Reshma

1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone? 2)A pyramid has a square base of side 12cm and a height of 15cm .Calculate its volume and total surface area?

A company owns office cars worth a total $587,000.The cars are depreciated by 12% of a year .For 10 year what is the expected value of the cars at the end of 10 years ?

1) the scale of map is 1:1000 .what is the area ,in cmsquare,on the map of a lake of area 5,000msquare? 2)the scale of a map is 1cm to 5km .a farm is represented by a rectangle measuring 1.5 cm by 4cm. what is the actual area of the farm

1) on a map of scale 1cm to 250m the area of car park is 3cm^2.what is the actual area of the car park in hecares(1 hectare= 10,000m^2) 2)The area of the playing surface at wembly stadium is 3/5 of a hectare . what area willit occupy on a plan drawn to a...

on a map of scale 1:20,000 the area of forest is 50cm^2 .on another map the area of forest is 8cm^2.find the scale of the second map.

If x is real then the maximum value of x2+14x+9/x2+2x+3 is

right is right answer.

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