 |
|
|
|
|
|
|
|
|
Equilateral |
2001-01-25 |
|
From A student:
I AM 9 YEARS OLD AND I HAVE HOMEWORK. I WOULD LIKE TO KNOW IF THERE IS SUCH A THING AS A EQUILATERAL SQUARE.
Answered by Penny Nom. |
|
|
|
|
|
|
Rotation |
2001-01-25 |
|
From A student:
If I have a rectangle 2inches long and 4 inches wide and I rotate the rectangle 45 degrees will the length still be 2 inches?
Answered by Penny Nom. |
|
|
|
|
|
|
Conversions |
2001-01-24 |
|
From Tanya:
I have 2 questions - covert 628 kilometers to miles.(round off your answer to two decimal places.)
- a new clerk in your office is to earn $200 per week. If she works 30.5 hours each week, what is her hourly rate? (round off your answer to the nearest hundreth, that is, to the nearest cent.)
Answered by Penny Nom. |
|
|
|
|
|
|
Building a circular silo |
2001-01-24 |
|
From Natasha:
We wish to build a circular silo with internal diameter 10 feet. How much concrete will we need to pour the foundation, if we only need a 1 foot wide and 1 foot deep ring on which the silo walls will sit? Assume the 4 inch thick silo wall rests on the middle of the ring.
Answered by Penny Nom. |
|
|
|
|
|
|
Factoring |
2001-01-24 |
|
From Danielle:
4(x+1)2+y(x+1)
Answered by Penny Nom. |
|
|
|
|
|
|
Factoring a trinomial |
2001-01-24 |
|
From Kyle:
I am an eighth grade student.I can not figure out the following problem. 4x2 + 2x - 20
Answered by Leeanne Boehm. |
|
|
|
|
|
|
14, with 5 ODD numbers |
2001-01-23 |
|
From Robyn Ernst:
How can you get 14, with 5 ODD numbers?
Answered by Claude Tardif. |
|
|
|
|
|
|
Cincinnati to Winston-Salem |
2001-01-23 |
|
From Belinda:
Joan Bedney travels from Cincinnati to Winston-Salem at an average rate of 40 miles per hour and returns at an average rate of 60 miles per hour. What is her average speed for the trip?
Answered by Leeanne Boehm and Claude Tardif. |
|
|
|
|
|
|
1 + 1 = 1 |
2001-01-23 |
|
From Stephanie:
My friend has this as a bonus question the other day and I want to figure it out. I don't know how 1+1 in any form could equal 1. Please let me know how you come about geting that.
Answered by Claude Tardif. |
|
|
|
|
|
|
7x6 by doubling |
2001-01-23 |
|
From A student:
Can you think of a way to use doubling to multiply 6x7?
Answered by Allen Herman. |
|
|
|
|
|
|
What number from 1 to 25 has the most factors? |
2001-01-23 |
|
From John:
What number from 1 to 25 has the most factors?
Answered by Penny Nom. |
|
|
|
|
|
|
0,2,3,6,7,1,9,4,5,8 |
2001-01-23 |
|
From Tami:
What is the sequence of the numbers 0,2,3,6,7,1,9,4,5,8
Answered by Claude Tardif. |
|
|
|
|
|
|
Some algebra |
2001-01-23 |
|
From Thomas:
If a is 4 more than the quotient of b and 3, and if b=2, then what is the value of a?
Answered by Penny Nom. |
|
|
|
|
|
|
The sum of the angles in a polygon |
2001-01-23 |
|
From A student:
What is the sum of the measures (interior angles) in an octagon ... heptagon ... decagon.
Answered by Penny Nom. |
|
|
|
|
|
|
The hypotenuse of a right triangle |
2001-01-22 |
|
From Phillipe:
How do you find the hypotenuse of a right triangle?
Answered by Penny Nom. |
|
|
