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Mathematics: Post your doubts here!

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Hi! umm im having difficulty solving this question,
The scale of a map is 1: 1000. What are the actual dimensions of a rectangle which appears as 4cm by 3cm on the map? What is the area on the in cm^2? What is the actual area in m^2?
RahatMT, this DiscipleDelta, I'm gonna answer your question...

The actual dimensions of the 4x3 rectangle is 4000x3000; simple conversion.
The area on the map in cm^2 is 4*3=12; simple multiplication.
The actual area in m^2 is 1.2*10^7 or 12000000; you have to square the scale as well.

Be free to ask any questions just as I am, I'll help if I can. Out.
 
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add maths:
could any of you please solve it.

question: To an observer in a ship sailing due north at 10 km h , a second ship appears to be sailing due east at 24 km/hr . Find the magnitude and direction of the actual velocity of the second ship. (could you draw a diagram and show)


thanks
 
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Please how to solve question 7 (a) for this paper 0584/42/m/j/12 ?
BTW i need it as soon as possible.:)
 
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Hey guys :D
I have a question in set theory , in the part where n(f) and n(AuD) etc comes . How can i know the difference of n in both the cases ? Sometimes n is the number of elements in the set and sometimes it is the sum of the elements in the set ! Thank you in advance :)
 
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