mariacarlos0527 mariacarlos0527

02-05-2021
Mathematics

contestada

7. Find S 14 for the arithmetic sequence. 101+98+95+92+..

Respuesta :

Аноним Аноним

02-05-2021

Step-by-step explanation:

[tex]S _{n} = \frac{n}{2} (2a + (n - 1)d) \\ S _{14} = \frac{14}{2} ((2 \times 101) + (14 - 1) \times -3) \\ =1,141[/tex]

Answer Link

Otras preguntas

Both Houses of Congress are part of the legislative branch. True False

When the sum of an unknown number z and twenty-two is divided by the same unknown number, the quotient is twelve. What is the unknown number?

Equations with the variable on both sides . solve 2+ 6x = 1-x

what is 12.72 divided by 3.6

What are the solutions to the equation y² + 16 = 212? Choose all answers that are correct. A. 98 B. –98 C. 14 D. –14

Make the following conversion. 0.080 mL = _____ L 800 L 80 L 0.00080 L 0.000080 L

According to the textbook, Americans developed their own __________ during the Era of Good Feeling because they developed their own literature and art, and they

What is the point of intersection of two sides of a polygon called?

during years 1870 to 1900 labor and management battled for control over wages and working conditions -1 governmental policy or practice contributing to this con

A car traveling 90km/hr is 100 m behind a truck traveling 50km/hr. How long will it take the car to reach the truck?