vitesanchezpatricia vitesanchezpatricia

01-09-2020
Mathematics

contestada

cuál es la suma de los primeros 30 términos de la sucesión 1,2,3,4

Respuesta :

mathstudent55 mathstudent55

01-09-2020

Answer:

465

Step-by-step explanation:

1 + 2 + 3 + ... + n = n(n + 1)/2

1 + 2 + 3 + ... + 30 = 30(31)/2 = 465

Answer Link

Otras preguntas

a bus travels 260 miles in 4 hours, what is the unit rate?

In a class, 12 out of 25 students are female. what percent of students are female?

Claire says the area of a square with a side length of 100 centimeters is greater than the area of a square with a side length of 1 meter. Is she correct? Expla

You are planning to use a ceramic tile design in your new bathroom. The tiles are blue-and-white equilateral triangles. You decide to arrange the blue tiles in

Christy works at a bakery. The bakery sells cakes, cupcakes, and pies. Hayley ordered the cake shown .

What is the result of americans' tradition of joining interest groups?

4x(10-12)-6[tex]4 \times (10 - 12) - 6[/tex]

Find an equation in standard form for the ellipse with the vertical major axis of length 16 and minor axis of length 4

The following table shows the data collected from four random samples of 50 students from a small middle school regarding their reading preferences Based on the

Which of these has a warming effect on earth ? A. More evaporation of water due to warmer temperature causes low, thick clouds to form. B. As snow and ice mel