smriteetamang54 smriteetamang54

10-08-2021
Mathematics

contestada

what is the sum of 1+2+.....+50?

Respuesta :

Аноним Аноним

10-08-2021

Answer:

sum is 1275

Step-by-step explanation:

[tex]sum = \frac{n}{2} [2a + (n - 1)d] \\ \\ sum = \frac{50}{2} [(2 \times 1) + (50 - 1) \times 1] \\ \\ sum = 25(51) \\ sum = 1275[/tex]

Answer Link

Otras preguntas

The rank of bloodcells in a normal person and one with sickle-cell anemia is the same. how can you conclude that the person has sickle cell anemia

Explain briefly how rhetoric can affect your life in the business world.

How is the key of a song established

how is public opinion determined?

What number times what number equals 99 but has the sum of -34

2.57 rounded to a whole number

Jillian baked 2 batches of cupcakes in 1/4 of an hour. How long did it take her to bake one batch?

Which shows one way to determine the factors of x^3-9x^2+5x-45 by grouping

many immigrants to the united states in the late twentieth century came from

which statement best explains how life is changing in china A.) New agricultural techniques are making the lakes cleaner B.) People are moving away from cities