 |
 |
 |
 |
 |
 |
 |
 |
|
The integral of a to power x squared |
2009-04-28 |
 |
From JIM: WHEN I ATTENDED U.OF T. (TORONTO ) MANY YEARS AGO
WE WERE TOLD THE FOLLOWING INTEGRAL COULD NOT BE
SOLVED : a to power x squared . is this still true ?
CURIOUS , JIM Answered by Robert Dawson. |
 |
 |
 |
 |
 |
|
A two goat problem |
2009-04-27 |
 |
From Michael: if you have a goat tied to a pole at one corner of a square paddock with one length of a side being 24m.
what length must the rope be for the goat tied up to graze half the paddock?
and if another goat is placed on the opposite corner and same length what is the amount of area they share grazing ? Answered by Stephen La Rocque and Penny Nom. |
 |
 |
 |
 |
 |
|
Completing the square |
2009-04-27 |
 |
From Daniel: I tried following an example of yours but I still couldn't figure it out.
Here is my question,
2x^2 - 6x + 1 = 0.
Any help would be greatly appreciated. Answered by Stephen La Rocque. |
 |
 |
 |
 |
 |
|
1 cubic yard of dirt = how many tons |
2009-04-26 |
 |
From jesse: 1 cubic yard of dirt = how many tons give the formula Answered by Harley Weston. |
 |
 |
 |
 |
 |
|
The callaway system |
2009-04-26 |
 |
From Earl: Do you have a formula to enter players scores using the callaway system that calculate each player score after their score is entered? Answered by Victoria West. |
 |
 |
 |
 |
 |
|
An odd shaped lot with a curve to it |
2009-04-25 |
 |
From Chris: Hi - Im trying out to figure out how to calculate the size of an odd shaped lot with a curve to it.
Chris Answered by Harley Weston. |
 |
 |
 |
 |
 |
|
12% of 4 trillion |
2009-04-25 |
 |
From ROBERT: WHAT IS 12% OF FOUR TRILLION Answered by Penny Nom. |
 |
 |
 |
 |
 |
|
2+6+12+20+30+42 |
2009-04-24 |
 |
From fredy: what is the sigma notation for the series 2+6+12+20+30+42? Answered by Stephen La Rocque. |
 |
 |
 |
 |
 |
|
A word problem involving y = mx + b |
2009-04-24 |
 |
From Devon: I need to put the following question in to y=mx+b form
I rent a gym for $150.00 for 30 students. Another time I rent the gym for @270.00 for 70 students. I need to also find a fixed rate. Answered by Stephen La Rocque. |
 |
 |
 |
 |
 |
|
A concrete slab |
2009-04-23 |
 |
From Robin: how much concrete will i need for a slab that is 14' x 18' and 4 inches thick..tried
but still can not figure it out. what i really need to know is how much of each will i need, cement, gravel and sand.
Thanks robin Answered by Harley Weston. |
 |
 |
 |
 |
 |
|
(1+2sinxcosx)/(sinx+cosx) = sinx+cosx |
2009-04-23 |
 |
From Katie: Solve this identity: (1+2sinxcosx)/(sinx+cosx) = sinx+cosx
Thank you ! Answered by Stephen La Rocque. |
 |
 |
 |
 |
 |
|
Negative nine minus 7x = negative 5 |
2009-04-23 |
 |
From gigi: what is negative nine minus 7x = negative 5 Answered by Robert Dawson. |
 |
 |
 |
 |
 |
|
Arrays |
2009-04-23 |
 |
From billie: Ray makes an array that has 4 rows of 4 counters. He wants to make 2 more arrays using the same number of counters.He wants more than 1 counter in each row.What 2 arrays can he make? what 2 can he? What is an array anyway? Answered by Robert Dawson. |
 |
 |
 |
 |
 |
|
Common multiples of 2 and 5 |
2009-04-23 |
 |
From pat: what are the common multiples of 2 and 5, through 30, because i been working on it for hours Answered by Robert Dawson and Stephen La Rocque. |
 |
 |
 |
 |
 |
|
Two airplanes are 300 miles apart |
2009-04-22 |
 |
From afzalsultan: Two airplanes are 300 miles apart and flying directly towards each other.One is flying at 200 miles per hour, and the other at 160 miles per hour.How long will it take for the two planes to meet Answered by Robert Dawson. |
 |
 |