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santosh
Questions (6)
rewrite the following sentence using necceserry punctuation marks why didnt you leave what did you want to come here for
6 answers
356 views
from a pack of 52 cards two cards are drawn without replagement.find out the probability that first is of heart and secod is
0 answers
354 views
a solid cube of side l floats on water with 20% of its volume under water. Cubes identical to it are piled one by one on it.
1 answer
1,220 views
The greatest area of the following
(a) The radius of circle is 4 (b) The square of diagonal is 4 (c) The square of side is 4
1 answer
402 views
If 2tanA+cot A=tan B, then prove that 2tan(B-A)=cot A
0 answers
398 views
complete the simile
the rock stood....
3 answers
798 views
Answers (6)
thanks mate
Why did'nt you leave? What did you want to come here for. Somebody said ' "I could'nt help it- I could'nt help it, pottered moaned.
sir i need to do with out calculator............it is an exam problem so plz suggest me any other method
cos theta/2 is positive and sin(-theta) is negative
3(X+Y=5XY) 3X+2Y=13XY 3X+3Y=15XY ------(1) 3X+2Y=13XY ------(2) ---------- SUBTRACT (1)-(2) Y=2XY CANCEL Y ON BOTH SIDES => 2X=1 =>X=1/2 FROM EQUATION --(1) 3Y=15XY-3X 3Y=3(5XY-X) CANCEL 3 Y=5XY-X =>5XY-Y=X =>Y(5X-1)=X -----(3) NOW SUBSTITUTE X IN EQUATION
he has 25 one rupee coins and 25 two rupee coins together he has 50 coins with total amount of 75 rupees 1*25+2*25=25+50=75 rupees
