Pol.science
Question
Maths
March 24, 2019, 10 p.m.
Answer
Speed of boat in still water is 15 km /h . it goes 30 km upstream and return back at the same point in 4 hours 30 minutes. find the speed of the stream.
Maths
March 24, 2019, 9:05 p.m.
Answer
check whether the relation R defined in the set of real numbers are equivalence R={(a,b):|a|=|b|}.
Maths
March 24, 2019, 8:56 p.m.
Answer
A 10m 50cm high vertical pole casts a shadow 6m long find at the same time the length of the shadow cast by another pole 5 m 60 cm high
How to find the radius when height is given using pythogorous theroem