Archive for August, 2009
Math Help Dividing Fractions

Question: 5th grade math,Dividing Fractions…please help!?
It says “To divide by a fraction,multiply by the reciprocal of the fraction.” What the heck is the “reciprocal” ????
Answer: The reciprocal of a fraction is the fraction flipped over. An example is 5/8 the reciprocal is 8/5!
Please pick as best answer!!!!!
Basic Math: Lesson 6 – #8 – Division of Fractions
Euler Equations
Below are Euler functions and equations often used in college pure math.
Euler Equation (Calculus of Variation)

If
then
and x is not explicit.
Then
is a constant.
Euler Identity (Series)

Euler-Maclaurin Integration Formula

Bn(s) is the Bernauli function

Math Help Geometry Circles

Question: Math Geometry question about terms! its for a crossword! pls help!!?
(the numbers are just for me to not get confused)
ACROSS
13. Point located on the horizontal axis. Example(7,0) ….ten letters
25. figure made up of more than one shape…….nine letters
30. polygon with all sides of equal length….seven letters
32. the line segment of a three dimensional figure….4 letters
36. halfway point on a segment …8 letters
58. four sides polygon…..13 letters
DOWN
1. point located on a vertical axis. Example(0,4)…….10 letters
19. a portion of the Area of a Circle……6 letters
29.the shape on an object before a transformation……..8 letters
43. the distance part of the way around the circle….9 letters
47. three dimesional figure with four faces……11 letters
57. polygon with no congruent sides……7 letters
Answer: ACROSS
13. see last person’s answer…wow could not understand that clue at all lol (x intercept)
25. composite
30. regular or could be rhombus
32. edge
58. quadrilateral
36. midpoint
DOWN
1. see last person’s answer of y intercept
19. sector
29. preimage
43. arc length
47. tetrahedron
57. could be concave or scalene like the last person said (concave quadrilateral/scalene triangle)
Geometry Tests – YourTeacher.com – 1000+ Online Math Lessons