(3x^4-6x^3-5x+10)/x-2
Solve with long division
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11/26/12

find the vertex of y=2x^2-3x+3
find the vertex, axis of symmetry,the intercepts, the domain,and the range of y=2x^2-3x+3
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11/25/12

the total number of points scored in a basketball game was 110. The home team scored 77. What percentage of the points were scored by the home team
Percentages. what is the percentage the home team got if they scored 77 shots out of 110 possible points
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11/25/12

what are the solutions to 1/x^2-4=6/x
how do you solve?
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11/25/12

how do i factor 3x^2-x-2
  finding the roots of the quadratic equation  
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11/25/12

How do you factor x^2(x+2)-(x+2) ?
Factor in quadratic form.
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11/25/12

Find the points where the following graph has a vertical tangent line
Find the points where the following graph has a vertical tangent line. 4x2 + y2 -8x + 4y + 4=0
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11/25/12

the derivative of y=sin(5x)cos(2x)
Find the derivative of the function. 
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11/25/12

8 pipes can fill a tank in 27 minutes. How long will it take to fill the tank if 2 pipes go out of order?
 I need the answer in minutes, hours, etc and need the steps too.
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11/24/12

Last Question hopefully .. Physics
A 9.00 kg hanging weight is connected by a string over a pulley to a 5.00 kg block that is sliding on a flat table (Fig. P5.49). If the coefficient of kinetic friction is 0.162, find the tension in... more
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11/24/12

secx-tanxsinx=1/secx
Directions ask to prove the identity
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11/23/12

ploddie: d= 2.4+0.75t quaddie: d= .2t(t-5.1) Cubie: d= .2t(t-5)(t-9.1)
three tortoises are running a 10 meter race. Each runner has her/his own function for the race: (functions above) create a graph and table of the race. determine who is winner ans the runner up.... more
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11/23/12

what is the slope-intercept form for (8,0),m = -3
what is the equation of the line that passes through the given point and has the given slope. what is the slope-intercept form  
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11/23/12

Using triangle congruencies, prove why the construction of an angle bisector works.
in paragraph or two column proof
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11/23/12

Physics question. Using Free Body Diagrams
A 3.00 kg block starts from rest at the top of a 28.0° incline and slides 2.00 m down the incline in 1.45 s. (a) Find the acceleration of the block. (b) Find the coefficient of kinetic friction... more
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11/22/12

Physics Question (Too big to fit in this box)
Two blocks on a frictionless horizontal surface are connected by a light string, where m1 = 11 kg and m2 = 22 kg. A force of 80 N is applied to the 22 kg block. (a) Determine the acceleration of... more
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11/20/12

Peter and Ray built a bike ramp from 20 sheets of 4ft. X 8ft.
Peter and Ray built a bike ramp from 20 sheets of 4ft. X 8ft. plywood and propped it up on one end with some bricks. The finished ramp is rectangular. Show 3 ways they might have arranged the wood... more
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11/20/12

how do you find interior and exterior angles
it is geometry chapter five
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11/20/12

Writing expressions
The average # of tea drinkers in the year 2000 was 12.5 million and the average # of coffee drinkers was 16 million.  During the next 3 years, the # of tea drinkers would increase an average of 5... more
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11/19/12

3x^2-x-2 factor
how to factor the equation
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