walt

Most popular questions and responses by walt
  1. math

    How much work does a 120 pound boy do in climbing to the top of the Washington Monument - a climb of 550 feet? If the climb in problem 2 takes 20 minutes, what is the average horsepower produced by the boy?

    asked on March 30, 2008
  2. Art History

    How do the Parthenon and Ise Shrine relate to their worshipers in different ways using ritual processions and ceremonies? How does accessibility to the inner portions of both complexes reflect their different political systems?

    asked on February 23, 2008
  3. math

    Write a function rule for the area of a rectangle whose length is 5 ft more than its width. What is the area of the rectangle when its width is 11 ​ft? Write a function for the area A of the rectangle using the independent variable width W.

    asked on March 19, 2018
  4. Math

    What is the y-intercept of y = 2/3x + 2? I have to write it out but how? A line has a slope of 1/2 and passes through the point (0,5). What is the equation of the line? A)y = 1/2x + 5 B)y = 1/2x - 5

    asked on January 15, 2016
  5. math

    A 3000 pound car is pushed 500 feet by three boys. A force of 60 pounds is required to move the car. How much work did the boys accomplish? How much work can each boy claim if he did his share?

    asked on March 30, 2008
  6. Math please.

    What is the y-intercept of y = 2/3x + 2? I have to write it out but how? A line has a slope of 1/2 and passes through the point (0,5). What is the equation of the line? A)y = 1/2x + 5 B)y = 1/2x - 5

    asked on January 15, 2016
  7. Math

    Can you check my work Please? Let N(t) be the number of bacteria after t days. Then N(t) = Pa^t for some constants P and a. Measurements indicate that N(4) = 5600 and N(8) = 362, 000 1. Write down the formula for N(t) using the rounded values of a and P.

    asked on February 14, 2012
  8. Math

    Can you Check my work please? Let N(t) be the number of bacteria after t days. Then N(t) = Pa^t for some constants P and a. Measurements indicate that N(4) = 5600 and N(8) = 362, 000. b. Write down two equations for P and a, one when t = 4 and the other

    asked on February 13, 2012
  9. Chemistry

    How many 9.5 gram ice cubes will you have to put into 500 ml of water to cool the water from 22°C to 18°C?

    asked on November 14, 2011
  10. math

    The head of a round piston has a pressure of 210 psi pushing down on it. The piston is 3 inches in diameter. What is the force pushing the piston down?

    asked on March 30, 2008
  11. Calculus, derivatives

    Derivative of y=(a^x)+(x^a). Show steps, please.

    asked on June 27, 2015
  12. Math

    I want to build a landscaping block garden oval with twelve inch blocks. I want the second row to come out even. How would I figure this out.

    asked on April 27, 2013
  1. Math please.

    1. +2 2. y = 1/2x + 5 .. I had -5 3. y = x + 1 4. y = -4x + 4. 5. y = -2x + 7 thanks !

    posted on January 15, 2016
  2. Math please.

    1. is -2?

    posted on January 15, 2016
  3. Math

    its -2

    posted on January 15, 2016
  4. Math

    It's y = two-thirds x + 2

    posted on January 15, 2016
  5. Chemistry

    Which of the following statements describes why ion exchange of 99% SiO2 - 1% B2O3 in a salt bath of molten postassium chloride (KCl) is not an effective way to increase the surface strength of the glass sample? The ion exchange works correctly, however

    posted on October 30, 2013
  6. Math

    Yes, it was from yesterday, sorry if I should've just put this in that post. But thanks a bunch for checking my work.

    posted on February 14, 2012
  7. Epidemiology

    You are right but I'm having some difficulties

    posted on April 19, 2011
  8. math

    A 3000 pound car is pushed 500 feet by three boys, a force of 60 pounds is required to move the car. How much work did the boys accomplish? How much work can each boy claim if he did his share?

    posted on March 30, 2008