Nurudeen ismaila

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The following questions were asked by visitors named Nurudeen ismaila.

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The following answers were posted by visitors named Nurudeen ismaila.

1) Sn= n/2 (a + l ) 250=10/2 (-20+l) 250=(-200+10l)/2 250 x 2= -200+10L 500=-200+10L 500+200= 10L 700=10L L= 700/10 L=70
3 years ago