Thanks for the quick reply!!! I think the reason I was confused with factoring the denominator is because my book does not refer to the rational roots test in prior sections, so I would never had known how to factor it anyway. Thus far it has only demonstrated factoring by common monomial, special p...
A plane is 40 miles (horizontally away from an airport) flying at a constant altitude of 4 miles. The radar at the airport determines that the distance from the plane to the radar dish is changing at 240 mph. Determine the speed of the plane.
Hey there Purplemath! I need some help setting up the problem: A rain gutter is to be constructed from a long 30 cm wide sheet of metal by bending two sides upwards at and angle of theta so that each of the sides and bottom is 10 cm wide. Determine the angle theta so that the cross-sectional area of...