theresaensing theresaensing

24-04-2020
Mathematics

contestada

Find the sum of the arithmetic series 7+13+...+601.

Respuesta :

surjithayer10 surjithayer10

28-04-2020

Answer:

Step-by-step explanation:

d=13-7=6

Let number of terms=n

l=a+(n-1)d

601=7+(n-1)6

601=7+6n-6

601=6n+1

6n=601-1=600

n=600/6=100

[tex]s_{n}=\frac{n}{2} (a1+an)\\=\frac{100}{2}(7+601)\\=50 \times 608\\=30400[/tex]

Answer Link

Otras preguntas

An article that presents a person point of view has an

How do marine plants get energy?Explain in terms of how sunlight, water and carbon dioxide is absorbed for photosynthesis ( mention the location of stomata when

What was a result of the Opium Wars and the Taiping Rebellion? The Qing government was able to limit foreign influences. Europeans enjoyed a greater sphere of i

In the 1930’s, FDR expanded the federal government’s power through New Deal legislation. This changed the nature of American Federalism from _ to _

A taxi ride costs $3 plus $2.50 per mile. Write and graph an equation in two variables that represents the total cost of a taxi ride. Let m represent number of

The graph below shows the numbers of orders received by a company for five months.

Read the excerpt from "The Storyteller." "Were there any sheep in the park?” demanded Cyril. "No;” said the bachelor, "there were no sheep.” "Why weren’t there

Which expression is equivalent to 36 a minus 27?

Read the excerpt from "The Storyteller." "Were there any sheep in the park?” demanded Cyril. "No;” said the bachelor, "there were no sheep.” "Why weren’t there

Will give brainliest :,) Janel invested $7,000 at 3% interest, compounded semi-annually (two times a year). What would the value of the investment be after 8 ye