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The radius of a planet 2008-01-06
Ben pose la question :
Two people who are both h feet tall are standing on a spherical planet. One person walks a distance d in feet away from the the other person. At this point, the person walking turns around and can no longer see the top of the other persons head. What is the radius of the planet?
Stephen La Rocque and Harley Weston lui répond.
Partial fractions 2008-01-06
taiwo pose la question :
i copied the question below from john bird's higher engineering mathematics fourth edition (pg 19) after solving all the partial fraction questions from the book except this:

x^3 + 4^2 + 20x - 7 over (x-1)^2 (x^+8). i will appreciate it if you help me out so i can know whether their answer is correct. thanks alot

Harley Weston lui répond.
The area of a piece of property 2008-01-05
Greg pose la question :
I need to know the area of a six sided piece of property. I sent a map by regular mail.
Harley Weston lui répond.
One trillion divided by 2,600,000 2008-01-05
Carlton pose la question :
If you divide one trillion by 2,600,000 what is the answer?
Penny Nom lui répond.
What is the speed of the plane in still air? 2008-01-05
oscar pose la question :
A plane flies 400 miles with the wind and 340 miles against the wind in the same length of time. If the speed of the wind is 24mph, what is the speed of the plane in still air?
Penny Nom lui répond.
The height of a triangle 2008-01-04
Dara pose la question :
The area of a triangle is 54m2. If its base is 5m, find its height.
Penny Nom lui répond.
The shortest distance to a line 2008-01-04
nana pose la question :
3y+4x-12=0 is the equation of the line AB on a graph......the line AB joins both y and x axises together.....point A is on y axis and its value is 3....point B is on x axis and its value is 4.....Question : from point O(0,0).find the point ont the line AB
Stephen La Rocque lui répond.
A tangent to a circle 2008-01-04
adam pose la question :
Find a>0 so that the line y=x+a is a tangent to the circle x^2 +y^2=2.
Stephen La Rocque and Harley Weston lui répond.
Factoring x^2 + 25 2008-01-04
Geri pose la question :
what does x squared plus twenty five factor out to?
Penny Nom lui répond.
Surds 2008-01-04
INDRAJIT pose la question :
SUBJECT: SURD How do I simplify this expression with surds in the denominator? INDRAJIT INDIA
Stephen La Rocque lui répond.
Protecting a carrot patch 2008-01-03
Kate pose la question :
A farmer has a problem with rabbits and skunks in his rectangular carrot patch that is 21m^2 in area. Determine the dimensions that will require the least amount of fencing if a barn can be used to protect one side of the garden.
Stephen La Rocque lui répond.
The 5% GST 2008-01-03
Kim pose la question :
If I have spent $1700 what portion is GST now that the rate has dropped to 5%?
Stephen La Rocque lui répond.
What length of hose will I need? 2008-01-03
Justin pose la question :
I have one cubic yard of liquid that I want to convert to a cylindrical volume with the inside dimensions being 3/4 of an inch. I am trying determine what the height/length would be to set these equal. i.e. What length of hose will I need (with an inside diameter of 3/4") in order to accommodate exactly one cubic yard of liquid?
Penny Nom lui répond.
Percentage of an acre 2008-01-03
Christine pose la question :
Given that an acre is 43,560 sq/ft; If a piece of property is 19,506 sq/ft, What percentage of an acre is it?
Stephen La Rocque lui répond.
Retail hiring in Britain 2008-01-03
ROGI pose la question :
major hiring in retail in BRITAIN,ACCORDING TO MORE IN STORE ARE ASFOLLOWS:9,000 AT SAFEWAY; 5000 AT BOOTS; 3400 AT DEBENHAM; AND 1700 AT MARKS AND SPENCER. WHAT IS PROBABILITY THAT THE A RANDOMLY SELECTED NEW HIRE FROM THESE WAS HIRED BY MARKS AND SPENCER?
Penny Nom lui répond.
 
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