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Three letter combinations |
2008-08-15 |
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From Shelbie:
How many 3 letter combinations are possible, if you can repeat each letter?
I learned an easy way to do this in school, but fail to remeber what that was...
Answered by Penny Nom. |
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22 cubic feet |
2008-08-14 |
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From julio:
how to measure to get 22 cubic feet, do i need the
Height
Length
width
Answered by Penny Nom. |
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How do you solve for x when (x^4)-x is greater than or equal to 0? |
2008-08-14 |
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From Katie:
How do you solve for x when (x^4)-x is greater than or equal to 0?
Answered by Penny Nom. |
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Is zero a perfect square? |
2008-08-14 |
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From peter:
is zero a perfect square?
Answered by Penny Nom. |
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Coefficients, Like Terms, and Constants |
2008-08-14 |
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From Maddie:
How Would I Answer This Problem?
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Coefficients |
Like Terms |
Constants |
| 3x+7 |
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| 4m+(-3n)+n |
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| 6kp+9k+kp-14 |
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| -8y+6ab+7-3ba |
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| c+2c+c-5c+1 |
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I Would Really Appreciate It If You Could Help Me
Sincerely,
Maddie
Answered by Penny Nom. |
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[f(x)-f(1)]/(x-1) |
2008-08-14 |
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From katie:
Evaluate (if possible) the function of the given value of the independent
variable:
f(x)=(x^3)-x:
[f(x)-f(1)]/(x-1)
Answered by Penny Nom. |
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How many city blocks in a mile? |
2008-08-14 |
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From DARLENE:
HOW MANY CITY BLOCKS EQUAL 1 MILE IN BIRMINGHAM, AL?
Answered by Penny Nom. |
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Similar triangles |
2008-08-12 |
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From ramarao:
D is a point on side BC of a triangle ABC such that BD/CD=AB/AC. prove that AD is the bisector
AD is the bisector of BAC
Answered by Chris Fisher. |
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Percent difference |
2008-08-12 |
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From mike:
What is the percent difference between two homes if one is worth $525,000
and the other is $425,000. (525,000 - 425,000 = 100,000)
Answered by Penny Nom. |
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Graphing a piecewise function |
2008-08-12 |
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From Shanti:
how do you graph a step function or piecewise function such as
u^2 if u is greater than or equal to -2 and less than 1
2- u if u is greater than or equal to 1 and less than 4
Answered by Penny Nom. |
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BEDMAS |
2008-08-12 |
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From Rebecca:
I have 3 questions.
1) I don't really understand BEDMAS.Im going in to the 6th grade and im
kind of nervis about it.?
2)When you're doing BEDMAS what does the small 3 or 2 above the
other numerals mean?
3)How would you answer this:5+2 x 9 - 9 x 12= ??
Answered by Janice Cotcher. |
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The volume of a ditch |
2008-08-12 |
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From John:
Question from John:
I am trying to figure out how much flowfill I will need for a ditch that we are digging out. The ditch is 300' long and is 4' deep on one end and 2' deep on the other end. We are going to dig this ditch out and replace it with a flowfill concrete material. How much flowfill material will we need or what is going to be the volume of this ditch?
Answered by Penny Nom. |
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How many decimeters are in a meter? |
2008-08-11 |
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From Julia:
How many decimeters are in a meter?
Answered by Penny Nom. |
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Algebra |
2008-08-10 |
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From Reasat:
How to understand algebra?
Answered by Stephen La Rocque. |
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The base of a triangle |
2008-08-10 |
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From Mark:
What is the formula I need to use to find the base of a triangle sail that is 16 feet high and has an area of 64 square feet.
Answered by Stephen La Rocque and Penny Nom. |
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