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

THE REACTION BETWEEN H2 AND O2 PRODUCES 13.6 G OF WATER. HOW MANY GRAMS OF O2 REACTED? AND HOW MANY SIGNIFICANT FIGURES ARE THERE?

please solve and explain the steps thanks!

Simplify (3V2 +V5)(V7-3V5r)

cual fue la actitud y las medidas adoptadas por las autoridades coloniales para encontrar el cimarronaje a la vuelta de los esclavos en Santo Domingo durante lo

Let's consider the equation |x+3|-|x-4| = x+4, solve the initial equation if x>4

let's have some fun zoom the image

How did the black consciousness influence the Soweto uprising in 1976

Mama tells Luis that they need a wagon to visit Abuelita, but what is the real reason?

Find the area of the triangle

Part 1) What is the current in a 8.17 Ω resistor connected to a battery that has a 0.11 Ω internal resistance when the potential drop across the terminals of th