Tuesday
October 21, 2014

Posts by madeline


Total # Posts: 59

Math
1. Determine the equation of the right bisector of the line segment E(2, 6) and F(4, -2). Draw the diagram. 2. Given three points D(2, 5) E(-2, -3) and F(4, -6) determine whether or not the line through D and E is perpendicular to the line through E and F. 3. A triangle is ...
June 30, 2014

English
An aberration is a noun that means something that is not normal or is very typical at all.
May 4, 2014

College Algebra
A farmer needs to build a rectangular corral for his animals. He has 200 yards of fencing available. He needs to make 4 pens. What is the largest corral he can create? (Remember the pens also count as a part of the perimeter, not just the outside of the corral)
February 26, 2014

MATH! continued.......
if you could you please answer a from my previous question that would be greatly appreciated
August 7, 2013

MATH!
What initial investment would I have to make at 6% per year compounded semi-annually in order to end up with $1,000,000 in 29 years if I didn't make any monthly contributions. a) estimate using the rule of 72. Explain how you came up with your estimate. b) calculate exactly.
August 6, 2013

math
so if i have monthly payments i would multiply the monthly payment by 12 then add it to the down payment. correct?
August 6, 2013

math
How do I calculate how much in total (including the down payment) I will have paid for this condo when I know the total amount, the down payment, the mortgage, and the monthly payment?
August 6, 2013

chemistry
At 25 °C only 0.0390 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
April 25, 2013

chemistry
A 3.24-L flask is filled with propane gas (C3H8), at 1.00 atm and -13.5°C. What is the mass of the propane in the flask?
February 14, 2013

Calculus
How do I answer these questions. Please show work. The answers are through the link as a png image. THanks! h t t p : //goo.gl/NNf9A
February 8, 2013

science
compare the formation processes of igneous, sedimentary and metamorphic rocks. in general which process can be the most direct, requiring the fewest number of steps? which can be teh most complex? explain
February 5, 2013

Calculus
The function f(x) is defined as f(x) = -2(x+2)(x-1)^2 = -2(x^3 -3x + 2) on the open interval (-3,3). 1. Determine the x-coordinate of the absolute minimum of f(x) in the open interval (-3,3). Justify your answer. 2. Find all values of x for which f(x) is concave down. Justify ...
January 5, 2013

Calculus
Two particles move along the x -axis. For 0 is less than or equal to t is less than or equal to 6, the position of particle P at time t is given by p(t)=2cos((pi/4)t), while the position of particle R at time t is given by r(t)=t^3 -6t^2 +9t+3. 1. For 0 is less than or equal ...
December 19, 2012

Calculus
Two particles move along the x -axis. For 0 is less than or equal to t is less than or equal to 6, the position of particle P at time t is given by p(t)=2cos((pi/4)t), while the position of particle R at time t is given by r(t)=t^3 -6t^2 +9t+3. 1. For 0 is less than or equal ...
December 19, 2012

Calculus
Two particles move along the x -axis. For 0 is less than or equal to t is less than or equal to 6, the position of particle P at time t is given by p(t)=2cos((pi/4)t), while the position of particle R at time t is given by r(t)=t^3 -6t^2 +9t+3. 1. For 0 is less than or equal ...
December 19, 2012

Calculus
Let f be a twice-differentiable function defined on the interval -1.2 less than or equal to x less than or equal to 3.2 with f(1)=2. The graph of f', the derivative of f, is shown on the right. The graph of f' crosses the x-axis at x=-1 and x=3 and has a horizontal ...
December 19, 2012

Calculus c
Let f be a twice-differentiable function defined on the interval -1.2 less than or equal to x less than or equal to 3.2 with f(1)=2. The graph of f', the derivative of f, is shown on the right. The graph of f' crosses the x-axis at x=-1 and x=3 and has a horizontal ...
December 19, 2012

Calculus
A particle moves along the x-axis with the velocity given by v(t)=3t/(1+t^2) for t >or equal to 0. When t=0, the particle is at the point (4,0). 1. Determine the maximum velocity for the particle. Justify your answer. 2. Determine the position of the particle at any time t...
December 19, 2012

Arrays and an Expanded Algortim
What is 26 x 22
December 4, 2012

math
how can you determine whether a sum of several numbers such as 13plus45plus24plus17 is even or odd?
September 9, 2012

physics
a) w=2pi/3.14x10^7 =2.0010x10^-7 rad/s b) v=rw =(1.51x10^11)(2.0010x10^-7) =3.0215x10^4 m/s c) a=v^2/r =(3.0215x10^4)^2/(1.51x10^11) =6.0461x10^-3 m/s^2 -directed toward the center of the orbit
May 25, 2012

chemistry
At 25 °C only 0.0390 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
February 13, 2012

Chemistry
ln(P1/P2)={-ÄHvap[(1/T1)-(1/T2)]}/R
January 25, 2012

Science
Each gallon of fuel a car uses creates 20 lb of carbon dioxide. A car with good gas mileage means you can drive it farther and longer on each gallon of gas, makeing you burn less fuel,whitch causes less carbon dioxide to be released into the atmosphere.
January 5, 2012

statistics
SOMEONE ANSWER
May 16, 2011

childcare
The observation that children with down syndrome may alternate between periods of gain and functioning and periods of little or no advance is the? A functioning difference hypothesis. B variance hypothesis C.variance observation d.slowing and stablility hypothesis A?
May 7, 2011

kinematics
A tennis ball is hit with a resultant velocity of 70 m/s^-1 at 20 degrees. What are the vertical and horizontal velocities?
April 17, 2011

Math
Thank you so much!!
December 29, 2010

Math
How do I write 5/16ths as a decimal??
December 29, 2010

Math
If Kate sang a note every 2 seconds and Gaby sang a note every 6 seconds and Laney sang a note every 16 seconds, how often would they all sing at the same time?
December 29, 2010

Math
Thanks!!
December 29, 2010

Math
How would 19/3 be a mixed number?
December 29, 2010

calculus
A 6-foot man walks away from a 16-foot lamppost at a speed of 5 ft/sec. Find exactly the rate at which his shadow is increasing in length.
December 11, 2010

physics
The displacement from the equilibrium caused by a wave on a string is given by: y(x, t) = (-0.00200 m) sin [40 m-1)x – (800 s-1)t]. What are the number of waves in 1 m
December 7, 2010

physics
A car traveling 72.0 km/h along a straight, level road is brought uniformly to a stop in a distance of 40.0 m. If the car weighs 8.8 x 103 N, what is the braking force?
December 7, 2010

physics
A car traveling 72.0 km/h along a straight, level road is brought uniformly to a stop in a distance of 40.0 m. If the car weighs 8.8 x 103 N, what is the braking force?
December 7, 2010

physics
A source of sound (1200 Hz) emits uniformly in all directions. An observer 2.99 m from the source measures a sound level of 41.1 dB. Calculate the average power output of the source.
December 6, 2010

physics
A source of sound (1200 Hz) emits uniformly in all directions. An observer 2.99 m from the source measures a sound level of 41.1 dB. Calculate the average power output of the source.
December 6, 2010

Physics
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to six times her weight as she goes through the dip. If r = 20.0 m, how fast is the roller coaster ...
October 24, 2010

Physics
A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 32 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 140 m), the block swings toward the outside of the ...
October 23, 2010

English
Why is it important to discuss the author of a book and the background of the author to students?
September 19, 2010

Physics
A bowling ball weighing 71.2 is attached to the ceiling by a 3.50 rope. The ball is pulled to one side and released; it then swings back and forth like a pendulum. As the rope swings through its lowest point, the speed of the bowling ball is measured at 4.20. 1)At that instant...
June 27, 2010

Geometry
4x+1+2x+3+2x=44
January 20, 2010

4th grade
5*3=15
November 19, 2009

chemistry
What number of electrons fit into energy levels higher than the third level?
November 9, 2009

SOCIAL STUDIES
HOW DOES THE WIND EFFECT THE CLIMATE AND HOW DOES WATER EFFECT THE CLIMATE
August 11, 2009

Math/Algebra
Thanks so much for your help
March 22, 2009

Math/Algebra
Sorry I have a mistake where it says 2x on the left saide and in side the square, square is supposed to be rectangle.
March 22, 2009

Math/Algebra
Could someone please help me with this problem. I posted it yesterday but the teacher who tried to help me didn't know what I was fully talking about and I hope you can. Directions: Find the area of each shaded region in simplest form. (Imagine a medium rectangle that has ...
March 22, 2009

Reiny
Do understand what I mean now?
March 21, 2009

Math
You know how when you have a right angle in the corner... well that's what the box that has 3 on the top and 2 on the left side is.
March 21, 2009

Math
I need help with this problem. (Just imagine a small square with 5x-1 at the top of the square, 2x on the left side of the square and in the right hand corner of the square there is a box on the top is a 3 and on the left side is a 2.) You have to figure it out the area of ...
March 21, 2009

Math
I mean -3x
March 20, 2009

Math
Is the answer -4x
March 20, 2009

Math
I need help with this problem. Directions: Write each equation in slope interccept form x+y=-4
March 20, 2009

Math/Algebra
Can you please help me with this question. Use a model to find (a+b+c)^2
March 20, 2009

6th grade
desalinatinwatter?
January 12, 2009

Geography
what does irrigation and desalinating water?
January 12, 2009

algebra
Solve each formula for the indicated variable. S=2pi symbolr squared+pi symbolrh
July 30, 2008

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