Question

The number of non-zero solutions of the equation {{x}^{2}}-5x-\left(sgn x \right)6=0x 2
−5x−(sgnx)6=0

Answer 1

Answer:

The denominator of the fraction is one more than twice the denominator. The sum of the fraction and its reciprocal is 2 16/21, find the fraction.A dealer professing to sell at cost price uses a 900-gram weight for a kilogram. What

is his gain percent?

9

11.11

Speed = 5 km/h

Time = 15 min = 15/60 = 0.25

Length = Distance = 5 * 0.25 =1.25 km =1.25 * 1000 = 1250 m

Length of bridge = 1250 m