gracious391 gracious391
  • 02-06-2018
  • Mathematics
contestada

what is the sum of odd positive integers less than 50

Respuesta :

durgachetri678 durgachetri678
  • 02-06-2018
S= n/2[2*a+(n-1)*d
Where n=number of terms,a=first term,d=common difference
Putting the values,
S= 25/2[2*1+(25-1)*2]
So the answer is 625
Answer Link

Otras preguntas

Which tool was invented in the Iron Age?A. ruddersB. wheelC. axD. potter's wheel
how did the northern colonies became diverse in the late 17th and early 18th century
what does the french word “porter” mean in english?
Sara and jenny can both do flips in the air. the ratio to the number of flips that sara can do to jenny is 3:8. jenny can do 120 more flips than sara. if sara i
For most of history, the lack of observable stellar parallax was interpreted to mean that _________. Stars were too far away for parallax to be measured with av
the U.S. federal system of government is one in which?
help please (I would really appreciate it )
Which for the following statements would the author of the first claim use to refute the counterclaim
Why does an increase in temperature result in an increase in reaction rate? A) An increase in temperature raises the activation energy which
What does c equal when the equation is 19-4c=17