Hanu

Most popular questions and responses by Hanu
  1. Math

    800 people will attend a concert if tickets cost $20 each. Attendance will decrease by 30 people for each $1 increase in the price. The concert promoters need to make a minimum of $12 800. What is the range of ticket prices the concert promoters can charge

    asked on June 7, 2013
  2. Pre-Calculus

    How to solve this problem by using logarithm: David inherits $10000 and invests in a Guaranteed Investment Certificate (GIC) that earns 6%, compounded semi-annually. How long will it take for the GIC to be worth $11000.

    asked on April 12, 2014
  3. earth

    a space traveller determines the radius of a planet to be half of earth . After landing on its surface , he finds the acceleration due to gravity to be twice of that of surface of earth. Find the ratio of mass of planet to the earth

    asked on September 19, 2012
  4. Pre-Calculus

    Solve sin (pi/4(x-6))=0.5, 0

    asked on January 11, 2014
  5. Physics

    A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

    asked on September 17, 2012
  6. Math

    A young Colorado spruce tree is growing at a rate of 20 cm per year. Currently, it is 244 cm tall. A 300 cm tall white spruce tree is growing at a rate of 12 m per year. In how many years will the two trees be the same height? Solve algebraically

    asked on April 30, 2012
  7. Math

    a young Colorado spruce tree is growing at a rate of 20 cm per year. Currently, it is 244 cm tall. A 300 cm tall white spruce tree is growing at a rate of 12 m per year. In how many years will the two trees be the same height? Solve algebraically

    asked on April 29, 2012
  8. Pre-Calculus

    Here is correct question: Solve sin (pi/4*(x-6))=0.5, 0

    asked on January 11, 2014
  9. Physics

    A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

    asked on September 16, 2012
  10. Physics

    a) Why are there no units attached to values of μ? b)A force of 120 N is needed to push a box along a level road at a steady speed. If the force of gravity on the box is 250 N, what is the coefficient of kinetic friction between the box and the road?

    asked on September 29, 2012
  11. Physics

    (a) A 10 kg box of candy rests on a floor with a coefficient of static friction of 0.30. What force is needed to move the box? b) What is the coefficient of kinetic friction between a rubber tire and the road if a 2000 kg car needs 1.57 × 104 N to keep

    asked on September 29, 2012
  12. Physics

    A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

    asked on September 16, 2012
  13. Math

    Factor 3x^2-16X+K and find the value of K.

    asked on April 10, 2012
  14. Physics

    a) The coefficient of kinetic friction between a steel block and an ice rink surface is 0.0100. If a force of 24.5 N keeps the steel block moving at a steady speed, what is the force of gravity on the block? b)A copper block has dimensions 1 cm × 2 cm ×

    asked on September 29, 2012
  15. Physics

    a) What is the total force of friction on a wagon’s wheels if it takes 30 N to move it at a constant speed across a bumpy path? b) Where on a bicycle do you want to reduce friction? How is this done? c What is meant by the coefficient of kinetic

    asked on September 29, 2012
  16. Physics

    A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

    asked on September 17, 2012
  17. Math

    Factor 3x^2-16X+K and find the value of K.

    asked on April 14, 2012
  18. Math

    A conical paper cup for holding popcorn has a radius of 3 in. and height of 6 in. How much paper, to the nearest square inch, is used to make the cup?

    asked on March 22, 2012
  19. Math

    A conical paper cup for holding popcorn has a radius of 3 in. and height of 6 in. How much paper, to the nearest square inch, is used to make the cup?

    asked on March 21, 2012
  20. Math

    simplify using the exponent law. express your answer using positive exponents only. (x^2)^3(2x^3)^-3/(4x)^2

    asked on March 18, 2012
  21. Pre Calculus

    Determine an approximate solution to the inequality 2^x=x^2.

    asked on May 3, 2014
  22. Pre Calculus

    Solve the inequality sinx>square root x.

    asked on May 3, 2014
  23. Physics

    A 48 N cart is pulled across a concrete path at a constant speed. A 42 N force is required to keep the cart moving. What is the coefficient of kinetic friction between the path and the cart?

    asked on September 29, 2012
  24. Math

    Given the graph of y = g(t), determine the value of t for which g(t) = −3 . Answer as an integer.

    asked on June 3, 2012
  25. Math

    A sheet music cabinet is 1.4m wide, 45 cm deep and 1.5m high. What is the surface area of the cabinet, not including the open front? Express your answer to the nearest tenth of a square metre.

    asked on March 22, 2012
  26. Math

    A sheet music cabinet is 1.4m wide, 45 cm deep and 1.5m high. What is the surface area of the cabinet, not including the open front? Express your answer to the nearest tenth of a square metre.

    asked on March 21, 2012
  27. Math

    Factor 15a^5-5a^2

    asked on March 21, 2012
  28. Math

    Simplify using the exponent law. Express your answer using positive exponents only. [4x^1/3]^1/2 [9x]^-3/2 / [27x]^-1/3

    asked on March 19, 2012
  29. CHM

    what is meant by the term "free calcium"?

    asked on September 29, 2014
  30. Math

    How can we factor trinomial: 36x^2+18x+0 Is thislike this: 18x(2x+1)

    asked on June 13, 2012
  31. Math

    Simplify 5^1/3 /2(3)^1/2 - 2^1/2

    asked on April 24, 2012
  32. Math

    Simplify 5^1/3 /2(3)^1/2 - 2^1/2

    asked on April 24, 2012
  33. Charu

    Simplify 8.3^1/2 /( 6^1/2 + 5^1/2)

    asked on April 21, 2012
  34. Math

    To which set of numbers does 13.274... belong? and Why? A) whole B) integer C) rational D) Irrational

    asked on April 21, 2012
  35. math

    Simpliy (x^a-1)^3 / (x^2a)(x)

    asked on April 21, 2012