Geometry/Experts

Recent Answers

2009-11-05 geometry:

The measure of the angle is X. The angles compliment is 90°-X. The problem states that X = 3(90°-X). That works out to X = 270° - 3X. Add 3X to both sides and you get 4X = 270°. Divide both

2009-11-03 Calculus I - Various:

Hi George, 2. To find the 30th derivative, begin by finding the first few. f(x)=cos(2x) f'(x)=-2sin(2x) f''(x)=-4cos(2x) f'''(x)=8sin(2x) f''''(x)=16cos(2x) There is a pattern. Odd derivatives

2009-11-01 Finding Dimensions Given Area:

Hi Shamara! Ultimately, your final formula will depend on the shape. You need an equation for area in terms of base and length. Suppose you're dealing with a rectangle. I'll use l for length and

2009-10-31 Geometry Story Problem:

Give one of the two sides that are equal length x. The length of the other side that is the same length is also x. The length of the third side is x/2. Add them up and we get x + x + x/2 = 5x/2.

2009-10-30 making a problem with the properties of lines and angles:

Lets play pick up sticks. Suppose they all dropped. In the way they dropped, two of them were parallel and two were perpendicular. There was also one pointing right at you (that's the vertical).