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Exterior square footage of a dome 2008-08-19
Richard pose la question :
I have to gold leaf a dome with a circumference of 29'. What would the exterior square footage be?
Penny Nom lui répond.
Angular & Linear Speed from a Sine Graph 2008-08-19
Kim pose la question :
Kim, a student: I am given a graph with a wave. The amplitude is 5cm and the period is 4cm. I am suppose to find the angular speed. What I need to know is the formula for angular speed and how do I use these numbers to get the correct answer.
Janice Cotcher lui répond.
Factoring x^2 + 729 2008-08-19
peter pose la question :
hello I,am having trouble factorising a polynomial into polynomial factors with real coefficients please can you help the polynomial is x^2+729
Harley Weston lui répond.
The intersection of the medians 2008-08-18
Katie pose la question :
Q: A Triangle is positioned with one side on the x-axis, the coordinates for the triangle are (-a,0), (a,0), (b,c)

a) Find the coordinates of the point of intersection of the perpendicular bisectors of the sides
b) Find the coordinates of the point of intersection of the medians
c) Find the coordinates of the point of intersection of the altitudes

Penny Nom lui répond.
Subdividing a chord 2008-08-18
austin pose la question :
Here is my question. Imagine I have a circle of known radius 25 feet, and a chord with a mid point height of 6 inches from a central point on the chord to the circumference of the circle. I wish to divide this chord into a number of equal divisions. How can I calculate the measurement of the perpendicular line at each division of the chord to the circumference and at a 90 degrees at each division
Penny Nom lui répond.
A 3% increase 2008-08-18
RENEE pose la question :
I need to know how to do a 3 percent increase for $118,200......x's it by 3% will not work please answer fast
Penny Nom lui répond.
A string around the world 2008-08-18
Terry pose la question :
I heard this on T.V. and was wondering if it was true. Place a string around the world, you would need 25,000 miles of string. If you raised the string off of the ground by 1 foot all the way around. How much more string would you need?
Penny Nom lui répond.
Joining vertices in a polygon 2008-08-18
Megan pose la question :
I'm trying to develop a relationship between the number of points of a regular polygon and the
(a) number of lines you could draw between those points,
(b) number of triangles you could draw,
(c) number of quadrilaterals,
etc.

Penny Nom lui répond.
Metres and miles 2008-08-18
Bill pose la question :
I enter a race that is 10,000 meters long,how many miles do i have to run?
Victoria West lui répond.
Solving for Shared Height of Two Right Triangles 2008-08-17
Heidi pose la question :
find the height of a triangle, which can be split into two right triangles, but the base (50m) is not split equally in half. one end of the base is 40 degrees, while the other is 30 degrees.
Janice Cotcher lui répond.
TRIG IDENTITIES 2008-08-17
VINCE pose la question :
HOW DO YOU SIMPLIFY THE FOLLOWING:- 2sin3(theta)cos3(theta)? Regards
Harley Weston lui répond.
y^2+3yz-8z-4z=0 2008-08-17
Rae pose la question :
y^2+3yz-8z-4z=0
Penny Nom lui répond.
Similar Triangles Given a Median 2008-08-17
RAM pose la question :
Sides AB , AC and median AD of a triangle ABC are respectively proportional to PQ PR and median PM of another triangle PQR. Show that ABC is similar to PQR
Janice Cotcher lui répond.
A triangular field 2008-08-15
joneka pose la question :
Barb walked five times aroun a triangle field all together she walked 435 feet the first side of the triangle fiel is 23 feet the length of the other two sides are of the same measure. What are the dimensions of the triangle field?
Penny Nom lui répond.
Converting to cubic yards 2008-08-15
Lisa pose la question :
I need to convert 32,000 square feet, 5 inches deep to cubic yards. Can you help me? Thank you
Harley Weston lui répond.
 
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