 |
 |
 |
 |
 |
 |
 |
 |
|
The volume of a box |
2008-09-16 |
 |
From Andre: volume of the box cubic centimeters
____ X _____ X ______ X =_______
The length is 8.5 Width is 3.4 Answered by Penny Nom. |
 |
 |
 |
 |
 |
|
Exponential form |
2008-09-16 |
 |
From shawn: Write the product in exponential form: 5.5.5.2 Answered by Penny Nom. |
 |
 |
 |
 |
 |
|
What is the derivative of (2^sinx)/(logbase4(2x+1))? |
2008-09-16 |
 |
From Jesse: What is the derivative of (2^sinx)/(logbase4(2x+1)) Answered by Harley Weston. |
 |
 |
 |
 |
 |
|
Cubic yards and quarts |
2008-09-16 |
 |
From Mary: I need 2 yards of soil, how many quarts is this? Answered by Penny Nom. |
 |
 |
 |
 |
 |
|
Domain and range |
2008-09-16 |
 |
From Cara: Please help me to find the domain and range of the following function:
F(x)=sin(2x) Answered by Harley Weston. |
 |
 |
 |
 |
 |
|
The Intermediate Value Theorem |
2008-09-16 |
 |
From A.: When dealing with the intermediate value theorem you have the function x^2. It bounces on the axis so you can't tell if lies on the interval [a,b]. So is the ivt proven false or does the ivt not tell you all the roots for sure. Answered by Harley Weston. |
 |
 |
 |
 |
 |
|
Finding the Pattern in a Sequence |
2008-09-16 |
 |
From sjp: please could you help me find the nth term for
8 4 0 -4 -8
and
-4 -1 4 11 20
Thank you Answered by Janice Cotcher. |
 |
 |
 |
 |
 |
|
Limit as it Approaches a Constant |
2008-09-16 |
 |
From Brooks: what is the limit as x approaches 10 for f(x) = sqrt(x-1) = 3 pleeeeeaase help me out here Answered by Janice Cotcher. |
 |
 |
 |
 |
 |
|
Making a mental picture from measurments |
2008-09-16 |
 |
From hannah: I am writing an essay for an english class and we are supposed to make a mental picture for other readers.
I am writing about a fire that occured in 2003 that grew to be 61,776 acres.
To show a reader just how big that was i was wondering if it is possible to find out how many football fields
would be in 61,776 acres. Answered by Janice Cotcher. |
 |
 |
 |
 |
 |
|
Solving Exponential Equations Using Logarithms |
2008-09-15 |
 |
From Todd: 7(6^x)=6e^-2x Answered by Janice Cotcher. |
 |
 |
 |
 |
 |
|
The Width of a Mown Strip of Lawn |
2008-09-15 |
 |
From Rimi: USE FACTORING, QUAD FORMULA, AND COMPLETE THE SQUARE!
Chris cuts half a rectangular lawn, 40m by 30m, by mowing strips
of equal width around the perimeter. Jonah cuts the small rectangle
left. How wide a strip does Chris cut so that they share the work equally? Answered by Harley J Weston. |
 |
 |
 |
 |
 |
|
Finding the Side of an Octagon |
2008-09-15 |
 |
From Nivra: I wondered how to find the wall length of an octagon shaped house from the square footage (1250 sq.ft.). Answered by Janice Cotcher. |
 |
 |
 |
 |
 |
|
The nth term of a sequence |
2008-09-13 |
 |
From lavett: what is the Nth term in the sequence when the sequence is 2,4,8,16... and the term numbers are 1,2,3,4... Answered by Stephen La Rocque. |
 |
 |
 |
 |
 |
|
A 5% raise each year for 20 years |
2008-09-13 |
 |
From marie: In his first year, a math teacher earned 32,000. Each successive year, he earned a 5% raise. How much did he earn in his 20th year? What were his total earnings over the 20-year period Answered by Stephen La Rocque. |
 |
 |
 |
 |
 |
|
A multiple choice exam |
2008-09-13 |
 |
From Phalange: A multiple choice exam consists of 12 questions, each having 5 possible answers. To pass, you must answer at least 9 out of 12 questions correctly. What is the probability of passing if:
a. You go into the exam without knowing a thing, and have to resort to pure guessing?
b. You have studied enough so that on each question, 3 choices can be eliminated. But then you have to make a pure guess between the remaining 2 choices.
c. You have studied enough so that you know for sure the correct answer on 2 questions. For the remaining 10 questions you have to resort to pure guessing. Answered by Harley Weston. |
 |
 |