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

When formatting text, a careless color choice may elicit the incorrect psychological response. (Points : 2) a. True b. False

Does Anne Bradstreet’s poetry reflect Puritan thinking?

The Duma was _____. an elected legislature a town in the Crimea Russia's constitution a palace in St. Petersburg What happened in the July Revolution of 1830?

Which of the following is NOT touched by the Mediterranean Sea? A. Asia B. Africa C. Europe D. South America

explain how can you use base ten blocks to find 2.16 divided by 3

jack has 100 football cards that he wants to put in a photo album. Each page in the album will hold eight cards. How many pages in the album will have cards o

kyle paid $2,800 plus 7% tax. What is his total?

An astronaut has a mass of 76.0 kg. What is the astronaut's stationary weight at a position 8960 kilometers above Earth's surface? Note: Earth's radius is 6380

when did the dark ages begin

Six rectangles each with a common base width of 2 have lengths of 1,4,9,16,25 and 36. What is the sum of the areas of the six rectangles?