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

Which particle has the least mass?(1) alpha (3) neutron (2) beta particle (4) proton

What were the motives behind European exploration in the 1400s? Explain

tina lost 3 pounds on the first week of her diet. she gained a pound on the second week, and then lost 2 pounds a week during every week afterwards . she HAS be

Subatomic particles can usually pass undeflected through an atom because the volume of an atom is composed of (1) an uncharged nucleus (2) largely empty space (

Given the balanced equation representing a reaction: 2CO(g) + O2(g)<==> 2CO2(g) What is the mole ratio of CO(g) to CO2(g) in this reaction? (1) 1:1 (3) 2:

Identify the property shown. 3p · (2 + k) = 6p + 3pk A. transitive B. associative C. commutative D. distributive

which points is not on the line 2x - y = 3

What is the half-life of sodium-25 if 1.00 gram of a 16.00-gram sample of sodium-25 remains unchanged after 237 seconds? (1) 47.4 s (3) 79.0 s (2) 59.3 s (4) 11

what os the difference between 179 and 320

#5- The ratio of the measurement of an angle to its supplement is : . Find the angle and its supplement