Qualification > Math

IGCSE MATHS Doubts

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Vin:
ALways ..

multiplication / addition
LB = LB + LB
LB = LB* LB
UB =UB + UB
UB = UB*UB

subtraction/divsion
LB = LB -UB
LB = LB/UB
UB = UB - LB
UB = UB/LB

correct me if im wrong..

thenewkid™:
may/june 2009 p2 q18 variant 1

and

 oct/nov 2009 p2 q4 variant 1

pls Thanks

Adzel:

--- Quote from: thenewkid™ on May 11, 2010, 11:19:52 am ---may/june 2009 p2 q18 variant 1

and

 oct/nov 2009 p2 q4 variant 1

pls Thanks

--- End quote ---

Ans Q18 (a)   1080           33
                  ------- =  -------- = 320 cm3
                      s             23

          
            (b)      s             32
                  ------- =  --------  = 567 cm2
                    252            22  
 

Ghost Of Highbury:

--- Quote from: thenewkid™ on May 11, 2010, 11:19:52 am ---may/june 2009 p2 q18 variant 1

and

 oct/nov 2009 p2 q4 variant 1

pls Thanks

--- End quote ---

ans 4)     5x^1.5
         ----------------
                 8
        -----------------
                x^-5/2
        -------------------
                  2

X



Answer : 1.25x4

Adzel:
Q11 (b)

Q14 (b)

Q19 (b)

Q22 (b)

+explaination please...thanks

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