Thursday
October 2, 2014

Posts by Hanu


Total # Posts: 35

CHM
what is meant by the term "free calcium"?
September 29, 2014

Pre Calculus
Determine an approximate solution to the inequality 2^x=x^2.
May 3, 2014

Pre Calculus
Solve the inequality sinx>square root x.
May 3, 2014

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.
April 12, 2014

Pre-Calculus
Here is correct question: Solve sin (pi/4*(x-6))=0.5, 0<x<360
January 11, 2014

Pre-Calculus
Solve sin (pi/4(x-6))=0.5, 0<x<360
January 11, 2014

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 and still make at ...
June 7, 2013

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?
September 29, 2012

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?
September 29, 2012

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 × 4 cm. A ...
September 29, 2012

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 friction?
September 29, 2012

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 the car moving at ...
September 29, 2012

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
September 19, 2012

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 travelling after 4.00 s...
September 17, 2012

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 travelling after 4.00 s...
September 17, 2012

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 travelling after 4.00 s...
September 16, 2012

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 travelling after 4.00 s...
September 16, 2012

Math
How can we factor trinomial: 36x^2+18x+0 Is thislike this: 18x(2x+1)
June 13, 2012

Math
Given the graph of y = g(t), determine the value of t for which g(t) = −3 . Answer as an integer.
June 3, 2012

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
April 30, 2012

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
April 29, 2012

Math
Simplify 5^1/3 /2(3)^1/2 - 2^1/2
April 24, 2012

Math
Simplify 5^1/3 /2(3)^1/2 - 2^1/2
April 24, 2012

Charu
Simplify 8.3^1/2 /( 6^1/2 + 5^1/2)
April 21, 2012

Math
To which set of numbers does 13.274... belong? and Why? A) whole B) integer C) rational D) Irrational
April 21, 2012

math
Simpliy (x^a-1)^3 / (x^2a)(x)
April 21, 2012

Math
Factor 3x^2-16X+K and find the value of K.
April 14, 2012

Math
Factor 3x^2-16X+K and find the value of K.
April 10, 2012

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.
March 22, 2012

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?
March 22, 2012

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?
March 21, 2012

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.
March 21, 2012

Math
Factor 15a^5-5a^2
March 21, 2012

Math
Simplify using the exponent law. Express your answer using positive exponents only. [4x^1/3]^1/2 [9x]^-3/2 / [27x]^-1/3
March 19, 2012

Math
simplify using the exponent law. express your answer using positive exponents only. (x^2)^3(2x^3)^-3/(4x)^2
March 18, 2012

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