blahblagbdhdjf blahblagbdhdjf

28-09-2016
Mathematics

contestada

What is the sum of the first 30 terms in a(n)=4n+1

Respuesta :

01-10-2016

Hello,

[tex]\sum _{i=1} ^{30}(a_i)=\sum _{i=1} ^{30}(4*i+1)\\ =4*\sum _{i=1} ^{30}(i) +\sum _{i=1} ^{30}(1)\\ =4* \dfrac{31*30}{2} + 30 =1860+30=1890[/tex]

Answer Link

Otras preguntas

Read the poem. Song of the Open Road by Walt Whitman Afoot and light-hearted, I take to the open road, Healthy, free, the world before me, The long brown path b

When you multiply powers with the same base you ____ their exponents

Read the sentences. Because of the ice. The roads were a slippery hazard. Which is the best revision of the sentences? The roads were icy, slippery, and hazardo

There are four amendments to the Constitution about who can vote. Select the one that is incorrect A:A male citizen of any race can vote B:Any citizen can vote

ANYBODY?Fruits are taken successfully from a bag containing 6 avocados, 4 bananas and 5lemons. Find the probability they are drawn in order avocado, banana and

2. PART B: Which TWO phrases from the text best support the answers to Part A? O A "Crazy Horse had surrendered, but Sitting Bull and a small band of warriors

1) What does "them" refer to? Choose the phrase that completes the sentence. I-ready

NO LINKS! Giving brainliest. Help ! Geometry triangles.

Q4) One of the most astonishing applications of analytical mechanics is the study offly motion. In this example, we work on a mosquito that crawls in a spherica

identify the electron transport chain complex that does not pump protons across the inner mitochondrial membrane.