.
.
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
804/886
Angles in a polygon 2001-02-17
From Joan:
How many sides does a polygon have if its smallest interior angle is 120 degrees and each sucessive angle is 5 degrees greater than the predecessor?
Answered by Penny Nom.
Percentage increase 2001-02-17
From Bob:
If sales for jan 2001 are 154 vs 105 for 2000 - the increase total presented to my office is +46% - how does that compute. Please give me the equation.
Answered by Penny Nom.
Differentiation of y = x n 2001-02-17
From Jashan:
i am studying differentation at the moment i have drawn some graphs such as y=x 2. i have found the formula for the gradient of this curve, this being 2x obtained by using differentation, but i need to know the general case for the formula where y=xn in order for me to understand this topic more throughly, i would also like to know how u derived this general formula
Answered by Harley Weston.
A four digit number 2001-02-17
From Dean:
Need to find a 4 digit number that can be divided by 2, 3, 4, 5, 6, 7, 8, 9, and will always have a remainder of 1 in the answer.
Answered by Penny Nom.
Triakis 2001-02-17
From Anne Grant:
I am a grade 8 teacher and have come across the term "Triakis" used with Tetrahedron, octahedron, and hexahedron. What does this term refer to, and what's the difference between a triakis polyhedron and one that is not?

I'd also like to know what is meant by the term antiprism, as opposed to prism.


Answered by Penny Nom.
Symmetry 2001-02-15
From Sonam:
What is symmetry?
Who invented symmetry?
what are the different kinds of symmetry?

Answered by Penny Nom.
A quartic equation 2001-02-15
From George:
Let P(x) = x4 + ax3 + bx2 + cx + d. The graph of y = P(x) is symmetric with respect to the y-axis, has a relative max. at (0,1) and has an absolute min. at (q, -3)

a) determine the values for a, b c, and d using these values, write an equation for P(x)
b) find all possible values for q.


Answered by Harley Weston.
A four dimensional object 2001-02-14
From A student:
Can you give me some examples of a four dimensional object you can find around your house?
Answered by Harley Weston.
Linear equations 2001-02-13
From Jamie:
I have a question how do you do linear equation?
Answered by Penny Nom.
Rewrite as an addition problem and Simplify 2001-02-13
From A student:
On my homework sheet it says "Rewrite as an addition problem and Simplify" and the gives this problem "16 - 120 ="
how do i do that problem?

Answered by Penny Nom.
Boulier 2001-02-13
From Un élève:
Comment se sert-on d'un boulier (non asiatique) comportant 10 rangées de 10 boules chacune?
Answered by Claude Tardif.
Books and cars 2001-02-13
From Aquilya:
  1. A pile of books is 96.08cm. If each book is 0.8cm thick. How many books are in th pile?

  2. 2. A car travels 9.84km on 0.6 litres of petrol. How far will the car travel on 3.7 litres of petrol?

Answered by Penny Nom.
L - R 2001-02-12
From A student:
If L = (a-b)-c and R=a- ( b-c), then L-R = ???
Answered by Penny Nom.
An order relation 2001-02-12
From Amy:
What is an order relation?
Answered by Claude Tardif.
Two inequalities 2001-02-12
From A student:
If 3
Answered by Leeanne Boehm.
 
Page
804/886

 

 


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