ICSE − Q & A

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+ 1 more questions by flarrowfan  

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asked by Gulyaeal (flarrowfan) 8 years ago
0

Very good question -
The sum of the radii of two circles is 84 cm and the difference of their areas is 5544 cm^2. Calculate the radii of the two circles.

+ 2 more questions by yobro57  

Solve the equation 3x^2 - x - 7= 0 Give your answer correct to two decimal places. x= 1.73 or -1.33 is what i am getting.....
asked by Arjun (yobro57) 8 years ago
1

Find the mean proportion between (SquareRoot27-SquareRoot18) and (SquareRoot27+SquareRoot18). I am getting 3..... anyone else?
asked by Arjun (yobro57) 8 years ago
3

How do u guys study maths doing all the questions or just go through all of them ???
I find doing all the questions difficult so can u suggest me away

REVISION PAPER:5(SELINA)
Pg(446) Q 5(a)
Is there something  missing here?

if you forget to write the main question number but you write the sub questions correctly.
Will you lose any marks

Which theorems r important for proving ?? Which ones do we need to learn??

#SelinaBook Are theorems 4,5,6,7,8,19 important?
Are any questions asked from these?

http://www.respaper.com/shreyas25164909/610-pdf.html For 3a)... is the answer 192/343??
In 6c) how can we evaluate without using mathematical tables for finding the value of cos30??
Pls confirm if the answer for 10b is 1366 metre??

http://www.respaper.com/icse/410/1816-pdf.html Question 11a) I have rechecked again and again but I keep getting Summation of FiUi as -16... i don't know whats happening

Simplify K⁴ + k² + 1