How does mandela descrive the system of his country.
(1)in the first decade and (2) in the final decade of the twentieth century
why this 2 go in numerator but according to fraction rule 2 in denomimatorA CFL tube light stays lit for 6000 hours while a normal bulb stays for 1000 hours.If a shop requires 3 CFLs in a year.How many bulbs would it need in a year?
A CFL tube light stays lit for 6000 hours while a normal bulb stays for 1000 hours.If a shop requires 3 CFLs in a year.How many bulbs would it need in a year?
the focus of a parabolic mirror is at a distance of 6 cm from the vertex. if the mirror is 20 cm deep ,find the vertical diameter of the mirror.
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