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I need help with these problems can someone please help me with them ASAP please and thank you

I need help with these problems can someone please help me with them ASAP please and-example-1
User Howy
by
2.8k points

1 Answer

23 votes
23 votes

#33


\\ \sf\longmapsto (300(300+1))/(2)


\\ \sf\longmapsto (300(301))/(2)


\\ \sf\longmapsto 150(301)=45150

#34


\\ \sf\longmapsto (500(500+1))/(2)


\\ \sf\longmapsto 250(501)


\\ \sf\longmapsto 125250

#35


\\ \sf\longmapsto (675(675+1))/(2)


\\ \sf\longmapsto dfrac{675(676)}{2}


\\ \sf\longmapsto 675(338)


\\ \sf\longmapsto 228150

#36


\\ \sf\longmapsto (825(825+1))/(2)


\\ \sf\longmapsto (825(826))/(2)


\\ \sf\longmapsto (825(413))/(1)


\\ \sf\longmapsto 340725

#37

n=102/2=51


\\ \sf\longmapsto n^2


\\ \sf\longmapsto 51^2


\\ \sf\longmapsto 2621

#38

n=49+1/2=50/2=25


\\ \sf\longmapsto n^2


\\ \sf\longmapsto 25^2


\\ \sf\longmapsto 625

#39

n=999+1/2=1000/2=500


\\ \sf\longmapsto n^2


\\ \sf\longmapsto 500^2


\\ \sf\longmapsto 250000

User Lele
by
2.8k points