PEG
Most popular questions and responses by PEG
physics
A simple lever is used to lift a heavy load. When a 60N force pushes one end of the lever down 1.2 m, the load rises 0.2 m. Show that the weight of the load is 360 N.
asked on May 19, 2014 
Science Physics
Madison pushes with a 160N horizontal force on a 20kg crate of coffee resting on a warehouse floor. The force of friction on the crate is 80 N. Show that the acceleration is 4 m/s2.
asked on May 17, 2014 
physics
A rocket of mass 100,000 kg undergoes an acceleration of 2 m/s2. Show that the net force acting on it is 200,000 N.
asked on May 17, 2014 
physics
Consider a pulse of laser light aimed at the Moon that bounces back to Earth. The distance between Earth and the Moon is 3.84 * 108 m. Show that the roundtrip time for the light is 2.56 s.
asked on May 31, 2014 
physics
Show that 480 W of power is expended by a weightlifter when lifting a 60kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.
asked on May 19, 2014 
algebra
2. How many pounds of chocolate worth $1.20 a pound must be mixed with 10 pounds of chocolate worth 90 cents a pound to produce a mixture worth $1.00 a pound? What Do I Know? What Do I Want to Know? Assign Variables Write a verbal Model: How Do I Find the
asked on November 17, 2010 
work test
ryan discounts an 80day note for $15,000 at 12 percent. the bank discount is: (assume ordinary interest)
asked on December 19, 2012 
algebra
How many solutions does the following system have: 6x  3y = 9 2x  y = 3 Explain how to determine the number of solutions without solving the system. Then apply elimination, and interpret the resulting equation. could you please explain this to me?
asked on March 2, 2011 
Math
In the tradition of their Native American ancestors, Decorah Custom Canoes specializes in creating handcrafted canoes using the finest natural materials. Whether they are from birch bark or cedar, all canoes are custombuilt from native wood. Each piece is
asked on July 19, 2014 
algebra
2. How many pounds of chocolate worth $1.20 a pound must be mixed with 10 pounds of chocolate worth 90 cents a pound to produce a mixture worth $1.00 a pound? What Do I Know? What Do I Want to Know? Assign Variables Write a verbal Model: How Do I Find the
asked on November 17, 2010 
physics
Why do the passengers in highaltitude jet planes feel the sensation of weight while passengers in the International Space Station do not?
asked on May 19, 2014 
algebra
Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each
asked on March 24, 2011 
algebra
Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each
asked on March 23, 2011 
algebra
expression undefined 1/(2x^2  50) Could you please show me how to do this? thank you
asked on March 11, 2011 
PLEASE HELP
Simplify the following algebraic expressions: Evaluate; P(1/2) if P(x)= 2X^4 + X^3 + 12
asked on March 9, 2011 
algebra
Simplify the following algebraic expressions: Evaluate; P(1/2) if P(x)= 2X^4 + X^3 + 12
asked on March 9, 2011 
algebra
Graph the following equation: clculte the slope, xintercept, and yintercept, and label the the intercelts on the graph. problem: Find an equationin slopeintercept form passing through the points (2,5) and ( 7,3). (2+5)/(7+ 3) = 7/4 so y = (7/4)x +b
asked on February 27, 2011 
algebra
Sales tax in Pennsylvania is 6%. Create an equation for the total price (cost plus tax) of a purchase in PA in terms of its cost. How much would a person pay for a car whose cost is $32,000? PAY = COST + 0.06 * COST P=C(1+1.06) P=1.06C P= (32,000)=
asked on February 27, 2011 
algebra
The final grade for a particular course is calculated by dividing total points earned by total points available. There are 120 points available in the first half of the course, and 140 points in the second half of the course. If a student earns 81% in the
asked on February 21, 2011 
Help
In the tradition of their Native American ancestors, Decorah Custom Canoes specializes in creating handcrafted canoes using the finest natural materials. Whether they are from birch bark or cedar, all canoes are custombuilt from native wood. Each piece is
asked on July 28, 2014 
Science Physics
Sophia exerts a steady 40N horizontal force on a 8kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.
asked on May 17, 2014 
math
the function h(x)=1/98x^2 h(x) is the height of part of a rollercoaster track, when x is the horizontal distance in feet from the center of this section of the track the tower that supports the this part of the track are the same height and are 150 feet
asked on December 21, 2013 
algbra
Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each
asked on March 23, 2011 
algebra
Graph the following equation: clculte the slope, xintercept, and yintercept, and label the the intercelts on the graph. problem: Find an equationin slopeintercept form passing through the points (2,5) and ( 7,3).
asked on February 27, 2011 
Economics
What economic impact does a recession have on the finances on a health care facility? On the health care system? Could you direct me to a web site
asked on September 20, 2011 
algebra
Determine whether each binomial is the difference of two square. If so, factor it. If not, explain why. m^6
asked on March 22, 2011 
algebra
Graph the following equations; calculate the slope, xintercept, and yintercept, and label the intercepts on the graph. Find the area of a rectangle if three of its corners are (0.1,3.4), (7.9,3.4), and (0.1,6.8).
asked on February 28, 2011 
ALGEBRA
Sales tax in Pennsylvania is 6%. Create an equation for the total price (cost plus tax) of a purchase in PA in terms of its cost. How much would a person pay for a car whose cost is $32,000? PAY = COST + 0.06 * COST P=C(1+1.06) P=1.06C P= (32,000)=
asked on February 26, 2011 
office procedure
you can place overseas calls directly if your company has the proper connection for
asked on May 3, 2010 
algebra
Determine whether each binomial is the difference of two square. If so, factor it. If not, explain why. m^6
asked on March 22, 2011 
Math
2independant alternators. probabalitity one will fail in a 1 hour flight is .02 what is the probablility both will
asked on July 24, 2010

math algebra 1
Amy is running a race. She runs 7 miles at 11.12 per mile. How many hours does she run?
posted on September 5, 2016 
Science
Convection currents
posted on March 29, 2013 
algbra
So if you saw my posting earlier why wouldn't you answer it, I just didn't plug it in because I wanted to for my health. I needed help that what I though you were here for not sarcism. I can't help the problem the professor gives me to work with, you may
posted on March 23, 2011 
PLEASE HELP
ok that I did put wasn't sure thank you
posted on March 10, 2011