(1/x-2)2+(2/x-2)-15=0 solve the above equation

(1/x-2)2+(2/x-2)-15=0 solve the above equation

2x4-11x2+12=0 solve the above equation.

x2- 3/2 what number should be added to make the binomial a perfect square trinomial?

Two runners, starting at the same time, run towards each other from opposite ends of an 8 mile trail. One runner is running at a rate of 5 mph, and the other is running at a rate of 7 mph. How long...

Allen buys 16 yards of nylon carpet and 20 yards of wool carpet for $1840. A second purchase, at the same prices, includes 18 yards of nylon carpet and 25 yards of wool carpet for $2200. Find the...

A row boat team travelled with the current 36 miles in 2 hours. Coming back against the current, it took 3 hours to cover the same distance. Find the rate of the rowers in calm water and the...

Jane travelled 1080 miles by jet and then an additional 180 miles by helicopter. The rate of the jet was four times the rate of the helicopter. The entire trip took a total of 5 hours. Find the rate...

A small air conditioner can cool a room 5 degrees in 75 minutes. A larger air conditioner can cool the room 5 degrees in 50 minutes. How long will it take to cool the room 5 degrees with both air...

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