.
.
Math Central - mathcentral.uregina.ca
Quandaries & Queries
Q & Q
. .
Fresh off the press   Here are the newest items
added to Quandaries & Queries:
. .
start over

 
Page
474/886
8x^3 + 4x -3 2007-10-02
From Indrajit:
8x^3 + 4x -3
Answered by Stephen La Rocque.
Golf pairings 2007-10-02
From Mike:
Regarding arranging golf players so no person plays with anyone more than once. You have given examples for 16 and 24 players. If it can be done, i need a solution for 20 players, 4 players per team one round per day for 5 days
Answered by Victoria West.
The equation of a parabola 2007-10-02
From srujana:
Can we find the equation of the parabola when only two points on it are known and neither of them is the focus nor the vertex?
Answered by Harley Weston.
Find the area of the traingle 2007-10-02
From Indrajit:
The perimeter of a triangle is equal to the perimeter of a semicircle of radius 35 cm.The ratio of the triangles is 5:6:7. Find the area of the triangle? [pie = 22/7]
Answered by Stephen La Rocque.
What is the taxable amount? 2007-10-02
From Mark:
If I know the amount of GST or PST collected is there a calculation to find out what the taxable amount was.
eg. 1.50 GST collected. GST is 6%. What is the taxable amount.
eg. 2.00 PST collected. PST is 8%. What is the taxable amount.

Answered by Stephen La Rocque.
The amount of dirt 5 feet deep over a 50 acres 2007-10-02
From Debbie:
Please tell me how to calculate the amount of dirt stripped 5 feet deep over a 50 acre site. How do you calculate the amount of dirt in an acre and then excavating it a certain depth. How does one calculate the amount of dirt excavated and moved and how to price to charge for the service?
Answered by Stephen La Rocque and Victoria West.
Equivalent mixed numbers 2007-10-02
From negra:
an average-sized person can burn about 6 1/2 calories a minute while ridinng a bike. Which of the following is equivalent to that amount?
a) 1 2/2

b) 5 6/2

c) 6 2/4

d)6 2/6

Answered by Stephen La Rocque and Penny Nom.
How do you calculate work when force is negative? 2007-10-02
From Snigdha:
how do you calculate work when force is negative?
Answered by Stephen La Rocque.
Motion along a line 2007-10-02
From Claudette:
If the position function of a particle is x(t) = sin^2(2t), find the distance that the particle travels from t = 0 to t = 2
Answered by Harley Weston.
How many ten thousands makes one million? 2007-10-02
From Payton:
how many ten thousands makes one million?
Answered by Penny Nom.
Irrational functions 2007-10-01
From alicia:
i have a question about irrationals functions.
i have been using them quite some time now, but i wonder where they can be found in daily life?
i hope you can help me,

Answered by Harley Weston.
Equation of a circle circumscribing a triangle with given vertices 2007-10-01
From Randy:
How do I determine the equation of a circle when it is circumscribed by a triangle whose vertices are (-1, 6), (3, -2), and (2, 5)?
Answered by Stephen La Rocque.
3 times x to the power -2 2007-10-01
From Jennifer:
The problem is 3 times x to the power -2.

I was just supposed to simplify, and I have no idea how.

Answered by Penny Nom.
how do you get 9^5-9^4/8 to equal 9^4 2007-10-01
From nathen:
how do you get 9^5-9^4/8 to equal 9^4
Answered by Stephen La Rocque.
4 number combinations 2007-10-01
From Steve:
How many 4 number combinations are possible with a total of 24 numbers. No two numbers can be in the same group twice. Is there a matrix I can set up to get all the combinations? Thanks
Answered by Victoria West.
 
Page
474/886

 

 


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.

CMS
.

 

Home Resource Room Home Resource Room Quandaries and Queries Mathematics with a Human Face About Math Central Problem of the Month Math Beyond School Outreach Activities Teacher's Bulletin Board Canadian Mathematical Society University of Regina PIMS