936,720 minutes is equal to how many years?
plan traveled 470 mph with the wind and 430 mph againest the wind .Find the speed of the plane in still air and the speed of the wind
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The sum of the interior angles of a polygon is 1980 degrees. How many sides does the polygon have?
A bookcase is 1.98 meters tall and its shelves are 33 centimeters apart. how many shelves are in the bookcase?
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1. I’m having problems with my math. Can you help me? All I need is an example just to make sure I'm on track.
- Solve the following
- a) 3/(n+1)-1/(n+1)=14/(n^2-1)
- b) 1/(y-1 )+y/(1-y)
- d) (x-2)/(8x-24)*(5x-15)/(x^2 -4)
- e) z/(z-1)+1/2=3/z
- f) (x-3)/(x^2+2x-15)-(4-x)/(x^2-9x+20)
- 2. How do I set up this problem? An exam contains five "true or false" questions. How many of the 32 different ways of answering these questions contain 3 or more incorrect answers?