ovientabamarvel
ovientabamarvel ovientabamarvel
  • 03-05-2022
  • Mathematics
contestada

Find the sum of the first 20 term of the Series 5+8+11+14+....​

Respuesta :

XxAtomicxX
XxAtomicxX XxAtomicxX
  • 03-05-2022

Step-by-step explanation:

Sn=n/2(2a+(n-1)d). n=20

S20= 20/2 (2x5+(20-1)3 a=5

S20=10(10+57). d=8-5=3

S20=10x67

S20= 670

Hope this helps you

have a great day

Answer Link

Otras preguntas

In the mid-1800s, people who helped runaway enslaved people escape were called conductors. fugitives. helpers. railroad workers.
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. R
What is the ability to move body parts quickly with a significant amount of force ?
add together 1.5m 1250mm 125cm 1.230m
Mental health disorders disrupt everyday activities. Please select the best answer from the choices provided. T F
A professor's office door is 0.89 m wide, 2.0 m high, and 4.0 cm thick; has a mass of 25 kg ; and pivots on frictionless hinges. A "door closer" is attached to
choose a method then find the product 35×10
how would you draw a picture to find 3 ÷ 1/2
Which of the following statements describes a functional text? 1.It provides a first-person account of a personal experience. 2.The primary purpose is to provid
Find the average of the following salaries: $38,750.00, $42,500.00, $44,500.00